11740 search results - page 2137 / 2348 » More Problems in Rewriting |
183
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RECSYS
2009
ACM
16 years 1 months ago
2009
ACM
A functional dependency is a logical relationship amongst the attributes that define a table of data. Specifically, a functional dependency holds when the values of a subset of ...
202
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SACMAT
2009
ACM
16 years 1 months ago
2009
ACM
Modern operating systems primarily use Discretionary Access Control (DAC) to protect files and other operating system resources. DAC mechanisms are more user-friendly than Mandat...
178
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
180
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
The selection of indexing terms for representing documents is a key decision that limits how effective subsequent retrieval can be. Often stemming algorithms are used to normaliz...
203
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
As an indispensable technique in the field of Information Filtering, Recommender System has been well studied and developed both in academia and in industry recently. However, mo...