486 search results - page 57 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
110
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ICDE
2005
IEEE
15 years 7 months ago
2005
IEEE
Various index structures have been proposed to speed up the evaluation of XML path expressions. However, existing XML path indices suffer from at least one of three limitations: ...
160
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ICDT
2010
ACM
15 years 4 months ago
2010
ACM
Stochastic context-free grammars (SCFGs) have long been recognized as useful for a large variety of tasks including natural language processing, morphological parsing, speech reco...
130
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EDBT
2004
ACM
16 years 1 months ago
2004
ACM
OGSA-DQP is a distributed query processor exposed to users as an Open Grid Services Architecture (OGSA)-compliant Grid service. This service supports the compilation and evaluation...
119
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WEBDB
2005
Springer
15 years 7 months ago
2005
Springer
In recent years it has been argued that when XML encodings become complex, DOM trees are no longer adequate for query processing. Alternative representations of XML documents, suc...
170
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VLDB
2007
ACM
16 years 1 months ago
2007
ACM
Evaluation of twig queries over probabilistic XML is investigated. Projection is allowed and, in particular, a query may be Boolean. It is shown that for a well-known model of pro...