2853 search results - page 396 / 571 » On the Efficiency of Provenance Queries |
171
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
156
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...
154
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
171
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IPPS
2007
IEEE
16 years 25 days ago
2007
IEEE
1 The unstructured Peer-to-Peer (P2P) systems usually use a “blind search” method to find the requested data object by propagating a query to a number of peers randomly. In or...
154
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ADBIS
2007
Springer
16 years 22 days ago
2007
Springer
The semantics of a new language (CUDL – Conceptual Universal Database Language), designed to manage dynamic database environments, are presented. This language conforms to the FD...