3969 search results - page 294 / 794 » Query Processing Using Ontologies |
160
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...
154
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WISE
2009
Springer
16 years 1 months ago
2009
Springer
ct One significant effort towards combining the virtues of Web search, viz. being accessible to untrained users and able to cope with vastly heterogeneous data, with those of dat...
237
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
147
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PVLDB
2010
15 years 2 months ago
2010
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
167
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JBI
2011
14 years 11 months ago
2011
We are developing a set of ontologies that deal with vector-borne diseases and the arthropod vectors that transmit them. For practical reasons (application priorities), we initiat...