14161 search results - page 2621 / 2833 » On generalized middle-level problem |
172
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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...
170
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
A number of online video social networks, out of which YouTube is the most popular, provides features that allow users to post a video as a response to a discussion topic. These f...
178
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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...
197
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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...
157
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SOUPS
2009
ACM
16 years 1 months ago
2009
ACM
For privacy reasons, sensitive content may be revised before it is released. The revision often consists of redaction, that is, the “blacking out” of sensitive words and phras...