The webgraph describes the directed links between pages of the World Wide Web. A graph, in general, consists of several vertices, some pairs connected by edges. In a directed graph, edges are directed lines or arcs. The webgraph is a directed graph, whose vertices correspond to the pages of the WWW, and a directed edge connects page X to page Y if there exists a hyperlink on page X, referring to page Y.



  • The webgraph is used for computing the PageRank [5] of the WWW pages.
  • The webgraph is used for computing the personalized PageRank.[6]
  • The webgraph can be used for detecting webpages of similar topics, through graph-theoretical properties only, like co-citation [7]
  • The webgraph is applied in the HITS algorithm for identifying hubs and authorities in the web.


  1. ^ P. Erd?s, A. Renyi, Publ. Math. Inst. Hung. Acad. Sci. 5 (1960)
  2. ^ Meusel, R.; Vigna, S.; Lehmberg, O.; Bizer, C. (2015). "The Graph Structure in the Web - Analyzed on Different Aggregation Levels" (PDF). Journal of Web Science. 1 (1): 33-47. doi:10.1561/106.00000003.
  3. ^ Clauset, A.; Shalizi, C. R.; Newman, M. E. J. (2007). "Power-law distributions in empirical data". SIAM Rev. 51 (4): 661-703. arXiv:0706.1062. doi:10.1137/070710111.
  4. ^ Barabási, Albert-László; Albert, Réka (October 1999). "Emergence of scaling in random networks" (PDF). Science. 286 (5439): 509-512. arXiv:cond-mat/9910332. Bibcode:1999Sci...286..509B. doi:10.1126/science.286.5439.509. PMID 10521342..
  5. ^ S. Brin, L. Page, Computer Networks and ISDN Systems 30, 107 (1998)
  6. ^ Glen Jeh and Jennifer Widom. 2003. Scaling personalized web search. In Proceedings of the 12th international conference on World Wide Web (WWW '03). ACM, New York, NY, USA, 271-279. doi:10.1145/775152.775191
  7. ^ Kumar, Ravi; Raghavan, Prabhakar; Rajagopalan, Sridhar; Tomkins, Andrew (1999). "Trawling the Web for emerging cyber-communities". Computer Networks. 31 (11-16): 1481-1493. CiteSeerX doi:10.1016/S1389-1286(99)00040-7.

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