10459 search results - page 311 / 2092 » Multimedia Information Retrieval |
159
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. Modern document collections often contain groups of documents with overlapping or shared content. However, most information retrieval systems process each document separa...
153
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AINA
2007
IEEE
16 years 18 days ago
2007
IEEE
Distributed Hash Tables (DHTs) are very efficient for querying based on key lookups, if only a small number of keys has to be registered by each individual peer. However, building...
144
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CBMS
2007
IEEE
16 years 18 days ago
2007
IEEE
This paper focuses on the problem of representing, in a meaningful way, the knowledge involved in the HealthAgents project. Our work is motivated by the complexity of representing...
172
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ICDM
2007
IEEE
16 years 17 days ago
2007
IEEE
Most topic models, such as latent Dirichlet allocation, rely on the bag-of-words assumption. However, word order and phrases are often critical to capturing the meaning of text in...
167
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ICALP
2005
Springer
15 years 11 months ago
2005
Springer
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...