2724 search results - page 265 / 545 » Optimizing Queries on Files |
140
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VLDB
2005
ACM
15 years 10 months ago
2005
ACM
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
141
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ISNN
2010
Springer
15 years 9 months ago
2010
Springer
Preference elicitation (PE) is an important component of interactive decision support systems that aim to make optimal recommendations to users by actively querying their preferen...
143
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COMPGEOM
1997
ACM
15 years 8 months ago
1997
ACM
Abstract. In the context of methodologies intended to confer robustness to geometric algorithms, we elaborate on the exact-computation paradigm and formalize the notion of degree o...
152
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DMSN
2007
ACM
15 years 8 months ago
2007
ACM
Many sensor network applications monitor continuous phenomena by sampling, and fit time-varying models that capture the phenomena's behaviors. We introduce Pulse, a framework...
154
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EDBTW
2006
Springer
15 years 8 months ago
2006
Springer
One of the goals of cleaning an inconsistent database is to remove conflicts between tuples. Typically, the user specifies how the conflicts should be resolved. Sometimes this spec...