The interactive PRP for diversifying document rankings

Zuccon, Guido, Azzopardi, Leif, & van Rijsbergen, C.J. Keith (2011) The interactive PRP for diversifying document rankings. In SIGIR '11 Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval, ACM, Beijing, China, pp. 1227-1228.

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The assumptions underlying the Probability Ranking Principle (PRP) have led to a number of alternative approaches that cater or compensate for the PRP's limitations. In this poster we focus on the Interactive PRP (iPRP), which rejects the assumption of independence between documents made by the PRP. Although the theoretical framework of the iPRP is appealing, no instantiation has been proposed and investigated. In this poster, we propose a possible instantiation of the principle, performing the first empirical comparison of the iPRP against the PRP. For document diversification, our results show that the iPRP is significantly better than the PRP, and comparable to or better than other methods such as Modern Portfolio Theory.

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ID Code: 69268
Item Type: Conference Paper
Refereed: Yes
DOI: 10.1145/2009916.2010132
ISBN: 9781450307574
Divisions: Current > Institutes > Institute for Future Environments
Current > Schools > School of Information Systems
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 The Author(s)
Deposited On: 02 Jun 2014 03:12
Last Modified: 17 Jun 2014 04:16

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