Bingyang Chen, Tao Chen, Xingjie Zeng, Weishan Zhang, Qinghua Lu, Zhaoxiang Hou, Jiehan Zhou and Sumi Helal, “DFML: Dynamic Federated Meta-Learning for Rare Disease Prediction,” Accepted for publication in the IEEE/ACM Transactions on Computational Biology and Bioinformatics. Accepted January 2023.
Naser Motlogh, Huber Flores, Jiangtao Wang, Sasu Tarkuma, Sumi Helal and Petteri Nurmi, "Population Digital Health: Continuous Health Profiling at Scale," In Review, Communications of the ACM. Under review.
Mobile and Pervasive Computing
Muyan Yao, Dan Tao, Ruipeng Gao, Jiangtao Wang, Sumi Helal and Shiwen Mao, “PresSafe: Barometer-based On-screen Pressure Assisted Implicit Authentication for Smartphones,” IEEE Journal on the Internet of Things. Volume 10, Issue 1, pp285-302, January 2023, doi: 10.1109/JIOT.2022.3199657.
Y. Liu, Z. Yu, H. Cui, A. Helal, and B. Guo, “SafeCity: A Heterogeneous Mobile Crowd Sensing System for Urban Public Safety,” IEEE Journal on Internet of Things. Accepted for publication March 2023.
A. Khaled, A. Helal, W. Lindquist, “Atlas RIDE: Runtime-Interactive Development Environment to Program Smart Spaces using Smartphones,” In review. The 21st ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), to be held June 2023 in Helsinki, Finland.
2022
Digital Health
W. Lindquist, A. Helal, and A. Khaled “Health IoT: Requirements for a Healthy Ecosystem,” In proceedings of the 7th International Symposium on Smart and Sustainable Technologies (SpliTech 2022), June 5-8, 2022, Split, Croatia.
Javier Rojo, Lara Guedes de Pinho, César Fonseca, Manuel José Lopes, Sumi Helal, Juan Hernandez, Juan M. Murillo, Jose Garcia-Alonso, “Analyzing the Performance of Feature Selection on Regression Problems: A Case Study on Aging Adults’ Functional Profile,” Accepted for publication in the IEEE Transactions on Emerging Topics in Computing. Accepted May 2022.
Javier Rojo, Jose Garcia-Alonso, Juan Hernandez, Sumi Helal, and Juan M. Murillo Rodriguez, “Personal Health Trajectory Traceability using Blockchain Technology,” In review in the IEEE Global Communications Conference (GlobeCom) - Selected Areas in Communications - E-Health, to be held 4-8 December, 2022 in Rio de Janeiro, Brazil.
J. Rojo, J. García-Alonso, Juan M. Murilloand , S. Helal, "Improving the Assessment of Older Adults using Feature Selection and Machine Learning Models," under review in the International Society for Gerontechnology symposium. Daego, Korea, October 2022.
S. Keohane, C. Swarbrick, A. Helal, “Barriers and Facilitators to Technology Among Older Adults during COVID-19 Pandemic: A Systematic Review using Thematic Analysis,” Accepted for publication in the 24th International Conference on Human-Computer Interaction to be held June 26, 2022.
Javier Rojo, Juan Hernandez, Juan Manuel Murillo Rodríguez, Sumi Helal and Jose García-Alonso, “Feature Selection-based Decision Support System for web and WoT datasets,” In review in the The 20th International Conference on Service-Oriented Computing, to be held
November 29th – December 2nd, 2022. Sevilla, Spain.
Rojo, J., Hernández, J., Helal, S., Murillo, J.M., García-Alonso, J. (2022). Blockchain-Supported Health Registry: The Claim for a Personal Health Trajectory Traceability and How It Can Be Achieved. In: García-Alonso, J., Fonseca, C. (eds) Gerontechnology IV. IWoG 2021. Lecture Notes in Bioengineering. Springer, Cham. https://doi.org/10.1007/978-3-030-97524-1_3
Mobile and Pervasive Computing
C. Chen, A. Helal, Jin, Z, M. Zhang and C. LEE, “IoTranx: Transactions for Safer Smart Spaces,” ACM Transactions on Cyber-Physical Systems. Volume 6, Issue 1, January 2022, Article No.:1 pp 1–26, https://doi.org/10.1145/3471937
S. Ren, C. Lee, E. Kim, and S. Helal (2022) Flexico: An efficient dual-mode consensus protocol for blockchain networks. PLoS ONE 17(11): e0277092. November 2022, https://doi.org/10.1371/journal.pone.0277092
Z. Latif, C. Lee, K. Sharif, and A. Helal, “SDBlockEdge: SDN-Blockchain Enabled Multihop Task Offloading in Collaborative Edge Computing,” in IEEE Sensors Journal, 2022, doi: 10.1109/JSEN.2022.3184689.
W. Lindquist, A. Helal and A. Khaled, "Health-IoT: Requirements for a Healthy Ecosystem," in Proceedings of the 7th International Symposium on Smart and Sustainable Technologies (SpliTech 2022), July 5-8, 2022, Split, Croatia
A. Khaled, W. Lindquist, and A. Helal, “Towards a Programmable Internet of Things,” Submitted for review in the 43rd International Conference on Distributed Computing Systems (ICDCS), to be held July 2022 in Bologna, Italy. Submitted Jan 2022
JW Lee and A. Helal, “Modeling and Reasoning of Contexts in Smart Spaces Based on Stochastic Analysis of Sensor Data,” Applied Sciences. 2022; 12(5):2452. https://doi.org/10.3390/app12052452.
2021
Digital Health
Han Wu, Wenjie Ruan, Jiangtao Wang, Dingchang Zheng, Bei Liu, Yayuan Gen, Xiangfei Chai, Jian Chen, Kunwei Li, Shaolin Li, and Sumi Helal, “Interpretable Machine Learning for COVID-19: An Empirical Study on Severity Prediction Task,” the IEEE Transactions on Artificial Intelligence. doi: 10.1109/TAI.2021.3092698. June 2021.
D. Chen, J. Wang, W. Ruan, Q. Ni, and A. Helal, “Enabling Cost-Effective Population Health Monitoring by Exploiting Spatiotemporal Correlation: An Empirical Study,” the ACM Transactions on Computing for Healthcare, January 2021 Article No.: 11 https://doi.org/10.1145. pp 1-19
S. Helal, F. Delicato, C. Margi, A. Misra, and M. Endler, “Challenges and Opportunities for Data Science and Machine Learning in IoT Systems: A Timely Debate - Part I,” IEEE Internet of Things Magazine. March 2021. DOI: 10.1109/IOTM.0001.2000002
S. Helal, F. Delicato, C. Margi, A. Misra, and M. Endler, “Challenges and Opportunities for Data Science and Machine Learning in IoT Systems: A Timely Debate - Part II,” IEEE Internet of Things Magazine. March 2021. DOI: 10.1109/IOTM.0002.2000002
Yujie Feng, Jiangtao Wang, Yasha Wang and Sumi Helal, “Completing Missing Prevalence Rates for Multiple Chronic Diseases by Jointly Leveraging Both Intra- and Inter-Disease Population Health Data Correlations,” In Proceedings of The Web Conference (previously known as the WWW Conference), Ljubljana, Slovenia, April 19-23, 2021.
Mobile and Pervasive Computing
Yunfan Hu, Jiangtao Wang, Bo Wu, and Sumi Helal, “RL-Recruiter+: Mobility-Predictability-Aware Participant Selection Learning for From-Scratch Mobile Crowdsensing,” in IEEE Transactions on Mobile Computing, May 2021, doi: 10.1109/TMC.2021.3077636.
D. Shi, J. Wang, M. Yao, Z. Wang, H. Chen, S. Helal, “Fine-Grained and Context-Aware Behavioral Biometrics for Pattern Lock on Smartphones,” the ACM Journal on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 5, Issue 1, March 2021 Article No.: 33pp 1–30https://doi.org/10.1145/3448080
Carl Chang, Paolo Ceravolo, Rong Chang, Sumi Helal, Zhi Jin, Xuanzhe Liu, and Hua Ming, "Software Services Engineering Manifesto - A Cross-Cutting Declaration," IEEE International Conference on Web Services (ICWS), 2021, pp. 703-709
2020
Digital Health
M. Honary, V. Martinez, T. Walzlowski, S. Helal, H. von Oretzen, and A. Honary, “Getting the country back to work, safely: A digital solution to cope with COVID-19 in the Workplace,” the ACM Digital Government: Research and Practice. Volume 1, Issue 4. December 2020, Article No.: 29, pp 1–5. https://doi.org/10.1145/3416090.
W. Hutchinson, A. Helal, and C. Bull, “GP Benchmark: Engineering a Crowd-Sourcing Platform for Real-Time Understanding of Personality and Cognitive Biases in Clinical Error,” In Proceedings of the First International Workshop on Requirements Engineering for Well-Being, Aging, and Health (REWBAH), August 31, 2020, Zurich, Switzerland.
A. Helal, A. Smith, A. Ascroft, and C. Bull, “Towards a Viability Assessment of Smart-Ready and Life-Long Homes for Ambient Assisted Living,” Proceedings of the ISG’s 12th World Congress on Gerontechnology, October 2020, Trondheim, Norway
JW Lee and A. Helal, “Modeling and Reasoning of Contexts in Smart Spaces,” Proceedings of the 16th Workshop on Context and Activity Modeling and Recognition (CoMoRea). In conjunction with the 2020 IEEE International Conference on Pervasive Computing and Communications, Austin, Texas, March 2020.
M. Honary, J. Lee, C. Bull, J. Wang, and A. Helal, “What Happens in Peer-Support, Stays in Peer-Support: Software Architecture for Peer-Sourcing in Mental Health,” In Proceedings of the IEEE International Conference on Computers, Software and Applications (COMPSAC), Madrid, Spain, July 2020.
Sumi Helal, “Introduction to the Special Issue of IEEE Computer on Digital health: E-Coaching and Remote Monitoring,” IEEE Computer, February 2020.
Mobile and Pervasive Computing
Sumi Helal, “The Monkey, the Ant and the Elephant: Addressing Safety in Smart Spaces,” The Cyber-Physical Systems column, IEEE Computer, Volume 53, Issue 5, May 2020.
M. Hanif, C. Lee, and S. Helal, “Predictive Topology Refinements in Distributed Stream Processing System,” PLoS ONE, vol.15, no.11, November 5, 2020, DOI: 10.1371/journal.pone.0240424
K. Alexander, M. Hanif, C. Lee, E. Kim, and A. Helal, “Cost-Aware Orchestration of Applications over Heterogeneous Clouds,” PLoS ONE 15(2): e0228086. https://doi.org/10.1371/journal. pone.0228086. February 2020
W. Lindquist, A. Khaled, and A. Helal, “IoT-DDL: Device Description Language for a Programmable IoT,” In proceedings of the 5th International Symposium on Smart and Sustainable Technologies (SpliTech 2020), Sept 23, 2020, Split, Croatia.
Y. Hu, J. Wang, B. Wu and A. Helal, “Participants Selection for From-Scratch Mobile Crowdsensing via Reinforcement Learning,” Proceedings of the 2020 IEEE International Conference on Pervasive Computing and Communications (Percom), Austin, Texas, March 2020.
2019
Digital Health
E. Wilson, A. Helal, C. Bull and M. Honary, “Persuasive Health: Back to the Future,” In Proceedings of 13 EAI International Conference on Pervasive Computing Technologies for Healthcare (Pervasive Health), Trento, Italy, May 2019.
JW Lee and A. Helal, “Context Awareness Computing in Smart Spaces Using Stochastic Analysis of Sensor Data,” In Proceedings of the International Conference on Intelligent Human Systems Integration, San Diego, CA, February 2019.
A. Helal and C. Bull, “From Smart Homes to Smart-ready Homes and Communities,” special issue on Technology and Dementia, in the Dementia and Geriatric Cognitive Disorders journal, Karger, Volume 47, pp157-163, DOI: 10.1159/000497803, June 2019.
Sumi Helal and Ramesh Jain, “Introduction to the Special Issue of IEEE Computer on Digital Health: Active and Healthy Living,” IEEE Computer, November 2019
Mobile and Pervasive Computing
W. Lindquist, A. Helal, A. Khaled, “MAAT: Mobile Apps As Things in the IoT,” ACM Ubicomp 2020 Conference, Sept 12-16, Cancun, Mexico, and pre-published in the Proceedings of the ACM Journal on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Vol. 3, No. 4, Article 143, December 2019.
A. Helal, A. Khaled, and W. Lindquist, “The Importance of Being Thing, Or the Trivial Role of Powering Serious IoT Scenarios,” In Proceedings of the 39th IEEE International Conference on Distributed Computing Systems (ICDCS), Dallas, Texas, July 7-10,2019.
W. Lindquist, S. Helal, A. Khaled and W. Hutchinson, "IoTility: Architectural Requirements for Enabling Health IoT Ecosystems," in IEEE Transactions on Emerging Topics in Computing, doi: 10.1109/TETC.2019.2957241. December 2019.
Lagerspetz, E., Hamberg, J., Li, X., Flores, H., Nurmi, P., Davies, N., & Helal, S. (2019). Pervasive data science on the edge. IEEE Pervasive Computing, 18(3), 40-49.
X. Liu, W. Zhang, J. Zhou, C. Jia and A. Helal, “A Multi-Location Defense Scheme Against SSDP Reflection Attacks in the Internet of Things,” In Proceedings of the International Conference on Cyberspace Data and Intelligence (CyberDI), Beijing, China, Dec 2019.
Y. Xu, A. Helal, C. Lee, and A. Khaled, “Energy Savings in Very Large Cloud-IoT Systems,” the Open Journal of Internet of Things (OJIOT), ISSN 2364-7108. Presented as the Keynote of the Very Large Internet of Things (VL-IoT) Workshop, in conjunction with the VLDB conference held August 2019 in Los Angeles, California.
E. Kim, C. Lee and A. Helal, “SLA-Based Adaptation Schemes in Distributed Stream Processing Engines," Journal of Applied Sciences, March 2019, 9, 1045; doi:10.3390/ app9061045.
D. Kim, A. Muhammad, E. Kim, A. Helal and C. Lee, “TOSCA-Based and Federation-Aware Cloud Orchestration for Kubernetes Container Platform,” MDPI Applied Science, 9, 191; doi:10.3390/app9010191, January 2019.
2018
Digital Health
Sumi Helal, “The Expanding Frontier of Artificial Intelligence,” IEEE Computer, 51 (9), 14-17, September 2018.
D. Lee, A. Helal and E. Jung, “Persuasion-enabled Telehealth System,” Journal of Intelligent and Fuzzy Systems, IOS Press. vol. 35, no. 6, pp. 6133-6140, December August 2018.
Mobile and Pervasive Computing
A. Khaled, W. Lindquist, and A. Helal, “Demo Abstract: DIY Health IoT Apps,” In Proceedings of the 18th ACM Sensor Systems Conference (SenSys), Shenzen, China, November 4-7, 2018.
A. Khaled, Y. Lindquist, and A. Helal, “Service-Relationship Programming Framework for the Social IoT,” the Open Journal of Internet of Things (OJIOT), ISSN ISSN 2364-7108. Presented in the Very Large Internet of Things (VL-IoT) Workshop, in conjunction with the VLDB conference held August 2018 in Rio de Janeiro, Brazil.
A. Khaled, A. Helal, W. Lindquist and C. Lee “IoT-DDL—Device Description Language for the “T” in IoT,” IEEE Access, Vol 6, Issue 1, PP(24048-24063), December 2018. DOI: 10.1109/ACCESS.2018.2825295
X. Zhang, C. Lee, and A. Helal, “iPOJO Flow: A Declarative Service Workflow Architecture for Ubiquitous Cloud Applications,” Journal of Ambient Intelligence and Humanized Computing (AIHC), April 2018, DOI: 10.1007/s12652-018-0792-5.
X. Liu, X. Zhang, Y. Wang, J. Zhou, A. Helal, Z. Xu, W. Zhang, and A. Cao, “PARMTRD: Parallel Association Rules Based Multiple-Topic Relationships Detection,” In Proceedings of the International Conference on Web Services, Seattle, USA. June 2018.
A. Khaled and A. Helal, “A Framework for Inter-Thing Relationships for Programming the Social IoT,” In Proceedings of the IEEE World Forum on IoT, Singapore, February 2018.
Sumi Helal, “2018 Outlook: The Emerging Web and Information Sciences,” EIC Message, IEEE Computer 51 (1), 14-16, January 2018
2017
Digital Health
S. Liu, A. Helal and JW Lee, “High Fidelity Simulation and Visualization of Activities of Daily Living,” Proceedings of the 15th International Conference on Smart Homes and Health Telematics (ICOST), Paris, France, Aug 2017.
Mobile and Pervasive Computing
J. Wang, Y. Wang, A. Helal and D. Zhang, “Energy Saving Techniques in Mobile Crowd Sensing: Current State and Future Opportunities,” IEEE Communications Magazine. Volume 56, No 5, PP164-169, May 2017. DOI: 10.1109/MCOM.2018.1700644
C. Lee, C. Wang, E. Kim, and A. Helal, “Blueprint Flow: A Declarative Service Composition Framework for Cloud Applications,” IEEE Access 09/2017; PP(99):1-1. 0.1109/ACCESS.2017.2748622
A. Balasubramanian, A. Helal and Y. Xu, “Latency Optimization in Cloud-Sensor Systems,” the Open Journal of Internet of Things (OJIOT), 3(1), Pages 18-30, 2017. ISSN 2364-7108. Presented in the Very Large Internet of Things (VL-IoT) Workshop, in conjunction with the VLDB conference to be held August 2017 in Munich, Germany.
K. Alexander, C. Lee, E. Kim, and S. Helal, “Enabling End-to-End Orchestration of Multi-Cloud Applications,” IEEE Access, August 2017, DOI: 10.1109/ACCESS.2017.2738658.
A. Khaled and A. Helal, “Interoperable Communication Framework for Bridging RESTful and Topic-based Communication in IoT,” Elsevier Journal on Future Generation Computer Systems (2018), https://doi.org/10.1016/j.future.2017.12.042.
A. Helal, A. Khaled, and V. Gutta, “Demo: Atlas Thing Architecture – Enabling Mobile Apps as Things in the IoT,” Proceedings of the 23rd Annual International Conference on Mobile Computing and Networking (MobiCom), Snowbird, Utah, USA, Oct 2017.
Xin Liu, Feng Wang, Sumi Helal, Zhongwei Li, Pingjun Zou and Yiwen Wang, “Topic detection Based on Similar Networks,” Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics (SMC), Banff, Canada, October 2017.
2016
Mobile and Pervasive Computing
Y. Xu and A. Helal, "Scalable Cloud–Sensor Architecture for the Internet of Things," in IEEE Internet of Things Journal, vol. 3, no. 3, pp. 285-298, June 2016, doi: 10.1109/JIOT.2015.2455555.
S. Liu, JW. Lee, and A. Helal, “High Fidelity Simulation and Visualization of Activities of Daily Living in Persim 3D,” Submitted to the IEEE International Conference on Pervasive Computing. October 2016.
J. Wang, Y. Wang, D. Zhang, H. Xiong, L. Wang, A. Helal, Y. He, and, F. Wang “Fine-Grained Multi-Task Allocation for Participatory Sensing with a Shared Budget,” Accepted for publications in the IEEE Internet of Things Journal. Accepted September 2016
M. Abdul Alim, N. Nguyen, M. Thai, and A. Helal, “Structural Vulnerability Assessment of Community-Based Routing in Opportunistic Networks,” Accepted for publication in the IEEE Transactions on Mobile Computing. Accepted January 2016
W. Lee, S. Cho, P. Chu, H. Vu, S. Helal, W. Song, Y. Jeong, and K. Cho, “Automatic agent generation for IoT-based smart house simulator,” (June 2016), Neurocomputing, Elsevier Publishing, http: //dx.doi.org/10.1016/j.neucom.2015.04.130i
C. Lee, H. Lee, E. Kim, and A. Helal, “VM Capacity-Aware Scheduling within Budget Constraints in IaaS Clouds,” Accepted for publication in PLOS One. 11(8), August 2016.
A. D’Aloia, M. Lelli, D. Lee, A. Helal, and P. Bellavista, “Cicero: Middleware for Developing Persuasive Mobile Applications,” in Proceedings of the 11th International Conference on Persuasive Technologies, Salzburg, Austria, April 2016.
Jiangtao Wang, Sumi Helal, Yasha Wang and Daqing Zhang, "A Context-Driven Worker Selection Framework for Crowd-Sensing," International Journal of Distributed Sensor Networks, vol. 2016, Article ID 6958710, 16 pages, 2016. doi:10.1155/2016/6958710.
JW Lee and A. Helal, “Inferring Contexts From Human Activities in Smart Spaces,” in Proceedings of the 29th International FLAIRS Conference on artificial Intelligence, Key Largo, Florida, May 2016.
2015
Mobile and Pervasive Computing
D. Lee, A. Helal Y. Sung and S. Anton, “Situation-based Assess Tree for User Behavior Assessment in Persuasive Telehealth,” IEEE Transactions on Human-Machine Systems. Volume 45, Issue 5, November 2015.
J. W. Lee, S. Cho, S. Liu, K. Cho, and S. Helal, “Persim 3D: Context-driven Simulation and Modeling of Human Activities in Smart Spaces,” IEEE Transactions on Automation Science and Engineering. Vol. 12, Issue 4, 2015.
E. Kim, A. Helal, C. Nugent, and M. Beattie, “Analyzing Activity Recognition Uncertainties in Smart Home Environments,” ACM Transactions on Intelligent Systems and Technology, Vol. 6, No. 4, July 2015.
C. Bodine, A. Helal, G. Tao, M. Mokhtari, “Smart Homes and Health Telematics,” Lecture Notes in Computer Science (LNCS 8456), Springer, 2015, ISBN 978-3-319-14423-8.
J. Wang, A. Helal, Y. Wang, and D. Zhang, “WSelector: A Novel Worker Selection Framework for Crowd-Sensing,” In Proceedings of the 12th International Conference on Ubiquitous Intelligence and Computing (UIC), Beijing, China, August 2015.
D. Kim, C. Lee and A. Helal, “Enabling Elastic Services for OSGi-Based Cloud Platforms,” In Proceedings of the seventh International Conference on Ubiquitous and Future Networks (ICUFN 2015), Sapporo, Japan, July 2015.
S. Liu, A. Helal and JW Lee, “Activity Playback Modeling for Smart Home Simulation,” In Proceedings of the 13th International Conference on Smart Homes and Health Telematics (ICOST), Geneva, Switzerland, June 2015.
A. Helal and Y. Xu, “Scalable and Energy-Efficient Cloud-Sensor Architecture for Cyber Physical Systems,” NSF Workshop on Big Data Analytics in CPS: Enabling the Move from IoT to Real-Time Control, Seattle, Washington, April 2015.
2014
Mobile and Pervasive Computing
M. Thai, R. Bose, R. Tiwari and A. Helal, "On Detection and Tracking of Variant Phenomena Clouds," ACM Transactions on Sensor Networks (ToSN), Vol. 10, Issue 2, Jan 2014.
E. Kim and A. Helal, “Training-Free Fuzzy Logic Based Human Activity Recognition”, Journal of Information Processing Systems, Vol.10, No.3, pp.335~354, September 2014 .
Y. Xu and A. Helal, “An Optimization Framework for Cloud-Sensor Systems,” in Proceedings of the 6th IEEE International Conference on Cloud Computing, December 2014, Singapore.
P. Raj and A. Helal, “Palantir: Crowdsourced Newsification using Twitter,” In Proceedings of the 11th International Conference on Ubiquitous Intelligence and Computing (UIC), Bali, Indonesia, December 2014.
Y. Xu and A. Helal, “Application Caching for Cloud-Sensor Systems,” in Proceedings of the 17th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM’14), Montreal, Canada, September 2014.
V. Thanasias, C. Lee and S. Helal, “Budget-Aware Workflow Scheduling in the Cloud,” In Proceedings of the Sixth International Conference on Ubiquitous and Future Networks (ICUFN’14), July 8-11, 2014, Shanghai, China.
E. Cho, J. Choi and A. Helal, “A Formal Modeling on Exceptions for Context Aware Systems,” in Proceedings of the 3rd IEEE International Workshop on Modeling and Verifying Distributed Applications (MVDA). In conjunction with COMPSAC 2014, Vasteras, Sweden, July 2014.
JW. Lee, A. Helal, Y. Sung and K. Cho, “Context Activity Selection and Scheduling in Context-driven Simulation,” in Proceedings of the Symposium On Theory of Modeling and Simulation (TMS'14), April 13-16, 2014, Tampa, FL, USA
2013
Mobile and Pervasive Computing
A. Helal, “Metcalf’s Law Survives the Test of Time,” a sidebar in “Metcalfe's Law after 40 Years of Ethernet,” by Bob Metcalf, IEEE Computer, Dec. 2013 (vol. 46 no. 12)
E. Cho, J. Choi and A. Helal, “Dynamic Parameter Filling for Semantic Exceptions in Context-Aware Systems,” in Proceedings of the 10th International Conference on Ubiquitous Intelligence and Computing (UIC), Sorrento, Italy, December 2013.
JW. Lee, A. Helal and Y. Sung, “Algorithms for Scalable Context-driven Simulation for Human Activities,” in Proceedings of the 10th International Conference on Ubiquitous Intelligence and Computing (UIC), Sorrento, Italy, December 2013.
E. Kim, A. Helal, C. Nugent, and M. Beattie, “Uncertainty Analysis in Activity Recognition Systems,” submitted to the ACM Transactions on Interactive Intelligent Systems. November 2012.
A. Helal, R. Chandra, R. Kravets (editors), Proceedings of the ACM 19th Annual International Conference on Mobile Computing & Networking, MobiCom’13, September 30–October 4, 2013, Miami, FL, USA. ACM 2013, 978-1-4503-1999-7.
P. Savolainen, A. Helal, J. Reitmaa, K. Kuikkaniemi, G. Jacucci, M. Rinne, M. Turpeinen, and S. Tarkoma “Spaceify - a Client-Edge-Server Ecosystem for Mobile Computing in Smart Spaces,” Poster in the 19th ACM International Conference on Mobile Computing and Networking (MobiCom’13), Sept 30-Oct 4, 2013, Miami, FL, USA.
C. Lee, V. Thanasias, E. Kim, and A. Helal, “A Context-Aware Service Discovery Framework based on UPnP and CC/PP,” Proc. Of the 6th International Conference on Information, Tokyo, Japan, May 8-11, 2013.
Y. Sung, A. Helal, JW Lee and K. Cho, “Bayesian-based Scenario Generation Method for Human Activities,” Proceedings of the ACM SIGSIM Conference on Principles of Advanced Discrete Simulation (PADS), May 2013, Montreal, Canada.
JW Lee, A. Helal, Y Sung and K. Cho, “A Context-driven Approach to Scalable Human Activity Simulation,” Proceedings of the ACM SIGSIM Conference on Principles of Advanced Discrete Simulation (PADS), May 2013, Montreal, Canada.
E. Kim and A. Helal, “Fuzzy Logic based Activity Life Cycle Tracking and Recognition,” Proceedings of the 11th International Conference on Smart Homes and Health Telematics (ICOST), Singapore, June 2013.
D. Lee, A. Helal and Y. Sung, “Persuasion Assessment in 3G Telehealth Systems,” Proceedings of the 11th International Conference on Smart Homes and Health Telematics (ICOST), Singapore, June 2013.
D. Lee and A. Helal, “From Activity Recognition to Situation Recognition,” Proceedings of the 11th International Conference on Smart Homes and Health Telematics (ICOST), Singapore, June 2013.
2012
Mobile and Pervasive Computing
A. Helal, R. Bose and W. Li, “Mobile Platforms and Development Environments,” Morgan & Claypool Publishing Company. ISBN: 9781608458660 paperback, 9781608458677 ebook, Copyrights February 2012.
C. Lee, A. Helal, E. Kim, and W. Lee, “Exploiting Whole-Network Mobility for Mobile Service Discovery,” Information – An International Interdisciplinary Journal, Vol.15, No.11(B), pp.5197-5216, November 2012.
E. Kim and A. Helal, “Knowlwdge-Assisted Activity Modeling and Recognition,” International Journal of E-Health and Medical Communications (IJEHMC), vol. 3, no. 3, pp. 54-71.
D. Nguyen, N. Nguyen, M. Thai, and A. Helal, “Optimial and Distributed Coverage Hole Healing in Hybrid Sensor Networks,” International Journal of Sensor Networks (IJSNet), 2012 Vol.11, No.4, pp. 228 – 240.
S. Cadavid, M. Abdel-Mottaleb and A. Helal, “Exploiting Visual Quasi-Periodicity for Real-time Chewing Event Detection using Active Appearance Models and Support Vector Machines,” Personal and Ubiquitous Computing Journal, Springer Publishing, August 2012, Volume 16, Issue 6, pp 729-739.
C. Chen and A. Helal, “System-wide Support for Safety in Pervasive Spaces,” Journal of Ambient Intelligence and Humanized Computing (AIHC), Springer Berlin / Heidelberg, vol. 3, no. 2, pp113-123, June 2012
E. Cho and A. Helal, “Expressive Exceptions for Safe Pervasive Spaces,” Journal of Information Processing Systems (JIPS), vol. 8, no. 2, pp. 279~300, 2012.
A. Helal, C. Chen, R. Bose, E. Kim and C. Lee “Towards an Ecosystem for Developing and Programming Assistive Environments,” Proceedings of the IEEE, Vol. 100, No. 8, pp. 2489 – 2504, August 2012.
D. Lee and A. Helal, S. Anton, S. De Deugd, and A. Smith, "Participatory and Persuasive Tele-Health,” The International Journal of Experimental, Clinical, Behavioral, Regenerative and Technological Gerontology. Gerontology, vol. 58, no. 3, April 2012, pp. 269-281 (online: DOI: 10.1159/000329892), Karger AG, Bassel, Swistzerland.
A. Helal, K. Cho, W. Lee, Y. Sung, JW Lee, and E. Kim, “3D Modeling and Simulation of Human Activities in Smart Spaces,” in Proceedings of the 9th International Conference on Ubiquitous Intelligence and Computing (UIC), Fukuoka, Japan, September 2012.
E. Cho and A. Helal, “Toward Efficient Semantic Exceptions in Context-Aware Systems,” in Proceedings of the IEEE Conference on Computers, Software and Applications (COMPSAC), Izmir, Turkey, July 2012.
E. Cho and A. Helal, “Towards Efficient Detection of Semantic Exceptions in Context Aware Systems,” Proceedings of the WEISS Workshop in conjunction with the 9th International Conference on Ubiquitous Intelligence and Computing (UIC), Fukuoka, Japan, September 2012
C. Chen. A. Helal, S. de Deugd and A. Smith, "Roles and System Architecture in the Design, Creation and Management of Smart Spaces," Third International Workshop on Software Engineering for Sensor Network Applications, in conjunction with ACM/IEEE Intl. Conference on Software Engineering (ICSE) June 2-9, 2012, Zurich, Switzerland.
2011
Mobile and Pervasive Computing
A. Helal, “IT Footprinting – Groundwork for Future Smart Cities,” Guest Editor Introduction to the Smart City Special Issue of IEEE Computer, June 2011.
A. Helal, Foreward to the book: “Next Generation Intelligent Environments: Ambient Adaptive Systems,” by Tobias Heinroth and Wolfgang Minker, Springer 2011.
D. Jo, A. Helal, E. Kim W. Lee and C. Lee, “Adaptive Push-Pull Protocols for P2P Based Video Streaming,” Transactions of the Institute of Electronics, Information and Communication Engineers (IEICE), Japan, Vol. 94-B, No. 10, pp. 2759-2762, October 2011
A. Helal, R. Bose, C. Chen, A. Smith, S. de Deugd and D. Cook, "STEPSTONE: A SODA Case Study in Personal Tele-Health Management," the Journal of Computing Science and Engineering (JCSE), Vol. 5, No. 3, September 2011, pp 269-281.
A. Helal, JW Lee, S. Hossain, EJ Kim, H. Hagras, D. Cook "Persim- Simulator for Human Activities in Pervasive Spaces," In Proceedings of the 7th International Conference on Intelligent Environments, Nottingham, UK, July 2011
Y. Xu, A. Helal, M. Thai and M. Schmalz, “Optimizing Push/Pull Envelopes for Energy-Efficient Cloud-Sensor Systems,” In Proceedings of the 14th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM), Miami, Florida, December 2011.
E. Kim, A. Helal, C. Nugent, and JW Lee, “Assurance-Oriented Activity Recognition,” In Proceedings of the International Workshop on Situation, Activity and Goal Awareness (SAGAware), in conjunction with ACM Ubicomp Conference, September 2011, Beijing, China.
C. Chen and A. Helal, “A Device-Centric Approach to a Safer Internet of Things,” In Proceedings of the International Workshop on Networking and Object Memories for the Internet of Things (NOMe-IoT), in conjunction with ACM Ubicomp Conference, September 2011, Beijing, China.
E. Kim and A. Helal, “Modeling Human Activity Semantics for Improved Recognition Performance,” In Proceedings of the 8th International Conference on Ubiquitous Intelligence and Computing, Banff, Canada, September 2011.
E. Cho and A. Helal, “A Situation-based Exception Detection Mechanism for Safety in Pervasive Systems,” In Proceedings of the IEEE/IPSJ 11th Annual International Symposium on Applications and the Internet (SAINT), July 2011, Munich, Germany.
E. Kim and A. Helal, “Practical and Robust Activity Modeling and Recognition,” In Proceedings of the 8th International Conference on Wearable Micro and Nano Technologies for Personalized Health, Lyon, France June 2011.
D. Nguyen, N. Nguyen, M. Thai, and A. Helal, “On Optimal Algorithm for Coverage Hole Healing in Hybrid Sensor Networks,” In Proceedings of the 7th IEEE International Conference on Wireless Communication and Mobile Computing, Istanbul, July 2011.
2010
Mobile and Pervasive Computing
A. Helal, "The Landscape of Pervasive Computing Standards," A Synthesis Book, Morgan & Claypool Publishing Company, June 2010 ISBN 1598299263.
H. Yang, C. Chen, A. Bessam, A. Helal, “A Framework for Evaluating Pervasive Systems,” International Journal of Pervasive Computing and Communications (IJPCC), Vol 6, issue 4 (2010), November 2010.
A. Helal, E. Kim, and S. Hossain, "Scalable Approaches to Activity Recognition Research," In proceedings of the Workshop titled "How to do good activity recognition research? Experimental methodologies, evaluation metrics, and reproducibility issues," In conjunction with Pervasive 2010, May 17-20, Helsinki, Finland.
S. Hossain, A. Helal, JW Lee and H. Hagras, "PerSim: A Simulator of Human Activities in Pervasive Spaces," Pervasive 2010 Poster Program, May 17-20, Helsinki, Finland.
P. Angin, B. Bhargava and A. Helal, "A Mobile-Cloud Collaborative Traffic Lights Detector for Blind Navigation," In proceedings of the First International Workshop on Mobile Cloud Computing (MCC) in conjunction with the 11th International Conference on Mobile Data Management (MDM 2010) May 2010, Kansas City, Missouri
C. Chen, Y. Xu, K. Li and A. Helal, "Reactive Programming Optimizations in Pervasive Computing," In proceedings of the 10th Annual International Symposium on Applications and the Internet (SAINT), July 19-23, Seoul, Korea. BEST PAPER AWARD.
R. Bose and A. Helal, "Sensor-aware Adaptive Push-Pull Query Processing in Wireless Sensor Networks," In proceedings of the 6th International Conference on Intelligent Environments (IE2010), July 19-21, Kuala Lumpur, Malaysia.
A. Elfaham, H. Hagras, A. Helal, S. Hossain, JW Lee and D. Cook, "A Fuzzy Based Verification Agent for the PerSim Human Activity Simulator in Ambient Intelligent Environments," In proceedings of the IEEE World Congress on Computational Intelligence, July 18-23, 2010, Barcelona, Spain.
D. Lee, A. Helal and B. Johnson, "Persuasive Telehealth," In proceedings of the 8th International Conference on Smart Homes and Health Telematics (ICOST), Seoul, S. Korea, June 22-24, 2010.
E. Kim and A. Helal, “The Making of a Dataset for Smart Spaces,” In proceedings of the 7th International Conference on Ubiquitous Intelligence and Computing, Xi’an, China, October 26-29, 2010.
C. Chen and A. Helal, “Toward a Programming Model for Safer Pervasive Spaces,” In proceedings of the 7th International Conference on Ubiquitous Intelligence and Computing, Xi’an, China, October 26-29, 2010.
E. Kim and A. Helal, “Revisiting Human Activity Frameworks.” In proceedings of the 2nd International ICST Conference on Sensor Systems and Software (S-Cube), Miami, Florida, Dec 13, 2010.
R. Tiwari, M. Thai and A. Helal, “Localized Energy Efficient Detection and Tracking of Dynamic Phenomena,” In proceedings of the IEEE Global Communications Conference (GlobComm), Dec 6-8, 2010, Miami, Florida.
2009
Mobile and Pervasive Computing
A. Helal, M. Mokhtari and B. Abdulrazak, “The Engineering Handbook on Smart Technology for Aging, Disability and Independence,” John Wiley & Sons. ISBN 978-0-471-71155-1, Computer Engineering Series, 2009.
A. Helal, H. Gellerson and S. Consolvo (editors), Proceedings of the ACM 11th Annual International Conference on Ubiquitous Computing, Ubicomp’09, September 30-August 3, 2009, Orlando, Florida, USA. ACM 2009, 978-1-60558-431-7.
Lim, L. Chung, A. Helal, and H. Yang, "Framework Design of Pervasive Computing System for Inter Space Interactions between Private and Public Smart Spaces,” International Journal of Fuzzy Logic and Intelligent Systems, vol. 9, no. 3, September 2009, pp. 198-205.
A. Helal, D. Cook, M. Schmalz, “Smart Home-based Health Platform for Behavioral Monitoring and Alteration of Diabetes Patients,” Journal of Diabetes Science and Technology, Volume 3, Number 1, January 2009.
A. Abukmail and A. Helal, "Energy Outsourcing for Mobile Devices in Pervasive Spaces", International Journal of Computational Intelligence: Theory and Practice. Vol.4, No.1. July 2009.
M. Alturkistany, A. Helal "Adaptive Wireless Thin-client Model for Mobile Computing," The International Journal on Wireless Communications and Mobile Computing, Wiley & Sons, Vol: 9, No: 1, 2009, pp. 47-59.
J. Tian and A. Helal, "Speed Adaptive MIP over Wireless LAN," The International Journal on Wireless Communications and Mobile Computing, Wiley & Sons, Vol: 8, No: 10, 2009, pp. 1355-1364.
J. W. Park and A. Helal, “TouchView: Cognitive Assistance for MPS Children,” Poster and Demonstration program, 11th ACM International Conference on Ubiquitous Computing (Ubicomp 09), Orlando, Florida.
H. Lee, J. W. Park and A. Helal, “Estimation of Indoor Physical Activity Level Based on Footstep Vibration Signal Measured by MEMS Accelerometer for Personal Health Care Under Smart Home Environments,” in Proceedings of the Second International Workshop on Mobile Entity Localization and Tracking in GPS-less Environments (MELT) held in conjunction with Ubicomp 2009, Orlando, Florida.
C. Chen, R. Bose, A. Helal, “Atlas: An Open Model for Automatic Integration and Tele-programming of Smart Objects,” in Proceedings of the 3rd International Workshop on Design and Integration Principles for Smart Objects (DIPSO 2009). In conjunction with Ubicomp 2009, Orlando, Florida.
A. Helal, J. King, H. Zabadani and Y Kaddourah, "Assistive Environments for Successful Aging," Book Chapter in "Advanced Intelligent Environments," Achilles Kameas, Victor Callagan, Hani Hagras, Michael Weber and Wolfgang Minker, Editors, Springer Verlag. DOI: 10.1007/978-0-387-76485-6_1, pp1-26, 2009.
H. Yang, R. Bose, A. Helal, J. Xia, and C. Chang, "Fault-resilient Pervasive Service Composition", Book Chapter in "Advanced Intelligent Environments," Achilles Kameas, Victor Callagan, Hani Hagras, Michael Weber and Wolfgang Minker, Editors, Springer Verlag. DOI: 10.1007/978-0-387-76485-6_9, pp195-223, 2009.
M. Schmalz, A. Mendez -Vazquez and A. Helal "Algorithms for the Detection of Chewing Behavior in Dietary Monitoring Applications," in Proceedings of SPIE Technical Symposium: Mathematics of Data/Image Coding, Compression, and Encryption with Applications XII. Volume 7444A, August 2009.
C. Chen and A. Helal, "Device Integration in SODA using the Device Description Language," Proceedings of the IEEE/IPSJ Symposium on Applications and the Internet, July 2009, Seattle, Washington, USA. BEST PAPER AWARD.
A. Mendez-Vazquez, A. Helal and D. Cook, "Simulating Events to Generate Synthetic Data for Pervasive Spaces," Workshop on Developing Shared Home Behavior Datasets to Advance HCI and Ubiquitous Computing Research, In conjunction with the ACM HCI Conference to be held April 2009, MIT, Massachusetts, USA
M. Weitzel, A. Smith1, D. Lee, S. de Deugd and A. Helal "STEPSTONE 2.0: Enabling Connected Health through Social Network Gadgets," In Proceedings of the 7th International Conference on Smart Homes and Health Telematics (ICOST), July 2009, Tours, France.
A. Helal, A. Mendez-Vazquez, S. Hossain, "Specification and Synthesis of Sensory Datasets in Pervasive Spaces," In Proceedings of the IEEE Symposium on Computers and Communications (ISCC'09), July 5-8, 2009, Sousse, Tunisia.
R. Bose and A. Helal, “Localized In-network Detection and Tracking of Phenomena Clouds using Wireless Sensor Networks,” in Proceedings of the International Conference on Intelligent Environments (IE), July 20-21, 2009, Barcelona, Spain.
A. Mendez-Vazquez, A. Helal and D. Cook, “Synthesizing Datasets for Pervasive Spaces,” in Proceedings of the International Conference on Intelligent Environments (IE), July 20-21, 2009, Barcelona, Spain.
A. Helal and C. Chen, "The Gator Tech Smart House: Enabling Technologies and Lessons Learned," In Proceedings of the 3rd International Convention on Rehabilitation Engineering & Assistive Technology 22 – 26 April, 2009 Singapore.
A. Helal, “University-Industry Synergy: An Eclectic Dialog for Revised Relationships,” Industry Perspective Column, IEEE Computer, September 2009.
D. Lee, A. Helal and T. Yamazaki, “Robotic Companions for Smart Space Interactions”, IEEE Pervasive Computing Magazine, April-June 2009
E. Kim, A. Helal and D. Cook, "Human Activity Recognition and Pattern Discovery," IEEE Pervasive Computing Magazine, Oct-Dec 2009.
2008
Mobile and Pervasive Computing
A. Helal, R. Bose, S. Lim and H. Kim, “Networked Robots using Atlas Service-Oriented Architecture in Smart Spaces,” International Journal of Fuzzy Logic and Intelligent Systems, v.8, no.4, 2008, pp.288-298
A. Helal, S. Mitra, J. Wong, C. Chang and M. Mokhtari, “Smart Homes and Health Telematics,” Lecture Notes in Computer Science (LNCS 5120), Springer, 2008.
Chao Chen and Sumi Helal, “Sifting through the Jungle of Sensor Standards,” the Standards, Tools and Emerging Technologies Department, IEEE Pervasive Computing Magazine, Sumi Helal, Editor, Volume 7, Number 4, Oct-Dec 2008
C. Lee, S. Helal, and D. Nordstedt, "Impromptu Service Discovery and Delivery in Mobile Environments," Journal of Information Science and Engineering, vol.24, no.6, 2008
A. Helal, S. Lim, R. Bose, H. Yang, H. Kim, and Y. Cho, "Experience of Enhancing the Space Sensing of Networked Robots Using Atlas Service-Oriented Architecture," In Proceedings of the 8th Asia-Pacific Conference on Computer Human Interaction (APCHI 2008). Seoul, Korea, July 6-9, 2008. (pdf)
R. Bose, A. Helal, "Observing Walking Behavior of Humans using Distributed Phenomenon Detection and Tracking Mechanisms," Proceedings of 2nd International Workshop on Practical Applications of Sensor Networks, held in conjunction with the International Symposium on Applications and the Internet (SAINT), Turku (Finland), July 2008.(pdf)
Paolo Bellavista, Axel Küpper and Sumi Helal “Location Based Services – Back to the Future,” the Standards, Tools and Emerging Technologies Department, IEEE Pervasive Computing Magazine, Sumi Helal, Editor, Volume 7, Number 2, April-June 2008
R. Bose, A. Helal, "Distributed Mechanisms for Enabling Virtual Sensors in Service Oriented Intelligent Environments," Proceedings of 4th IET International Conference on Intelligent Environments (IE '08), Seattle, July 2008.(pdf)
A. Abukmail and A. Helal, "A near-Zero Run-time Energy Overhead within a Computation Outsourcing Framework for Energy Management," In Proceedings of the 5th International Conference on Information Technology : New Generations (ITNG), held April 7, 2008, Las Vegas, Nevada, USA. (pdf)
H. Yang and A. Helal, "Safety Enhancing Mechanisms for Pervasive Computing Systems in Intelligent Environment", In Proceedings of the Middleware Support for Pervasive Computing Workshop, held in conjunction with IEEE PerCom 2008, Hong Kong, March 2008. (pdf)
2007
Mobile and Pervasive Computing
R. Davenport, H. Elzabadani, J. Johnson, A. Helal and W. Mann, “Pilot Live-in Trial at the GatorTech Smart House,” Topics in Geriatric Rehabilitation, 23(1), 2007, Pgs. 73-84.
H. Kim, H. Yang, R. Bose and A. Helal, "Enhancing the Sentience of URC using Atlas Service-Oriented Architecture," Proceedings of 8th International Workshop on Human-friendly Welfare Robotic Systems (HWRS 2007), Korea, October 21-23, 2007.(pdf)
J. Xia, C. Chang, T. Kim, H. Yang, R. Bose and A. Helal, "Fault-resilient Ubiquitous Service Composition," Proceedings of 3rd IET International Conference on Intelligent Environments (IE'07), Ulm University, Germany, Sepetember 24-25, 2007. (pdf)
C. Lee. S. Ko, S. Lee, W. Lee and A. Helal, "Context-Aware Service Composition for Mobile Network Environments," Proceedings of the 4th International Conference on Ubiquitous Intelligence and Computing (UIC), Hong Kong, July 11-13, 2007. (pdf)
H. El-Zabadani, A. Helal and H Yang, “A Mobile Sensor Platform Approach to Sensing and Mapping Pervasive Spaces and their Contents,” Proceedings of the International Conference on New Technologies of Distributed Systems, Morocco, Marrakesh, June 4-8, 2007. (pdf)
H. Yang, J. King, A. Helal and E. Jansen, “A Context-Driven Programming Model for Pervasive Spaces,” Proceedings of the 5th International Conference on Smart Homes and Health Telematics (ICOST), Nara, Japan, 21-23 June, 2007. (pdf)
W. Mann and S. Helal, "Technology and Chronic Conditions in Later Years: Reasons for New Hope," in Hans-Werner Wahl, Clemens Tesch-Romer and Andreas Hoff, Editors, "New Dynamics in Old Age - Individual, Environmental and Societal Perspectives,", Baywood Publishing Company, Inc. ISBN: 0-89503-322-4, 2007.
J. Zhang, S. Jones, J. Wang and A. Helal, “DPQ: Using A Distributed Priority Queue to Improve Ad hoc TCP Performance,” Proceedings of the 4th International Conference on Information Technology: New Generations ITNG 2007, Las Vegas, Nevada, USA, April 2-4, 2007.
R. Bose, A. Helal, V. Sivakumar and S. Lim, "Virtual Sensors for Service Oriented Intelligent Environments," Proceedings of the Third IASTED International Conference on Advances in Computer Science and Technology, Phuket, Thailand, April 2-4, 2007. (pdf)
J. Zhang and A. Helal, " Mobile Network Adaptation in the UbiData Mobile File System", Accepted for publication in the International Journal of Computers and Applications. Accepted February 2007.
A. Abukmail and A. Helal, "Energy Management for Mobile Devices through Computation Outsourcing within Pervasive Smart Spaces," Submitted to the IEEE Transactions on Mobile Computing. Submitted January 2007. (pdf)
2006
Mobile and Pervasive Computing
J. King, R. Bose, H. Yang, S. Pickles and A. Helal, “Atlas – A Service-Oriented Sensor Platform,” Proceedings of the first IEEE International Workshop on Practical Issues in Building Sensor Network Applications (SenseApp 2006). Tampa, Florida, November 2006. (pdf)
A. Helal and B. Abdulrazak, “TeCaRob: Tele-Care using Telepresence and Robotic Technology for Assisting People with Special Needs,” International Journal of Human-friendly Welfare Robotic Systems, Vol. 7, No. 3, September 2006. (pdf)
H. Yang, S. Lim, J. King and A. Helal, “Open Issues in Nomadic Pervasive Computing,” Proceedings of UbiSys 2006 – the Workshop on System Support for Ubiquitous Computing, in conjunction with the 8th Annual Conference on Ubiquitous Computing (Ubicomp 2006), Orange County California, September 2006. (pdf)
C. Lee, S. Yoon, E. Kim and A. Helal, “An Efficient Service Propagation Scheme for Large-Scale MANETs,” Proceedings of the 4th International Workshop on Middleware for Pervasive and Ad-Hoc Computing (MPAC 2006), In connection with ACM/IFIP/USENIX 7th International Middleware Conference, Melbourne, Australia, November 2006. (pdf)
R. Bose, J. King, H. El-zabadani, S. Pickles, and A. Helal, "Building Plug-and-Play Smart Homes Using the Atlas Platform," Proceedings of the 4th International Conference on Smart Homes and Health Telematic (ICOST), Belfast, the Northern Islands, June 2006. (pdf)
W. Mann and A. Helal, Editors “Promoting Independence for Older Persons with Disabilities,” Assistive Technology Research Series, IOS Press, ISBN 1-58603-587-8, Copyright 2006.
S. Lim, and A. Helal, “Encapsulation and Entity-based Approach of Interconnection between Sensor Platform and Middleware of Pervasive Computing,” Proceedings of the International Symposium on Ubiquitous Computing Systems (UCS 2006), to be held in Coex, Seoul, Korea, October 11-13, 2006. (pdf)
C. Lee, A. Helal, and W. Lee “Universal Interactions with Smart Spaces,” the Standards, Tools and Emerging Technologies Department, IEEE Pervasive Computing Magazine, Sumi Helal, Editor, Volume 5, Number 1, January-March 2006.
C. Lee, A. Helal and D. Nordstedt, "μJini Proxy Architecture for Impromptu Mobile Service Access," Proceedings of the Workshop on Next Generation Service Platforms for Future Mobile Systems (SPMS 2006). In conjunction with the IEEE/IPSJ International Symposium on Applications and the Internet (SAINT), Phoenix, Arizona, January 2006. (pdf)
H. Yang, E. Jansen and A. Helal, "A Comparison of Two Programming Models for Pervasive Computing," Proceedings of the Workshop on Ubiquitous Networking and Enablers to Context Aware Services. In conjunction with the IEEE/IPSJ International Symposium on Applications and the Internet (SAINT), Phoenix, Arizona, January 2006. (pdf)
J. Zhang and A. Helal, “UbiNet: A Generic and Ubiquitous Service Provider Framework,” Proceedings of the International Conference on Software Engineering Advances (ICSEA 2006), Tahiti, French Polynesia, October 2006. (pdf)
J. Zhang and A. Helal, “Video Diffusion: A Routing Failure Resilient, Multi-Path Mechanism to Improve Wireless Video Transport,” Proceedings of the European Symposium on Mobile Media Delivery (EuMob), Alghero, Sardinia, Italy, September 2006. (pdf)
J. Tian and A. Helal, "Performance of MIP over WLAN in Rapid Moving Environments," Proceedings of the 4th ACS/IEEE International Conference on Computer Systems and Applications, Dubai/Sharjah, UAE, March 8-11, 2006. (
pdf)
H. El-Zabadani, A. Helal and M. Schmaltz, "PerVision: An integrated Pervasive Computing/Computer Vision Approach to Tracking Objects in a Self-Sensing Space," Proceedings of the 4th International Conference on Smart Homes and Health Telematic (ICOST), Belfast, the Northern Islands, June 2006. (
pdf)
A. Abukmail and A. Helal, "A Pervasive Internet Approach to Fine-Grain Power-Aware Computing," Proceedings of the IEEE/IPSJ International Symposium on Applications and the Internet (SAINT), Phoenix, Arizona, January 2006. (
pdf)
Internet Computing
Erwin Jansen, Hen-I Yang and Sumi Helal, "Automated Verification of Proper Choreography Implementation," Proceedings of the IEEE/IPSJ International Symposium on Applications and the Internet (SAINT), Phoenix, Arizona, January 2006. (pdf)
J. Meng, S. Su, A. Helal, and H. Lam, “DynaFlow: A Dynamic Inter-Organizational Workflow,” The International Journal of Business Process Integration and Management (IJBPIM). Vol. 1, No.2, pp. 101 – 115, 2006. (pdf)
2005
Mobile and Pervasive Computing
S. Willis and A. Helal, "RFID Information Grid and Wearable Computing Solution to the Problem of Wayfinding for the Blind User in a Campus Environment" Proceedings of the ninth annual IEEE International Symposium on Wearable Computers, Osaka, Japan, October 2005. (pdf). More detailed version of the paper (pdf).
A. Helal and C. Lee, "Pervasive Computing", in The Practical Handbook of Internet Computing, Munindar Snigh, Editor, Chapman & Hall/CRC Computer and Information Science Series, CRC Press, 2005, Pp37-1 to 37-14, ISBN 1-58488-381-2. Order the Book from Amazon.Com
A. Helal, W. Mann and C. Lee, "Assistive Environments for Individuals with Special Needs", D. Cook and S. Das, Editors, Smart Environments, John Wiley and Sons, Inc., 2005, Pp 361-383. ISBN 0-471-54448-5. Order the Book from Amazon.Com
A. Helal, S. Balakrishnan, M. Dunham and Y. Liu, "A Survey on Mobile Transaction Models", Imad Mahgoub, Editor, Handbook of Mobile Computing, CRC Press. January 2005, Pp839-874, ISBN 0-8493-1971-4. Order the Book from Amazon.Com
A. Abukmail and A. Helal, "Power Awareness and Management Techniques", Imad Mahgoub, Editor, Handbook of Mobile Computing, CRC Press. January 2005, Pp731-743, ISBN 0-8493-1971-4. Order the Book from Amazon.Com
B. Mann and A. Helal, "Technology and Chronic Conditions in Later Years: Reasons for New Hope", Book Chapter in Baywood Series - Aging and Society, Edited by Hans Werner Wahl, 2004.
Sumi Helal, "Programming Pervasive Spaces," the Standards and Emerging Technologies Department, IEEE Pervasive Computing magazine, Sumi Helal, Dept. Editor, Volume 4, Number 1, January-March 2005. (pdf)
A. Helal, W. Mann, H. Elzabadani, J. King, Y. Kaddourah and E. Jansen, "Gator Tech Smart House: A Programmable Pervasive Space", IEEE Computer magazine, March 2005, pp 64-74. (pdf)
J. Tian, A. Helal, "Rapid Mobility of MIP over WLAN," International Conference on Computer Networks and Mobile Computing (ICCNMC'05), Zhangjiajie, China, Aug 2-4, 2005. Lecture Notes in Computer Science, Springer-Verlag GmbH, ISSN: 0302-9743, ISBN: 3-540-28102-9, Volume 3619/2005. (pdf)
Y. Kaddourah, J. King and A. Helal, “Cost-Precision Tradeoffs in Unencumbered Floor-Based Indoor Location Tracking,?Proceedings of the third International Conference On Smart homes and health Telematic (ICOST), Sherbrooke, Québec, Canada, July 2005. (pdf)
H. El-Zabadani, A. Helal, B. Abudlrazak, and Erwin Jansen, “Self-Sensing Spaces: Smart Plugs for Smart Environments,?Proceedings of the third International Conference On Smart homes and health Telematic (ICOST), Sherbrooke, Québec, Canada, July 2005. (pdf)
M. Ali, W. Aref, R. Bose, A. Elmagarmid, A. Helal, I. Kamel, M. Mokbel, "NILE-PDT: A Phenomenon Detection and Tracking Framework for Data Stream Management Systems", Proceedings of the Very Large Databases Conference (VLDB), Trondheim, Norway August 2005. (pdf)
Internet Computing
A. Helal, J. Lu and E. Jansen, “A Web Services Based Personal Information Integration Framework,?The International Journal of Web Services Research, Vol. 2, No. 3, 2005. (pdf)
2004
Mobile and Pervasive Computing
A. Helal and J. Hammer, "UbiData: Requirements and Architecture for Ubiquitous Data Access," SIGMOD RECORD, Vol 33, No. 4, December 2004. (pdf)
D. Kochhar and A. Helal, "The ProxyGator: Server-side Wireless Toolkit", Proceedings of the IEEE International Conference on Information and Computer Science (ICICS), November 2004, Dhahran, Saudi Arabia. (pdf)
E. Hernandez and A. Helal, "Predictive Mobile IP for Rapid Mobility", Proceedings of the fourth IEEE Workshop on Wireless Local Networks (WLN), November 2004, Tampa, Florida. (
pdf)
T. Divekar, and A. Helal, "PEMOCO: An Infrastructure for Personal Mobile Commerce on Java Enabled Smart Phones," Proceedings of the IASTED International Conference on Advances in Computer Science and Technology. US Virgin Islands, November 2004. (pdf)
J. Russo, A. Sukojo, S. Helal, R. Davenport, and W. Mann, "SmartWave Intelligent Meal Preparation System to Help Older People Live Independently," Proceedings of the Second International Conference on Smart homes and health Telematic (ICOST2004), September 2004, Singapore. (pdf)
M. Al-Turkistany and A. Helal, "Intelligent Adaptation Framework for Wireless Thin-Client Environments," Proceedings of the International Conference on Computing, Communications and Control Technologies: CCCT'04, August, 2004, Austin, Texas. (pdf)
L. Ran, A. Helal and S. Moore, "Drishti: An Integrated Indoor/Outdoor Blind Navigation System and Service", Proceedings of the 2nd IEEE Pervasive Computing Conference, Orlando, Florida, March 2004. (pdf)
W. Mann, A. Helal, R. Davenport, M. Justiss, M. Tomita and B. Kemp, "Use of Cell Phones by Elders with Impairments: Overall Appraisal, Satisfaction and Suggestions," Journal on Technology and Disability, IOS Press, 16(2004), pp49-57.
Internet Computing
W. Gu and A. Helal, "An XML Based Solution to Delivering Adaptive Web Content for Mobile Clients", Proceedings of the International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS), San Jose, CA, July 2004. (
pdf)
W. Gu and A. Helal, "x-ICP: A Mobile Web Caching Protocol", Proceedings of the International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS), San Jose, CA, July 2004. (pdf)
2003
Mobile and Pervasive Computing
W. Mann, A. Helal, "Smart Technology: A Bright Future for Independent Living", The Society for Certified Senior Advisors Journal, Volume 21, December 2003.
S. Su, J. Meng, R. Krishnavasen, S. DegWekar, and A. Helal, "Dynamic Inter-Enterprise Workflow Management in a Constraint-Based E-Service Infrastructure", Electronic Commerce Research, 3: 9-24 (2003), Kluwer Academic Publishers.
C. Lee, A. Helal, N. Desai, V. Verma, and B. Arslan, "Konark: A System and Protocols for Device Independent, Peer-to-Peer Discovery and Delivery of Mobile Services", the IEEE Transaction on Systems, Man and Cybernatics, Volume 33, Number 6, November 2003, pp682-696.
J. Jing, A. Helal, and A. Elmagarmid, "Mobile Client Cache Invalidation Algorithms," Accepted for publication in the IEEE Transactions on Knowledge and Data Engineering. Nov-Dec 2003, Volume 15, Number 6, 26pp.
J. Meng, R. Krithivasan, S. Su and A. Helal, "Flexibility and Dynamism in E-Service based Workflow Management Systems", Kluwer Electronic Commerce Research Journal (special issue on "Business Process Integration and E-Commerce Infrastructure). January - April 2003, Volume 3, Issue 1-2, pp. 9-24.
A. Helal, L. Sampath, K. Birkett, and J. Hammer, "Adaptive Delivery of Video Data over Wireless and Mobile Environments", International Journal on Wireless Communication and Mobile Computing. John Wiley and Son. Volume 3. 23-36pp.
C. Lee, D. Nordstedt and A. Helal, "OSGi for Pervasive Computing,"the Standards, Tools and Best Practice Department, IEEE Pervasive Computing, Sumi Helal, Dept. Editor, Volume 2, Number 3, Sept 2003.
C. Lee and A. Helal, "A Multi-tier Ubiquitous Service Discovery Protocol for Mobile Clients", Proceedings of the 2003 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2003), Montréal, Canada, July 2003.
A. Helal, C. Giraldo, Y. Kaddourah, C. Lee, H. Zabadani, and W. Mann, "Smart Phone Based Cognitive Assistant", Accepted for publication in the Proceedings of the 2nd International Workshop on Ubiquitous Computing for Pervasive Healthcare Applications (UbiHealth), Seattle, Washington, Springer Verlag Publisher. November 2003.
A. Helal and W. Mann, "Integrating Smart Phones with Smart Spaces for Elder Care", The High Technology Track, Abstract in Proceedings of the ASA International Conference on Aging, Disability and Independence, Washington DC. Dec 2003.
A. Helal, C. Lee, C. Giraldo, Y. Kaddoura, H. Zabadani, R. Davenport. W. Mann, "Assistive Environments for Successful Aging", Proceedings of the 1st International Conference on Smart homes and health Telematics (ICOST). Paris, France, September 2003. pp 104-112.
C. Manescu and A. Helal, "Fast 2D Wavelet Transform Through a Novel Twisted-Packed Technique", Proceedings of the 9th International Conference on Distributed Multimedia Systems, Miami, Florida, September 2003.
C. Lee and A. Helal, "A Multi-tier Ubiquitous Service Discovery Protocol for Mobile Clients", In Proceedings of the 2003 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2003), Montreal, Canada, July 2003.
P. Pradhan and A. Helal, "An Efficient Algorithm for Maintaining Consistent Group Membership in Ad Hoc Networks," Proceedings of the First International Workshop on Mobile Distributed Computing (MDC'03), In conjunction with ICDCS'03, Providence, Rhode Island, May 2003.
A. Helal, N. Desai, V. Verma, and C. Lee "Konark:A Service Discovery and Delivery Protocol for Ad-Hoc Networks", Proceedings of the IEEE Wireless Communication and Networking Conference (WCNC 2002), New Orleans, LA, March 2003.
Sumi Helal, Bryon Winkler, Choonhwa Lee, Youssef Kaddourah, Lisa Ran, Carlos Giraldo and William Mann, "Enabling Location-Aware Pervasive Computing Applications for the Elderly" Proceedings of the First IEEE Pervasive Computing Conference to be held June 2003 in Fort Worth, Texas. (pdf)
Yanli Xia and Abdelsalam (Sumi) Helal, "A Dynamic Data/Currency Protocol for Mobile Database Design and Reconfiguration," Proceedings of the ACM Symposium on Applied Computing (SAC), Melbourne, Florida, March 2003. (pdf)
C. Lee and A. Helal, " " A Multi-tier Ubiquitous Service Discovery Protocol for Mobile Clients," Submitted, to the First ACM International Conference on Mobile Systems and Applications (Mobisys), May 2003. (pdf)
Pushkar Pradhan and Sumi Helal, "An Efficient Algorithm for Maintaining Consistent Group Membership in Ad Hoc Networks," Proceedings of the First International Workshop on Mobile Distributed Computing (MDC'03), In conjunction with ICDCS'03, to be held in Providence, Rhode Island, May 2003. (pdf)
Sumi Helal, Nitin Desai, Varum Verma and Choonhwa Lee, "Konark – A Service Discovery and Delivery Protocol for Ad-hoc Networks," Proceedings of the Third IEEE Conference on Wireless Communication Networks (WCNC), New Orleans, March 2003. (pdf)
Nitin Desai, Varun Verma and Sumi Helal, "Infrastructure for Peer-to-Peer Applications in Ad-Hoc Networks," Submitted to the 2nd International Workshop on Peer-to-Peer Systems (IPTPS '03), to be held in Berkeley, CA, February 2003. (pdf)
Mohamed Al-Turkistany and Abdelsalam (Sumi) Helal, "Intelligent Adaptation Framwork for Wireless Thin-Client Environments," Submitted to the IEEE Symposium on Computers and Communications - ISCC'2003, to be held in KEMER - ANTALYA, TURKEY, June/July 2003. (pdf)
Jinsuo Zhang, Abdelsalam (Sumi) Helal and Joachim Hammer, "UbiData: Ubiquitous Mobile File Service," Proceedings of the ACM Symposium on Applied Computing (SAC), Melbourne, Florida, March 2003. (pdf)
A. Helal, S. Balakrishnan, M. Dunham and R. Li , "A Survey on Mobile Transaction Models," Book Chapter in Mobile and Wireless Computing and Communication, Chapman Hall/CRC (Azzedine Boukerche , Editor), Submitted 2002. (pdf)
M. Chinta and Sumi Helal "ILC-TCP: An Interlayer Collaboration Protocol for TCP Performance Improvement in Mobile and Wireless Environments," Proceedings of the Third IEEE Wireless Communications and Networking Conference (WCNC), New Orleans, Louisiana, March 2003. (pdf)
S. Parvatham, A. Helal and C. Lee, "A Bluetooth LAN Access Profile Simulator,"to be submitted
Sangeetha Shekar, Prashant Nair and Abdelsalam (Sumi) Helal, "iGrocer- A Ubiquitous and Pervasive Smart Grocery Shopping System," Proceedings of the ACM Symposium on Applied Computing (SAC), Melbourne, Florida, March 2003. (pdf)
C. Lee and A. Helal, "Context Attributes: An Approach to Enable Context-awareness for Service Discovery," Submitted to the Third IEEE/IPSJ Symposium on Applications and the Intrnet, to be held in Orlando, Florida, January 2003. (pdf)
Internet Computing
W. Gu and A. Helal, "Extended Internet Caching Protocol: A Foundation for Building Ubiquitous Web Caching," Proceedings of the ACM Symposium on Applied Computing (SAC), Melbourne, Florida, March 2003.
Stanley Y. W. Su, Jie Meng, Raja Krithivasan, Seema Degwekar and Sumi Helal, "Dynamic Inter-enterprise Workflow Management in a Constraint-based E-Service Infrastructure," Kluwer Electronic Commerce Research Journal. Special Issue on Business Process Integration and E-Commerce Infrastructure. Vol. 3:9-24 (2003). (pdf)
2002
Mobile and Pervasive Computing
M. Lee and A. Helal, "HiCoMo: High Commit Mobile Transactions," The International Journal of Parallel and Distributed Database Systems. Kluwer Academic Publisher. Volume 11, No. 1, pp: 73-92, January 2002. (pdf)
A. Helal, S. Shah and C. Lee "Mobility Benchmarking In Ad-Hoc Networks," The IPSJ Journal, Vol. 43, No.11, June 2002 .
A. Helal, L. Sampath, K. Birkett, and J. Hammer, "Adaptive Delivery of Video Data over Wireless and Mobile Environments," Accepted for publications in the John Wiley & Sons International Journal on Wireless Communications and Mobile Computing. (pdf)
Sumi Helal, "Service Discovery Standards", the Standards, Tools and Best Practice Department, IEEE Pervasive Computing, Sumi Helal, Dept. Editor, Volume 1, Number 3, Sept 2002.
Sumi Helal, "Pervasive Java -Part II", the Standards, Tools and Best Practice Department, IEEE Pervasive Computing, Sumi Helal, Dept. Editor, Volume 1, Number 2, June 2002.
Sumi Helal, "Pervasive Java -Part I", the Standards, Tools and Best Practice Department, IEEE Pervasive Computing, Sumi Helal, Dept. Editor, Volume 1, Number 1, March 2002. (pdf)
M. Lanham, A. Kang, J. Hammer and A. Helal , "Format-Independent Change Detection and Propagation in Support of Mobile Computing," Proceedings of the XVII Brazilian Symposium on Databases (SBBD), Gramado, Rio Grande do Sul, Brazil, October, 2002. (pdf)
C. Giraldo, S. Helal, W. Mann, "mPCA – A Mobile Patient Care-Giving Assistant for Alzheimer Patients" First International Workshop on Ubiquitous Computing for Cognitive Aids (UbiCog’02). In conjunction with The Fourth International Conference on Ubiquitous Computing (UbiComp 2002).,Göteborg, Sweden, October 2002. (pdf)
W. Mann ands A. Helal, "Smart Phones for the Elders: Boosting the Intelligence of Smart Homes," Proceedings of the AAAI Workshop on Automation as Caregiver: The Role of Intelligent Technology in Elder Care, Edmonton, Canada, July 2002. (pdf)
J. Jing, A. Helal, and A. Elmagarmid, "Mobile Client Cache Invalidation Algorithms," To appear in the IEEE Transactions on Knowledge and Data Engineering .
A. Khushraj, A. Helal and J. Zhang, "InCoda: Incremental Hoarding and Reintegration in Mobile Environments," Proceedings of the IEEE/IPSJ International Symposium on Applications and the Internet (SAINT), February 2002, Nara, Japan. (pdf)
E. Hernandez and Sumi Helal, "RAMON: Rapid Mobility Network Emulator," Proceedings of the 27th IEEE Conference on Local Computer Networks (LCN), Tampa, Florida, November 2002. (pdf)
S. Shah, E. Hernandez, and A. Helal, "CAD-HOC: A CAD Like Tool for Generating Mobility Benchmarks in Ad-Hoc Networks," Proceedings of the second IEEE/IPSJ Symposium on Applications and the Internet (SAINT'02) Jan/Feb 2002, in Nara, Japan. (pdf)
C. Lee, A. Helal, "Protocols for Service Discovery in Dynamic and Mobile Networks,"The International Journal of Computer Res earch, Special issue on Wireless Systems and Mobile Computing, Vol. 11, No. 1, September 2002. (pdf)
Internet Computing
J. Meng, R. Krithivasan, S. Su and A. Helal, "Flexibility and Dynamism in E-Service based Workflow Management Systems," Kluwer Electronic Commerce Research Journal (special issue on "Business Process Integration and E-Commerce Infrastructure). Accepted July 2002 .
Sumi Helal and Jingting Lu, "E-service Based Information Fusion: A User-Level Information Integration Framework," Proceedings of the Fourth Workshop on Technologies for E-Services, In conjunction with VLDB 2002, Hong Kong, August 2002. (pdf)
Amar Nalla, Abdelsalam (Sumi) Helal and Vidya Renganarayanan, "aZIMAs: Almost Zero Infrastructure Mobile Agents System," Proceedings of the IEEE Wireless Communications and Networking Conference (WCNC), Orlando, Florida, March 2002. (pdf)
Vidya Renganarayanan, Amar Nalla and Abdelsalam (Sumi) Helal, "Internet Agents for Effective Collaboration," Proceedings of the IEEE Fourth International Workshop on Mobile Agents for Telecommunication Applications (MATA'2002), Barcelona, Spain, October 22-24, 2002. (pdf)
Subramanian Arumugam, Abdelsalam (Sumi) Helal, Amar Nalla, "aZIMAS: Web Mobile Agent System," Proceedings of the 6th IEEE International Conference on Mobile Agents, Barcelona, Spain , October 22-25, 2002. (pdf)
J. Meng, S. Y.W. Su, H. Lam and A. Helal, "Achieving Dynamic Inter-organizational Workflow Management by Integrating Business Processes, Events, and Rules," Proceedings of the Thirty-Fifth Hawaii International Conference on System Sciences (HICSS-35), January 2002. (pdf)
Sumi Helal, Stanley Su, Jie Meng, Raja Krithivasan, and Arun Jagatheesan, "The Internet Enterprise," Proceedings of the Second IEEE/IPSJ Symposium on Applications and the Internet (SAINT'02), Jan/Feb 2002, Nara, Japan. (pdf)
J. Meng, R. Krithivasan, S. Su and A. Helal, "Flexible Inter-enterprise Workflow Management using E-Services," Proceedings of the 4th IEEE International Workshop on Advanced Issues of E-Commerce and Web-based Information Systems (WECWIS), Newport Beach, California, USA, June 2002. (pdf)
2001
Mobile and Pervasive Computing
A. Ramamurthy and A. Helal, "Optimizing Thin Clients for Wireless Computing via Localization of Keyboard Activities," Proceedings of the International Performance, Computing, and Communication Conference (IPCCC), Phoenix, Arizona, April 2001. (pdf)
A. Helal, J. Hammer, A. Khushraj and J. Zhang, “A Three-tier Architecture for Ubiquitous Data Access” Proceedings of the First ACS/IEEE International Conference on Computer Systems and Applications, to be held June 2001, in Beirut, Lebanon. (pdf)
E. Hernandez and A. Helal, "Examining Mobile-IP Performance in Rapidly Mobile Environments: The Case of a Commuter Train, " Proceedings of the 26th Annual IEEE Conference on Local Computer Networks (LCN), November 2001, Tampa, Florida. (pdf)
C. Lee and A. Helal, "An ns-based Bluetooth LAP Simulator," Proceedings of the 26th Annual IEEE Conference on Local Computer Networks (LCN), November 14, 2001, Tampa, Florida. (pdf)
D. Buszko, W. Lee, and A. Helal, "Decentralized Ad-Hoc Groupware API and Framework for Mobile Collaboration,"Proceedings of the ACM International Conference on Supporting Group Work (Group'01) held in September 2001 in Boulder, Colorado, USA. (pdf)
A. Helal, S. Moore, and B. Ramachandran, "Drishti: An Integrated Navigation System for Visually Impaired and Disabled," Proceedings of the 5th International Symposium on Wearable Computer, October 2001, Zurich, Switzerland. ( pdf)
R. Loy and A. Helal, "Active Mode Power Management in Mobile Devices," Proceedings of the 5th World Multi-Conferences on Systematics, Cybernetics, and Informatics, July 2001, Orlando, Florida. (pdf)
Internet Computing
A. Helal, M. Wang, and A. Jagatheesan, "Service-Centric Brokering in Dynamic E-Business Agent Communities,"Journal of ElectronicCommerce Research (JECR), Baltzer Science Publisher, 2001. (pdf)
A. Helal, M. Wang, A. Jagatheesan and R. Krithivasan, "Brokering Based Self Organizing E-Service Communities". Proceedings of the Fifth International Symposium on Autonomous Decentralized Systems (ISADS) With an Emphasis on Electronic Commerce, March 26-28, 2001 Dallas, Texas. (pdf)
R. Krithivasan and A. Helal, "BizBuilder - An e-Services Framework Targeted for Internet Workflow," Proceedings of the third Workshop on Technologies for E-Services, Springer Lecture Notes in Computer Science series, VOL. 2193. In conjunction with VLDB 2001, Sept 2001, Rome, Italy. (pdf)
2000
Mobile and Pervasive Computing
C. Aksoy and A. Helal, "Optimizing Thin Clients for Wireless Active-media Applications," Proceedings of the Third IEEE Workshop on Mobile Computing Systems and Applications (WMCSA'00), held in Monterey, CA, Dec 7-8, 2000. (pdf)
L. Sampath L, A. Helal, J. Smith, "UMA-based Wireless and Mobile Video Delivery Architecture," Proceedings of the SPIE Voice, Video and Data Communications Symposium, November 2000. (pdf)
A. Helal, C. Lee, Y. Zhang and G. Richard, "Towards Integrating Wireless LANs with Wireless WANs using Mobile IP,"Proceedings of the IEEE Wireless Communications and Networking Conference (WCNC 2000), Chicago, Illinois. September 2000. (pdf)
Internet Computing
J. Meng, A. Helal, and Stanley Su, "An Ad-Hoc Workflow Architecture Based on Mobile Agent and Rule-Based Processing," The special session on Software Agent-Oriented Workflows, Proceedings of the International Conference on Parallel and Distributed Computing Techniques and Applications, Las Vegas, Nevada, June 2000. (pdf)
1999
Mobile and Pervasive Computing
J. Jing, A. Helal, and A. Elmagarmid, "Client-Server Computing in Mobile Environments,"ACM Computing Surveys, volume 31, Number 2, June 1999 .
A. Helal, B. Haskell, J. Carter, R. Brice, D. Woelk, and M. Rusinkiewicz, "Any Time Anywhere Computing: Mobile Computing Concepts and Technology," Kluwer Academic Publishers. ISBN 0-7923-8610-8, Published October 1999 .
Internet Computing
X. Liu, A. Helal, and W. Du, "Multi-view Access Protocols for Large-Scale Replication," ACM Transactions on Database Systems (TODS), Volume 23, Number 2, June 1998, pp. 158-198.
