2853 search results - page 454 / 571 » On the Efficiency of Provenance Queries |
279
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VLDB
2003
ACM
16 years 6 months ago
2003
ACM
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
244
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
135
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
We study the expressiveness and performance of full-text search languages. Our main motivation is to provide a formal basis for comparing such languages and to develop a model for...
150
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ICIAP
2005
ACM
16 years 6 months ago
2005
ACM
Automatic recognition of time and date stamps in CCTV video enables the inclusion of time-based queries in video indexing applications. Such ability needs to deal with problems of ...
171
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PERCOM
2005
ACM
16 years 6 months ago
2005
ACM
We present the design goals and functional components of MASTAQ, a data management middleware for pervasive applications that utilize sensor data. MASTAQ allows applications to sp...