8349 search results - page 170 / 1670 » Introduction to Information Retrieval |
126
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AINA
2007
IEEE
15 years 11 months 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...
122
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CBMS
2007
IEEE
15 years 11 months 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...
145
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ICDM
2007
IEEE
15 years 11 months 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...
154
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ICMCS
2006
IEEE
15 years 10 months ago
2006
IEEE
Image retrieval has been widely used in many fields of science and engineering. The semantic concept of user interest is obtained by a learning process. Traditional techniques oft...
141
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ICALP
2005
Springer
15 years 10 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...