22 search results - page 2 / 5 » Expressive Approximations in DL-Lite Ontologies |
WISE
2005
Springer
13 years 11 months ago
2005
Springer
Abstract. Approximation has been identified as a potential way of reducing the complexity of logical reasoning. Here we explore approximation for speeding up instance retrieval in...
CONTEXT
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. In this paper, we propose a general model of schema matching based on the following ideas: on the one hand, a schema is viewed as a context (namely as a partial and appro...
DLOG
2007
13 years 7 months ago
2007
Abstract. Concept approximation is an inference service for Description Logics that provides “translations” of concept descriptions from one DL to a less expressive DL. In [4] ...
IEEEICCI
2003
IEEE
13 years 10 months ago
2003
IEEE
In this paper, we focus on lexical semantics, a key issue in Natural Language Processing (NLP) that tends to converge with conceptual Knowledge Representation (KR) and ontologies....
FQAS
2009
Springer
13 years 10 months ago
2009
Springer
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...