Matrix: LAW/sk-2005

Description: 2005 web crawl of .sk domain

LAW/sk-2005 graph LAW/sk-2005 graph
(bipartite graph drawing) (graph drawing of A+A')


LAW/sk-2005
scc of LAW/sk-2005

  • Home page of the UF Sparse Matrix Collection
  • Matrix group: LAW
  • Click here for a description of the LAW group.
  • Click here for a list of all matrices
  • Click here for a list of all matrix groups
  • download as a MATLAB mat-file, file size: 2483 MB. Use UFget(2454) or UFget('LAW/sk-2005') in MATLAB.
  • download in Matrix Market format, file size: 4744 MB.
  • download in Rutherford/Boeing format, file size: 3570 MB.

    Matrix properties
    number of rows50,636,154
    number of columns50,636,154
    nonzeros1,949,412,601
    # strongly connected comp.8,815,057
    explicit zero entries0
    nonzero pattern symmetry 12%
    numeric value symmetry 12%
    typebinary
    structureunsymmetric
    Cholesky candidate?no
    positive definite?no

    authorP. Boldi, M. Rosa, M. Santini, S. Vigna
    editorP. Boldi, M. Rosa, M. Santini, S. Vigna
    date2005
    kinddirected graph
    2D/3D problem?no

    Notes:

    Laboratory for Web Algorithmics, P. Boldi et al., Univ of Milano     
    http://law.dsi.unimi.it/index.php                                    
    Paolo Boldi, Marco Rosa, Massimo Santini, Sebastiano Vigna           
                                                                         
    References:                                                          
    [1] "The WebGraph Framework I: Compression Techniques," Paolo Boldi  
        and Sebastiano Vigna, Proc. of the Thirteenth International      
        World Wide Web Conference (WWW 2004), 2004, Manhattan, USA,      
        pp. 595--601, ACM Press.                                         
                                                                         
    [2] "Layered Label Propagation: A MultiResolution Coordinate-Free    
        Ordering for Compressing Social Networks," Paolo Boldi, Marco    
        Rosa, Massimo Santini, and Sebastiano Vigna, Proceedings of the  
        20th international conference on World Wide Web, 2011, ACM Press.
                                                                         
    [3] "UbiCrawler: A Scalable Fully Distributed Web Crawler",          
        Paolo Boldi, Bruno Codenotti, Massimo Santini, and Sebastiano    
        Vigna, Software: Practice & Experience, 2004, vol 34, no. 8,     
        pp. 711--726                                                     
                                                                         
                                                                         
    LAW/sk-2005                                                          
                                                                         
    This graph has been obtained from a 2005 crawl of the .sk            
    domain performed by UbiCrawler for a group of Slovakian              
    researchers. An interesting feature of this crawl is that            
    we were provided a very large seed.                                  
    

    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.