2889 search results - page 347 / 578 » Querying Structured Hyperdocuments |
165
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TKDE
2002
15 years 6 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
171
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CP
2010
Springer
15 years 5 months ago
2010
Springer
We study the expressibility problem: given a finite constraint language Γ on a finite domain and another relation R, can Γ express R? We prove, by an explicit family of example...
170
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IPL
2010
15 years 5 months ago
2010
We derive a new generalization of lowest common ancestors (LCAs) in dags, called the lowest single common ancestor (LSCA). We show how to preprocess a static dag in linear time su...
137
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PVLDB
2010
15 years 5 months ago
2010
We demonstrate an efficient LINQ to SQL provider and its significant impact on the runtime performance of LINQ programs that process large data volumes. This alternative provider...
216
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ICTAI
2010
IEEE
15 years 4 months ago
2010
IEEE
Many applications call for methods to enable automatic extraction of structured information from unstructured natural language text. Due to inherent challenges of natural language ...