26 search results - page 1 / 6 » Data exchange and schema mappings in open and closed worlds |
PODS
2008
ACM
14 years 4 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...
DLOG
2009
13 years 5 months ago
2009
ICDT
2010
ACM
13 years 8 months ago
2010
ACM
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
PODS
2008
ACM
14 years 4 months ago
2008
ACM
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
OWLED
2008
13 years 5 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...