14248 search results - page 128 / 2850 » Queries |
BNCOD
2004
13 years 11 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...
DLOG
2006
13 years 11 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...
DS
1997
13 years 11 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...
VDB
2000
13 years 11 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 ...
CORR
1999
Springer
13 years 9 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...