2223 search results - page 185 / 445 » Query Optimization in an OODBMS |
117
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WWW
2008
ACM
16 years 4 months ago
2008
ACM
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
137
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WECWIS
2009
IEEE
15 years 10 months ago
2009
IEEE
Complex Event Processing (CEP) systems are capable of processing large amounts of events, utilizing them to monitor, steer and optimize business in real time. The lack of tracking...
115
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DOLAP
2006
ACM
15 years 10 months ago
2006
ACM
In this paper we perform an extensive theoretical and experimental study on common synopsis construction algorithms, with emphasis on wavelet based techniques, that take under con...
139
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ICDT
2003
ACM
15 years 9 months ago
2003
ACM
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
139
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COOPIS
2002
IEEE
15 years 9 months ago
2002
IEEE
Mobile services offering multi-feature query capabilities must meet tough response time requirements to gain customer acceptance. The top-k query model is a popular candidate to im...