Recently, there have been a number of algorithms proposed for analyzing hypertext link structure so as to determine the best \authorities" for a given topic or query. While such analysis is usually combined with content analysis, there is a sense in which some algorithms are deemed to be \more balanced" and others \more focused". We undertake a comparative study of hypertext link analysis algorithms. Guided by some experimental queries, we propose some formal criteria for evaluating and comparing link analysis algorithms. Keywords: link analysis, web searching, hubs, authorities, SALSA, Kleinberg's algorithm, threshold, Bayesian. 1 Department of Computer Science, University of Toronto, Toronto, Ontario, Canada M5S 3G4. E-mail: email@example.com. Web: http://www.cs.utoronto.ca/DCS/People/Faculty/bor.html 2 Department of Mathematics and Statistics, Lancaster University, Lancaster, U.K. LA1 4YF. E-mail: firstname.lastname@example.org. Web: http://www.maths.lancs.ac.uk/dept/people/..
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