%-------------------------------------------------------------------------------
% UF Sparse Matrix Collection, Tim Davis
% http://www.cise.ufl.edu/research/sparse/matrices/SNAP/amazon0312
% name: SNAP/amazon0312
% [Amazon product co-purchasing network from March 12 2003]
% id: 2305
% date: 2003
% author: J. Leskovec, L. Adamic and B. Adamic
% ed: J. Leskovec
% fields: name title A id date author ed kind notes
% kind: directed graph
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% 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    
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