48 search results - page 5 / 10 » Locally Consistent Transformations and Query Answering in Da... |
FOIKS
2004
Springer
13 years 10 months ago
2004
Springer
When two or more databases are combined into a global one, integrity may be violated even when each database is consistent with its own local integrity constraints. Efficient metho...
WIDM
2003
ACM
14 years 4 days ago
2003
ACM
Whenever XML data must be shared by heterogeneous applications, transformations between different applicationspecific XML formats are necessary. The state-of-the-art method transf...
DASFAA
2007
IEEE
14 years 1 months ago
2007
IEEE
XML is by now the de facto standard for exporting and exchanging data on the web. The need for querying XML data sources whose structure is not fully known to the user and the need...
AGP
2003
IEEE
14 years 5 days ago
2003
IEEE
Abstract The Semantic Web (SW) can be seen as abstract representation and exchange of data and metadata. Metadata is given in terms of data mark-up and reference to shared, Web-acc...
LPNMR
2005
Springer
14 years 11 days ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...