System scoring using partial prior information

Authors:
Sri Devi Ravana;Laurence A. Park;Alistair Moffat
Affiliations:
The University of Melbourne, Melbourne, Australia;The University of Melbourne, Melbourne, Australia;The University of Melbourne, Melbourne, Australia
Venue:
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
Year:
2009

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Abstract

We introduce smoothing of retrieval effectiveness scores, which balances results from prior incomplete query sets against limited additional complete information, in order to obtain more refined system orderings than would be possible on the new queries alone.