3836 search results - page 573 / 768 » Semantics of Database Transformations |
228
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VLDB
2008
ACM
16 years 4 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
222
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Data lineage and data provenance are key to the management of scientific data. Not knowing the exact provenance and processing pipeline used to produce a derived data set often re...
228
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
217
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
We introduce a method to discover optimal local patterns, which concisely describe the main trends in a time series. Our approach examines the time series at multiple time scales ...
222
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
We introduce XPORT, a profile-driven distributed data dissemination system that supports an extensible set of data types, profile types, and optimization metrics. XPORT efficientl...