815 search results - page 32 / 163 » Ontology-based integration for relational databases |
ICDT
2012
ACM
12 years 3 days ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ADC
2009
Springer
14 years 4 months ago
2009
Springer
Due to the popularity of mobile devices, more and more commercial applications have been developed on these devices. While commercial applications are mostly backed by relational ...
IDEAS
2002
IEEE
14 years 2 months 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...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
We address the problem of efficiently constructing materialized XML views of relational databases. In our setting, the XML view is specified by a query in the declarative query la...
GLOBE
2009
Springer
14 years 2 months 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...