2853 search results - page 176 / 571 » On the Efficiency of Provenance Queries |
181
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CORR
2006
Springer
15 years 6 months ago
2006
Springer
We present a decomposition-based approach to managing probabilistic information. We introduce world-set decompositions (WSDs), a space-efficient and complete representation system ...
173
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DASFAA
2007
IEEE
15 years 10 months ago
2007
IEEE
Label stream partition is a useful technique to reduce the input I/O cost of holistic twig join by pruning useless streams beforehand. The Prefix Path Stream (PPS) partition scheme...
169
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ESOP
2009
Springer
15 years 10 months ago
2009
Springer
The context-free language (CFL) reachability problem is well known and studied in computer science, as a fundamental problem underlying many important static analyses such as point...
178
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ICDIM
2007
IEEE
15 years 10 months ago
2007
IEEE
We propose an XML storage scheme based on Document Table Model (DTM) which expresses an XML document as a table form. When performing query processing on large scale XML data, XML...
156
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RIAO
2007
15 years 8 months ago
2007
Web semantic access in specific domains calls for specialized search engines with enhanced semantic querying and indexing capacities, which pertain both to information retrieval (...