The role of ontologies for the Semantic W eb (and beyond)

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Unintended models must be taken into account!
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Conceptualization C
Commitment:
K = < C,I >
Language L
Interpretation
Intended
models IK(L)
Models MD(L)
Ontology
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tennis
football
game
field game
court game
athletic game
outdoor game
)
game(x) → activity(x)
athletic game(x) → game(x)
court game(x) ↔ athletic game(x) ∧ ∃y. played_in(x,y) ∧ court(y)
tennis(x) → court game(x)
double fault(x) → fault(x) ∧ ∃y. part_of(x,y) ∧ tennis(y)
game
athletic game
court game
tennis
outdoor game
field game
football
Taxonomy
Glossary
Catalog
game
NT athletic game
NT court game
RT court
NT tennis
RT double fault
Thesaurus
Ontological precision
Axiomatized
theory
DB/OO
scheme
MD(L)
IB(L)
IA(L)
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A common ontology vocabulary
should be based on these theories!!
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Object
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Location
Region
Social group
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Admin. district
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Endurant
Physical
Quality
Amount of matter
Physical object
Feature
Non-Physical
Mental object
Social object
…
Perdurant
Static
State
Process
Dynamic
Achievement
Accomplishment
Spatial location
…
Temporal
Temporal location
…
Abstract
Abstract
Quality region
Time region
Space region
Color region
…
…
Physical
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Qualities vs. Features
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