344 search results - page 28 / 69 » A Semantic Approach to Query Rewriting for Integrated XML Da... |
PODS
2010
ACM
14 years 20 days ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
IDEAS
2002
IEEE
14 years 16 days ago
2002
IEEE
As the Internet is a global network, there is a demand on accessing closely related data without browsing through di erent Web documents. A signi cant amount of these data are pre...
BXML
2003
13 years 9 months ago
2003
We present an approach of how to automatically extract an XML document structure from a conceptual data model that describes the content of the document. We use UML class diagrams ...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
IJCSA
2006
13 years 7 months ago
2006
The explosion of the number of web-based information sources has drastically increased the need for intelligent mediation tools to be implemented between the users and these infor...