Matrix properties
number of rows	281,903
number of columns	281,903
nonzeros	2,312,497
# strongly connected comp.	29,914
explicit zero entries	0
nonzero pattern symmetry	28%
numeric value symmetry	28%
type	binary
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	S. Kamvar
editor	J. Leskovec
date	2002
kind	directed graph
2D/3D problem?	no

Notes:

Networks from SNAP (Stanford Network Analysis Platform) Network Data Sets,     
Jure Leskovec http://snap.stanford.edu/data/index.html                         
email jure at cs.stanford.edu                                                  
                                                                               
Stanford web graph                                                             
                                                                               
NOTE:  see Kamvar/Stanford (matrix ID 979) in the UF Collection                
                                                                               
Dataset information                                                            
                                                                               
Nodes represent pages from Stanford University (stanford.edu) and directed     
edges represent hyperlinks between them. The data was collected in 2002.       
                                                                               
Dataset statistics                                                             
Nodes   281903                                                                 
Edges   2312497                                                                
Nodes in largest WCC    255265 (0.906)                                         
Edges in largest WCC    2234572 (0.966)                                        
Nodes in largest SCC    150532 (0.534)                                         
Edges in largest SCC    1576314 (0.682)                                        
Average clustering coefficient  0.6109                                         
Number of triangles     11329473                                               
Fraction of closed triangles    -0.09686                                       
Diameter (longest shortest path)    740                                        
90-percentile effective diameter    9.8                                        
                                                                               
Source (citation)                                                              
                                                                               
J. Leskovec, K. Lang, A. Dasgupta, M. Mahoney. Community Structure in Large    
Networks: Natural Cluster Sizes and the Absence of Large Well-Defined Clusters.
arXiv.org:0810.1355, 2008.                                                     
                                                                               
Files                                                                          
File    Description                                                            
web-Stanford.txt.gz     Stanford web graph from 2002                           
                                                                               
NOTE: a similar version this problem already appears in the UF Collection:     
                                                                               
web-Stanford        Kamvar/Stanford (same size and nnz)                        
                                    n: 281,903   nz:  2,312,497                
                                                                               
                    The SNAP/web-Stanford graph and the Kamvar/Stanford        
                    graphs have the same number of nodes and edges.            
                    However, they differ in nonzero pattern.                   

For a description of the statistics displayed above, click here.

Maintained by Tim Davis, last updated 12-Mar-2014.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.