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SIGIR
2010
ACM
15 years 6 months ago
Has portfolio theory got any principles?
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
Guido Zuccon, Leif Azzopardi, Keith van Rijsbergen
SASO
2008
IEEE
16 years 11 days ago
Decentralized Ranking in Large-Scale Overlay Networks
Alberto Montresor, Márk Jelasity, Özal...
ICDM
2006
IEEE
123views Data Mining» more  ICDM 2006»
16 years 1 days ago
Cluster Ranking with an Application to Mining Mailbox Networks
Ziv Bar-Yossef, Ido Guy, Ronny Lempel, Yoëlle...