267 search results - page 9 / 54 » Constraint-Based XML Query Rewriting For Data Integration |
109
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DGO
2004
14 years 11 months ago
2004
This paper describes a Web-based query system for semantically heterogeneous government-produced data. Geospatial Web-based information systems and portals are currently being dev...
107
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WWW
2005
ACM
15 years 3 months ago
2005
ACM
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
KES
2007
Springer
15 years 3 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...
WWW
2004
ACM
15 years 10 months ago
2004
ACM
This paper presents a system for efficient data transformations between XML and relational databases, called XML Data Mediator (XDM). XDM enables the transformation by externalizi...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
A lot of recent research has focused on the content-based dissemination of XML data. However, due to the heterogeneous data schemas used by different data publishers even for data...