4698 search results - page 389 / 940 » Making Functionality More General |
147
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SIGIR
2011
ACM
14 years 7 months ago
2011
ACM
We reveal that the Okapi BM25 retrieval function tends to overly penalize very long documents. To address this problem, we present a simple yet effective extension of BM25, namel...
205
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AI
1998
Springer
15 years 4 months ago
1998
Springer
Reinforcement Learning (RL) is the study of programs that improve their performance by receiving rewards and punishments from the environment. Most RL methods optimize the discoun...
170
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FOCS
1999
IEEE
15 years 9 months ago
1999
IEEE
Various efforts ([?, ?, ?]) have been made in recent years to derandomize probabilistic algorithms using the complexity theoretic assumption that there exists a problem in E = dti...
160
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WSDM
2009
ACM
15 years 12 months ago
2009
ACM
The ranking function used by search engines to order results is learned from labeled training data. Each training point is a (query, URL) pair that is labeled by a human judge who...
162
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SACMAT
2005
ACM
15 years 10 months ago
2005
ACM
As a major component of any host, or network operating system, access control mechanisms come in a wide variety of forms, each with their individual attributes, functions, methods...