845 search results - page 14 / 169 » Describing and Using Query Capabilities of Heterogeneous Sou... |
AMAI
2005
Springer
13 years 8 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...
DEXAW
2005
IEEE
14 years 2 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...
VL
1999
IEEE
14 years 1 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...
DILS
2005
Springer
14 years 2 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...
DEXAW
2007
IEEE
14 years 20 days 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 ...