7576 search results - page 169 / 1516 » On Querying Ontologies and Databases |
182
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CIKM
1994
Springer
15 years 10 months ago
1994
Springer
This paper argues that most queries in object-oriented databases require traversing from one object to another in the aggregation hierarchy. Thus, the connections between objects ...
200
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JIDM
2010
15 years 1 months ago
2010
The increasing volume of data stored as XML documents makes fragmentation techniques an alternative to the performance issues in query processing. Fragmented databases are feasible...
153
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ESWS
2009
Springer
16 years 23 days ago
2009
Springer
This paper describes an ontology-based service discovery front-end interface for GloServ. GloServ is a service discovery engine, which is an ontologybased distributed service disco...
172
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
In this paper we address the problem of ensuring the correctness of query results returned by an untrusted private database. The database owns the data and may modify it at any ti...
168
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ICDE
2007
IEEE
16 years 15 days ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...