507 search results - page 31 / 102 » Portfolio theory of information retrieval |
64
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SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
We describe a method for applying parsimonious language models to re-estimate the term probabilities assigned by relevance models. We apply our method to six topic sets from test ...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
The paper is concerned with applying learning to rank to document retrieval. Ranking SVM is a typical method of learning to rank. We point out that there are two factors one must ...
MM
2004
ACM
15 years 3 months ago
2004
ACM
Subspace learning techniques are widespread in pattern recognition research. They include Principal Component Analysis (PCA), Locality Preserving Projection (LPP), etc. These tech...
110
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IIR
2010
14 years 11 months ago
2010
In this work, we summarise the development of a ranking principle based on quantum probability theory, called the Quantum Probability Ranking Principle (QPRP), and we also provide...
RECSYS
2009
ACM
15 years 4 months ago
2009
ACM
We consider the problem of recommending the best set of k items when there is an inherent ordering between items, expressed as a set of prerequisites (e.g., the course ‘Real Ana...