2629 search results - page 295 / 526 » complex 2009 |
154
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SIGSOFT
2009
ACM
16 years 5 months ago
2009
ACM
Search computing is a novel discipline whose goal is to answer complex, multi-domain queries. Such queries typically require combining in their results domain knowledge extracted ...
227
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
235
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
A Business Process (BP) consists of some business activities undertaken by one or more organizations in pursuit of some business goal. Tools for querying and analyzing BP specific...
235
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
We study containment and equivalence of (unions of) conjunctive queries on relations annotated with elements of a commutative semiring. Such relations and the semantics of positiv...
235
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
Partitioning is an important step in several database algorithms, including sorting, aggregation, and joins. Partitioning is also fundamental for dividing work into equal-sized (o...