The Ontology Representation and Data Integration (ORDI) Framework is an open-source ontology middleware. Development of the second generation of ORDI (ORDI SG) is partially funded by EC 6th Framework Programme, Information Society Technologies (IST) projects TripCom and TAO. ORDI is used as ontology management and data integration middleware in several projects and products, among which: OWLIM, KIM, SemanticGov, MediaCampaign, RASCALLI.
ORDI is a Java middleware framework enabling enterprise data integration via RDF-like data model. The ORDI data model introduces some basic notions and data-structures, which are then used for ontology and data representation. The model is in no way ontology-specific – it allows representation of any structured data. It does not prescribe any sort of semantics and epistemology. Therefore it is left to the higher levels, as well as to the specific implementations and applications, to impose a further interpretation over it. In other words, the ORDI data model is neutral in terms of interpretation (or semantics) – it provides freedom of choice of a data-source or a reasoning service to interpret its data accordingly in order to derive the desired results, i.e. to answer questions related to the existing data or to infer new data. We ground our data representation to an RDF-compatible data model, since it is well-founded and detached from the semantics of the various knowledge representations, ontology, and semantic Web languages used today.
ORDI provides support for:
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