44 search results - page 5 / 9 » Query Propagation in a P2P Data Integration System in the Pr... |
GLOBE
2009
Springer
14 years 2 days ago
2009
Springer
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
DASFAA
2003
IEEE
14 years 22 days ago
2003
IEEE
Various models and approaches have been proposed for mapping XML data into relational tables recently. Most of those approaches produce relational schema for given XML data, based...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semiautomatic manner without relying on pre-existing, global seman...
TC
1998
13 years 8 months ago
1998
Data integrity policies often require that quality and integrity metadata be generated and communicated to potential users. However, in data warehouses, federations, and other mul...
PVLDB
2008
13 years 7 months ago
2008
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...