1179 search results - page 29 / 236 » Query Containment for Data Integration Systems |
VISUALIZATION
1993
IEEE
15 years 1 months ago
1993
IEEE
In this paper, we describe a database query system that provides visual relevance feedback in querying large databases. The goal of our system is to support the query specificati...
CAISE
2003
Springer
15 years 2 months ago
2003
Springer
Understanding the performance and dynamic behavior of workflow is crucial in being able to modify, maintain, and improve it. A particularly difficult aspect of measuring the perfor...
104
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ICDE
2005
IEEE
15 years 3 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
167
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GIS
2004
ACM
15 years 10 months ago
2004
ACM
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
We present an architecture and a set of challenges for peer database management systems. These systems team up to build a network of nodes (peers) that coordinate at run time most...