7607 search results - page 238 / 1522 » Querying data provenance |
313
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
178
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DASFAA
2008
IEEE
16 years 1 months ago
2008
IEEE
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
206
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MOBIQUITOUS
2005
IEEE
16 years 6 days ago
2005
IEEE
Recent research has led to the advent of software systems capable of performing query processing in sensor networks. They perform query processing in a sensor network by construct...
198
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ECIR
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
173
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
In this study, we present experiences of parallelizing XPath queries using the Xalan XPath engine on shared-address space multi-core systems. For our evaluation, we consider a sce...