688 search results - page 42 / 138 » A Concept Hierarchy Based Ontology Mapping Approach |
AAAI
1997
13 years 9 months ago
1997
Our goal is to build knowledge-based systems capable of answering a wide variety of questions, including questions that are unanticipated when the knowledge base is built. For sys...
CADE
2006
Springer
14 years 8 months ago
2006
Springer
CEL (Classifier for EL) is a reasoner for the small description logic EL+ which can be used to compute the subsumption hierarchy induced by EL+ ontologies. The most distinguishing ...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Ontologies underpin the semantic web; they define the concepts and their relationships contained in a data source. An increasing number of ontologies are available on-lin...
SEMWEB
2007
Springer
14 years 1 months ago
2007
Springer
In this paper we address the problem of migrating instances between heterogeneous overlapping ontologies. The instance migration problem arises when one wants to reclassify a set o...
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Ontologies are tools for describing and structuring knowledge, with many applications in searching and analyzing complex knowledge bases. Since building them manually is ...