SNAP/amazon0312
Amazon product co-purchasing network from March 12 2003
| Name | amazon0312 | 
| Group | SNAP | 
| Matrix ID | 2305 | 
| Num Rows | 400,727 | 
| Num Cols | 400,727 | 
| Nonzeros | 3,200,440 | 
| Pattern Entries | 3,200,440 | 
| Kind | Directed Graph | 
| Symmetric | No | 
| Date | 2003 | 
| Author | J. Leskovec, L. Adamic and B. Adamic | 
| Editor | J. Leskovec | 
 
 
| Structural Rank |  | 
| Structural Rank Full |  | 
| Num Dmperm Blocks |  | 
| Strongly Connect Components | 13,292 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 53.2% | 
| Numeric Symmetry | 53.2% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | binary | 
 
 
| Download | MATLAB
Rutherford Boeing
Matrix Market | 
| 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                                                  
                                                                               
Amazon product co-purchasing network, March 12 2003                            
                                                                               
Dataset information                                                            
                                                                               
Network was collected by crawling Amazon website. It is based on Customers Who 
Bought This Item Also Bought feature of the Amazon website. If a product i is  
frequently co-purchased with product j, the graph contains a directed edge from
i to j.                                                                        
                                                                               
The data was collected in March 12 2003.                                       
                                                                               
Dataset statistics                                                             
Nodes   400727                                                                 
Edges   3200440                                                                
Nodes in largest WCC    400727 (1.000)                                         
Edges in largest WCC    3200440 (1.000)                                        
Nodes in largest SCC    380167 (0.949)                                         
Edges in largest SCC    3069889 (0.959)                                        
Average clustering coefficient  0.4113                                         
Number of triangles     3686467                                                
Fraction of closed triangles    0.1605                                         
Diameter (longest shortest path)    18                                         
90-percentile effective diameter    7.7                                        
                                                                               
Source (citation)                                                              
                                                                               
J. Leskovec, L. Adamic and B. Adamic. The Dynamics of Viral Marketing. ACM     
Transactions on the Web (ACM TWEB), 1(1), 2007.                                
                                                                               
Files                                                                          
File    Description                                                            
amazon0312.txt.gz   Amazon product co-purchaisng network from March 12 2003 |