5643 search results - page 187 / 1129 » Retrieval Evaluation in Practice |
185
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SIGIR
2010
ACM
15 years 6 months ago
2010
ACM
The Quantum Probability Ranking Principle (QPRP) has been recently proposed, and accounts for interdependent document relevance when ranking. However, to be instantiated, the QPRP...
199
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IWC
1998
15 years 6 months ago
1998
The aim of an information retrieval system is to nd relevant documents, thus relevance is a (if not `the') central concept of information retrieval. Notwithstanding its impor...
167
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ICC
1997
IEEE
15 years 10 months ago
1997
IEEE
: Practical realizations of the optimum closed loop structure for coherent demodulation of QPSK signals demands the approximation of the hyperbolic tangent nonlinearity (Tanh) with...
152
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CIKM
2007
Springer
16 years 23 days ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...
177
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WEBDB
2005
Springer
16 years 1 days ago
2005
Springer
Querying document-centric XML collections with structure conditions improves retrieval precisions. The structures of such XML collections, however, are often too complex for users...