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lecture17-linkanalysis-handout-6-per

Stores mappings in memory from url to outlinks url to

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Unformatted text preview: Miasa E&J school _ ސ쌧E‰¡•lŽs—§ †ì¼¬ŠwZ‚̃y http://www...p/~m_maru/index.html fukui haruyama-es HomePage Torisu primary school goo Yakumo Elementary,Hokkaido,Japan FUZOKU Home Page Kamishibun Elementary School... 7 Introduc)on to Informa)on Retrieval Sec. 21.3 Things to note Introduc)on to Informa)on Retrieval S ec. 21.3 Proof of convergence   Pulled together good pages regardless of language of page content.   Use only link analysis aler base set assembled   itera*ve scoring is query ­independent.   Itera*ve computa*on aler text index retrieval  ­ significant overhead.   n×n adjacency matrix A:   each of the n pages in the base set has a row and column in the matrix.   Entry Aij = 1 if page i links to page j, else = 0. 1 2 1 0 2 1 3 0 2 1 1 1 1 1 0 0 3 3 Introduc)on to Informa)on Retrieval Sec. 21.3 Introduc)on to Informa)on Retrieval Hub/authority vectors Rewri...
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