when-experts-agree

when-experts-agree - When Experts Agree Using...

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When Experts Agree: Using Non-Affiliated Experts to Rank Popular Topics Krishna Bharat George A. Mihaila presentation by Na Dai
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Motivation • Queries in popular topics – Too many related web pages • Tradition – Content analysis – Authority? Spam? • Use link structure – Basis of web pages’ authorities
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Hilltop Algorithm Overview Select experts Identify relevant links Rank target web pages • Expert lookup – Special inverted indexing – Compute the best experts and matching info • Target Ranking – Select subset of hyperlinks – Targets are at least pointed to by two non-affiliated experts
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Expert Documents • What makes a page an expert? – Unbiased – Point to numerous non-affiliated pages • Detecting Host Affiliation –C o n s t r a i n t s
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This note was uploaded on 08/06/2008 for the course CSE 450 taught by Professor Davison during the Spring '08 term at Lehigh University .

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when-experts-agree - When Experts Agree Using...

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