lecture17-linkanalysis-handout-6-per

204 gap encodings given a sorted list of integers x

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Unformatted text preview: al Sec. 20.4 Boldi and Vigna 2004   h\p://www2004.org/proceedings/docs/1p595.pdf   Support for fast queries on the web graph   Webgraph – set of algorithms and a java implementa*on   Fundamental goal – maintain node adjacency lists in memory   Which URLs point to a given URL?   Which URLs does a given URL point to? Stores mappings in memory from   URL to outlinks, URL to inlinks   For this, compressing the adjacency lists is the cri*cal component   Applica*ons   Crawl control   Web graph analysis   Connec*vity, crawl op*miza*on   Link analysis Introduc)on to Informa)on Retrieval Sec. 20.4 Introduc)on to Informa)on Retrieval Adjacency lists Adjaceny list compression   The set of neighbors of a node   Assume each URL represented by an integer   E.g.,...
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