344 search results - page 8 / 69 » A Semantic Approach to Query Rewriting for Integrated XML Da... |
162
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AICOM
2004
15 years 3 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
143
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ER
2003
Springer
15 years 9 months ago
2003
Springer
While the Internet has facilitated access to information sources, the task of scalable integration of these heterogeneous data sources remains a challenge. The adoption of the eXte...
153
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
142
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KES
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. Access control for semi-structured data is nontrivial, as witnessed by the number of access control approaches in recent literature. Recently a case has been made for exp...
168
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CATA
2003
15 years 5 months ago
2003
The problems of accessing and integrating heterogeneous information sources are becoming centerstage problems. One problem arising from accessing heterogeneous sources is semantic...