48 search results - page 1 / 10 » Open and Closed World Assumptions in Data Exchange |
DLOG
2009
13 years 6 months ago
2009
PODS
2008
ACM
14 years 5 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
AGP
2003
IEEE
13 years 10 months 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...
OWLED
2008
13 years 6 months ago
2008
In many data-centric applications it is desirable to use OWL as an expressive schema language where one expresses constraints that need to be satisfied by the (instance) data. Howe...
LPNMR
2005
Springer
13 years 10 months ago
2005
Springer