soul / 02-Apr-02
[ Semantics, Ontologies & UBL ]
Slide  21  of  29
What can we learn from Ontologists when constructing UBL?  [2]
•Theory of formal distinctions & connections about entities, relations, categories
•Properties: identity, rigidity, unity; what changes, what remains same?
•Part-whole relations: mereotopology, aggregation, mass/count (plurality)
•Levels: physical, functional, biological, intentional, social
•Taxonomic constraints
•Property analysis: legal agent, group, social entity, organization
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