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Summary: HITS on Question Answer Portals:
Exploration of Link Analysis for Author Ranking
Pawel Jurczyk
Department of Mathematics and Computer Science,
Emory University
pjurczy@emory.edu
Eugene Agichtein
Department of Mathematics and Computer Science,
Emory University
eugene@mathcs.emory.edu
ABSTRACT
Question-Answer portals such as Naver and Yahoo! Answers are
growing in popularity. However, despite the increased popularity,
the quality of answers is uneven, and while some users usually
provide good answers, many others often provide bad answers.
Hence, estimating the authority, or the expected quality of users, is a
crucial task for this emerging domain, with potential applications to
answer ranking and to incentive mechanism design. We adapt a
powerful link analysis methodology from the web domain as a first
step towards estimating authority in Question Answer portals. Our
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