2 papers
cs.AI2016
Mapping Data to Ontologies with Exceptions Using Answer Set Programming
Daniel P. Lupp, Evgenij Thorstensen
In ontology-based data access, databases are connected to an ontology via mappings from queries over the database to queries over the ontology. In this paper, we consider mappings…
cs.AI2015
Structural Decompositions for Problems with Global Constraints
Evgenij Thorstensen
A wide range of problems can be modelled as constraint satisfaction problems (CSPs), that is, a set of constraints that must be satisfied simultaneously. Constraints can either be…