507 search results - page 1 / 102 » Portfolio theory of information retrieval |
SIGIR
2009
ACM
13 years 11 months ago
2009
ACM
This paper studies document ranking under uncertainty. It is tackled in a general situation where the relevance predictions of individual documents have uncertainty, and are depen...
SIGIR
2010
ACM
13 years 5 months ago
2010
ACM
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
SIGIR
2011
ACM
12 years 7 months ago
2011
ACM
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 pos...
ECIR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. This paper concerns document ranking in information retrieval. In information retrieval systems, the widely accepted probability ranking principle (PRP) suggests that, fo...
MANSCI
2008
13 years 5 months ago
2008
Value-at-Risk (VaR) is one of the most widely accepted risk measures in the financial and insurance industries, yet efficient optimization of VaR remains a very difficult problem....