3269 search results - page 282 / 654 » Query Optimization for XML |
149
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
139
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CIA
1998
Springer
15 years 9 months ago
1998
Springer
In a simple cooperative MAS model where a collection of "querying agents" can send queries to a collection of "information agents", we formalize the problem of ...
155
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DLOG
2007
15 years 7 months ago
2007
Abstract. There has been an increased interest in recent years to incorporate uncertainty in Description Logics (DLs), and a number of proposals have been put forward for modeling ...
158
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VLDB
2011
ACM
14 years 11 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
181
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WWW
2010
ACM
15 years 11 months ago
2010
ACM
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...