845 search results - page 14 / 169 » Describing and Using Query Capabilities of Heterogeneous Sou... |
AMAI
2005
Springer
14 years 11 months ago
2005
Springer
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
101
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DEXAW
2005
IEEE
15 years 5 months ago
2005
IEEE
Increasing popularity of XML and P2P networks has generated much interest in distributed processing of XML data. We propose a novel solution organized around a mediator capable of...
102
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VL
1999
IEEE
15 years 4 months ago
1999
IEEE
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...
112
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DILS
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. We present INDUS (Intelligent Data Understanding System), a federated, query-centric system for knowledge acquisition from autonomous, distributed, semantically heterogen...
106
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DEXAW
2007
IEEE
15 years 3 months ago
2007
IEEE
The vision of the Semantic Web is to make Web content machine-readable. To describe data, the Resource Description Framework has been extended with a schema-level and description ...