117 search results - page 1 / 24 » Open Constraints in a Closed World |
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...
CPAIOR
2006
Springer
13 years 8 months ago
2006
Springer
We study domain filtering algorithms for open constraints, i.e., constraints that are not a priori defined on specific sets of variables. We present an efficient filtering algorith...
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...
AAAI
2010
13 years 6 months ago
2010
In this paper, we present an integrated planning and robotic architecture that actively directs an agent engaged in an urban search and rescue (USAR) scenario. We describe three s...
TPLP
2010
13 years 3 months ago
2010
The need for integration of ontologies with nonmonotonic rules has been gaining importance in a number of areas, such as the Semantic Web. A number of researchers addressed this p...