4616 search results - page 413 / 924 » Beyond relational databases |
197
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SIGMOD
2002
ACM
16 years 7 months ago
2002
ACM
Ontologies in current computer science parlance are computer based resources that represent agreed domain semantics. Unlike data models, the fundamental asset of ontologies is the...
179
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WAIM
2007
Springer
16 years 1 months ago
2007
Springer
The DBMS performance might change by allocating resources and by performing a specific kind of workload. Database administrators should be able to identify relative resources that ...
187
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PODS
2005
ACM
16 years 13 days ago
2005
ACM
The full disjunction is a variation of the join operator that maximally combines tuples from connected relations, while preserving all information in the relations. The full disju...
203
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CIKM
2005
Springer
16 years 12 days ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
205
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ICDT
2001
ACM
15 years 11 months ago
2001
ACM
In information-integration systems, source relations often have limitations on access patterns to their data; i.e., when one must provide values for certain attributes of a relatio...