A translation approach to portable ontology specifications
Knowledge Acquisition - Special issue: Current issues in knowledge modeling
Understanding, building and using ontologies
International Journal of Human-Computer Studies
Information-Flow-Based Ontology Mapping
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
Specifying Open GIS with Functional Languages
SSD '95 Proceedings of the 4th International Symposium on Advances in Spatial Databases
Ontology mapping: the state of the art
The Knowledge Engineering Review
Semantic integration: a survey of ontology-based approaches
ACM SIGMOD Record
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Within the last years, many ontologies are created and are accessible over the web. On the other hand, ontologies are used in many applications to explicit formalization of the conceptualization of the domain, but a given domain can be conceptualized through many different ontologies. Thus multiples ontologies connected by semantic relations emerge as a core question and became an essential issue of interoperability between distributed applications over the web. In this paper, we present a model and methodology for describing ontologies according to different levels of abstraction. The functional level contains generic ontologies and the domain level contains domain ontologies. The latter are described from the former by using a derivation process. The proposed formalism is based on an algebraic approach and it allows to capture the relations over different described ontologies.