20294 search results - page 451 / 4059 » Algorithmic Information Theory |
229
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CSREASAM
2006
15 years 9 months ago
2006
Current computer security systems are based on the premise that once a user presents valid credentials to the authentication system (e.g. valid ID and password), they are granted ...
241
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SAC
2008
ACM
15 years 7 months ago
2008
ACM
A major obstacle that decreases the performance of text classifiers is the extremely high dimensionality of text data. To reduce the dimension, a number of approaches based on rou...
186
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SIGIR
2009
ACM
16 years 2 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
220
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CIKM
2007
Springer
16 years 1 months ago
2007
Springer
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
356
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POPL
2003
ACM
16 years 8 months ago
2003
ACM
We present a new polynomial-time randomized algorithm for discovering affine equalities involving variables in a program. The key idea of the algorithm is to execute a code fragme...