Supplementary of JPN-P (expert contribution) OKABE, Masao WG2 N1267

2009/6/24 2 So-called “Meaning Triangle” CONCEPT Referent Refers To Symbolizes Stands For “Rose”, “ClipArt”  Real world  Representation world  Concept world Source:Emerging Semantic Technology Standards by Bruce Bargmeye, OFMR2009, Seoul

2009/6/24 3 Meaning triangle and ISO CONCEPT Referent Refers To Symbolizes Stands For “Rose”, “ClipArt”  Real world 3.2 Concept 3.4 Designations 3.5 Terminology 3.3 Definition ISO uses the framework of “Meaning triangle” Example: Object, Subject field Example: concept, concept system Example: designation, nomenclature, definition 3.1 (Language and) reality  Representation world  Concept world

2009/6/24 4 ISO and MDR CONCEPT Referent Refers To Symbolizes Stands For “Rose”, “ClipArt”  Real world 3.2 Concept 3.4 Designations 3.5 Terminology 3.3 Definition Example: concept, concept system Example: designation, nomenclature, definition  Representation world  Concept world MDR Example: Concept, Concept_System Very confusing

2009/6/24 5 Meaning triangle and RDF, OWL, Common Logic etc. A model, which is an interpretation that makes all the sentences true, may be interpreted as a concept system since it is a kind of function from Representation world. Most of ontology languages such as RDF, OWL, Common Logic etc. handles Real world and Representation world only. CONCEPT Referent Refers To Symbolizes Stands For “Rose”, “ClipArt”  Real world 3.2 Concept 3.4 Designations 3.5 Terminology 3.3 Definition 3.1 (Language and) reality  Representation world  Concept world

2009/6/24 6 MDR and RDF, OWL, Common Logic etc. CONCEPT Referent Refers To Symbolizes Stands For “Rose”, “ClipArt”  Real world 3.2 Concept 3.4 Designations 3.5 Terminology 3.3 Definition 3.1 (Language and) reality  Representation world  Concept world RDF, OWL, Common Logic etc. represent Real world MDR MDR represents Concept world RDF, OWL, Common Logic etc.

2009/6/24 7 Inconsistency of term definition in MDR CONCEPT Referent Refers To Symbolizes Stands For “Rose”, “ClipArt”  Real world 3.2 Concept Concept and relation lie in the different world. (cf. JPN-p01-005) Example: concept, concept systemC  Representation world  Concept world MDR uses the definitions of ISO for concept and concept system. Relation is defined in terms of universe of discourse in MDR. Universe of discourse lies in Real world both in the sense of TR9007 and ISO/IEC Common Logic. relation, universe of discourse