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DBA
2004
13 years 7 months ago
2004
In order to guarantee efficient query processing together with industrial strength, spatial index structures have to be integrated into fully-fledged object-relational database ma...
DBA
2004
13 years 7 months ago
2004
This paper discusses how to extend the applicability of the recursive cascade update command of the Xplain query language. This command guarantees termination because cycle detect...
DBA
2004
2004
A Tool for Transforming Conceptual Schemas of Spatio-Temporal Databases with Multiple Representation
13 years 7 months ago
Nowadays, classical conceptual models (such as ER or UML) are used for designing database applications. These classical conceptual models usually come with associated CASE tools a...
COMCOM
2004
13 years 5 months ago
2004
Multi-class network is becoming a more attractive solution to provide Quality-of-Service guarantee, as more quality-demanding applications are emerging. This research considers ne...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...