938 search results - page 21 / 188 » Space-Efficient Algorithms for Document Retrieval |
111
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AINA
2009
IEEE
14 years 9 months ago
2009
IEEE
Searching very large collections can be costly in both computation and storage. To reduce this cost, recent research has focused on reducing the size (pruning) of the inverted ind...
108
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SIGIR
2004
ACM
15 years 5 months ago
2004
ACM
Noun phrases in queries are identified and classified into four types: proper names, dictionary phrases, simple phrases and complex phrases. A document has a phrase if all content...
CIKM
2007
Springer
15 years 5 months ago
2007
Springer
Modern web search engines are expected to return top-k results efficiently given a query. Although many dynamic index pruning strategies have been proposed for efficient top-k com...
SIGIR
2004
ACM
15 years 5 months ago
2004
ACM
We discuss a retrieval model in which the task is to complete a sentence, given an initial fragment, and given an application specific document collection. This model is motivate...
112
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JCDL
2006
ACM
15 years 5 months ago
2006
ACM
Document clustering has been used for better document retrieval, document browsing, and text mining in digital library. In this paper, we perform a comprehensive comparison study ...