14248 search results - page 128 / 2850 » Queries |
104
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BNCOD
2004
15 years 3 months ago
2004
When storing data in heterogeneous databases, one of the top-down design issues concerns the usage of multiple query languages. A common language enables querying of database schem...
134
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DLOG
2006
15 years 3 months ago
2006
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present algorithms for conjunctive query answerin...
115
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DS
1997
15 years 3 months ago
1997
The ODMG proposal has helped to focus the work on object-oriented databases (OODBs) onto a common object model and query language. Nevertheless there are several shortcomings of t...
123
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VDB
2000
15 years 3 months ago
2000
In this paper we propose a visual interface for the specification of predicates to be used in queries on spatio-temporal databases. The approach is based on a visual specification ...
127
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CORR
1999
Springer
15 years 2 months ago
1999
Springer
A query routing broker is a software agent that determines from a large set of accessing information sources the ones most relevant to a user's information need. As the numbe...