ISO TC37/SC4 N429ISO TC37/SC4 N429

ISO/TC37/SC4/TDG6ISO/TC37/SC4/TDG6

Language Resource OntologiesLanguage Resource Ontologies

2007-11-11/12, Busan2007-11-11/12, BusanHASIDA KoitiHASIDA Koitihasida.k@aist.go.jphasida.k@aist.go.jpITRI, AIST, JapanITRI, AIST, Japan

AgendaAgenda1st Day (Sunday, November 11, 2007)1st Day (Sunday, November 11, 2007)

16:30/16:45 Introduction to ISO/TC37/SC4/TDG6 16:30/16:45 Introduction to ISO/TC37/SC4/TDG6 (Koiti Hasida)(Koiti Hasida)

16:45/18:00 RDF Issues (Koiti Hasida, etc.)16:45/18:00 RDF Issues (Koiti Hasida, etc.)18:00/18:15 break18:00/18:15 break18:15/20:00 Ontology Issues (Paul Buitelaar, Aldo 18:15/20:00 Ontology Issues (Paul Buitelaar, Aldo

Gangemi, etc.)Gangemi, etc.)(Dinner will be provided for the participants)(Dinner will be provided for the participants)

2nd Day (Monday, November 12, 2007)2nd Day (Monday, November 12, 2007)15:00/16:30 Ontology of Taxonomies (Bodil Nistrup 15:00/16:30 Ontology of Taxonomies (Bodil Nistrup

Madsen)Madsen)16:30/16:40 break16:30/16:40 break16:40/17:20 Ontology Work Guide for Web Content 16:40/17:20 Ontology Work Guide for Web Content

(Miran Choi)(Miran Choi)17:20/18:00 Wrap-Up17:20/18:00 Wrap-Up

2

OntologizationOntologizationontology-based reformulationontology-based reformulation

Most current standards are based on XML and Most current standards are based on XML and lack formal metamodeling tools.lack formal metamodeling tools.

not XML but RDF as base description and not XML but RDF as base description and modeling toolmodeling toolSemantic interpretation is standardized not for Semantic interpretation is standardized not for

XML but for RDF.XML but for RDF.something like N3 for textual representationsomething like N3 for textual representation

ontology as schemaontology as schemanot DTD, XML Schema, RELAXNG, etc.not DTD, XML Schema, RELAXNG, etc.

6

Motivations of Motivations of OntologizationOntologization

Lack of formal tool by which to Lack of formal tool by which to write schemas fully addressing the write schemas fully addressing the specifications.specifications.

DCR model lacks descriptive DCR model lacks descriptive power.power.

7

DiscussionDiscussion

What’s essential is the graph What’s essential is the graph model.model.

Textual representation is not Textual representation is not essential.essential.

But people tend to specify XML But people tend to specify XML representation, etc. W3C insist on representation, etc. W3C insist on plain-test encoding.plain-test encoding.

29

22ndnd Day Day

Purposes of ontology, taxonomy, data Purposes of ontology, taxonomy, data model, etc.?model, etc.?

CAOS vs. TDG6 Sem. Roles?CAOS vs. TDG6 Sem. Roles?A concept is a conjunction of A concept is a conjunction of

characteristics. … partial equivalencecharacteristics. … partial equivalenceDC schema and ontology are different.DC schema and ontology are different.

But DC metamodel may be defined as an But DC metamodel may be defined as an ontology.ontology.

30

ResolutionsResolutions

TDG6 appoints Paul Buitelaar to TDG6 appoints Paul Buitelaar to launch and lead the project for launch and lead the project for ontologizing LMF, collaborating ontologizing LMF, collaborating with Nicoletta Calzorali and other with Nicoletta Calzorali and other experts.experts.

31