617 search results - page 108 / 124 » Semantic queries in databases: problems and challenges |
BTW
2007
Springer
14 years 23 days ago
2007
Springer
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
ICDE
2009
IEEE
14 years 3 months ago
2009
IEEE
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...
WEBDB
2009
Springer
14 years 3 months ago
2009
Springer
We study the problem of schema evolution in the RDF data model. RDF and the RDFS schema language are W3C standards for flexibly modeling and sharing data on the web. Although sch...
EFDBS
2001
13 years 10 months ago
2001
In this work, we consider augmenting SQL with constructs allowing dynamic restructuring. Dynamic restructuring occurs naturally in a framework including second-order capabilities f...
SMC
2010
IEEE
13 years 7 months ago
2010
IEEE
—Deep Web contents are accessed by queries submitted to Web databases and the returned data records are enwrapped in dynamically generated Web pages (they will be called deep Web...