2853 search results - page 117 / 571 » On the Efficiency of Provenance Queries |
267
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
168
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SIGIR
2009
ACM
16 years 28 days 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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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...
177
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ALT
2005
Springer
16 years 3 months ago
2005
Springer
In language learning, strong relationships between Gold-style models and query models have recently been observed: in some quite general setting Gold-style learners can be replaced...
208
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BMCBI
2008
15 years 6 months ago
2008
Background: Ontologies such as the Gene Ontology can enable the construction of complex queries over biological information in a conceptual way, however existing systems to do thi...