344 search results - page 8 / 69 » A Semantic Approach to Query Rewriting for Integrated XML Da... |
AICOM
2004
13 years 7 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...
ER
2003
Springer
14 years 22 days 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...
EDBT
2008
ACM
14 years 7 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...
KES
2007
Springer
14 years 1 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...
CATA
2003
13 years 9 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...