2217 search results - page 187 / 444 » Rank-aware Query Optimization |
158
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
201
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EWDW
1994
15 years 10 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
179
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WEBDB
2000
Springer
15 years 10 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
168
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IIWAS
2004
15 years 7 months ago
2004
Access to different and remote sources with heterogeneous formats is one of the most important challenges in Enterprise Information Integration. Even though there exists an increa...
128
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SIGMOD
1996
ACM
15 years 10 months ago
1996
ACM
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...