2790 search results - page 307 / 558 » A generative theory of relevance |
202
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MM
2006
ACM
16 years 19 days ago
2006
ACM
In many image retrieval applications, the mapping between highlevel semantic concept and low-level features is obtained through a learning process. Traditional approaches often as...
152
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SIGIR
2006
ACM
16 years 18 days ago
2006
ACM
We consider the problem of large-scale retrieval evaluation, and we propose a statistical method for evaluating retrieval systems using incomplete judgments. Unlike existing techn...
194
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SIGIR
2006
ACM
16 years 18 days 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 ...
177
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MIR
2005
ACM
16 years 6 days ago
2005
ACM
Web image search has been explored and developed in academic as well as commercial areas for over a decade. To measure the similarity between Web images and user queries, most of ...
170
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SIGIR
2005
ACM
16 years 6 days ago
2005
ACM
We present a model, based on the maximum entropy method, for analyzing various measures of retrieval performance such as average precision, R-precision, and precision-at-cutoffs....