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MFI-3 Ontology Evolution Metamodel. HE Keqing ,HE Yangfan SKLSE, Wuhan University 2007,6. ISO/IEC 19763-3 MFI Ontology Registration. China He Keqing (Project editor, SKLSE, Wuhan Univ.) He Yangfan (SKLSE, Wuhan Univ.) Wang Chong (SKLSE, Wuhan Univ.) Wang Jian( SKLSE, Wuhan Univ .) - PowerPoint PPT Presentation
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MFI-3 Ontology Evolution MFI-3 Ontology Evolution MetamodelMetamodel
HE Keqing ,HE YangfanSKLSE, Wuhan University
2007,6
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ISO/IEC 19763-3 ISO/IEC 19763-3 MFI Ontology RegistrationMFI Ontology Registration
China He Keqing (Project editor, SKLSE, Wuhan Univ.) He Yangfan (SKLSE, Wuhan Univ.) Wang Chong (SKLSE, Wuhan Univ.) Wang Jian(SKLSE, Wuhan Univ.)
Japan Hajime Horiuchi (Tokyo International Univ.) Masao Okabe (Project editor, TEPCO) Masaharu Obayashi (K-three)
Korea Doo-Kwon Baik (Korea Univ.) Sam Oh (Sungkyunkwan Univ.)
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ContentContent
Background MFI-3
Basic Idea Key concepts and Draft metamodel
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What is OntologyWhat is Ontology
In computer science,ontology A kind of metamodel Explicitly express the implication of concepts Basis for the communication, knowledge sharing & exchan
ge and interoperation between People People and information system Information systems
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An OntologyAn Ontology
Transitive Transitive AttributesAttributes
Inverse Inverse AttributesAttributes
Relationship between conceptsRelationship between concepts
Link between individualsLink between individuals
instanceOfinstanceOf
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Semantic InteroperationSemantic Interoperation
semantic web service Semantic tagging tech
Make domain assumptions explicit
A community reference for applications
Ontology Management
Ontology Registration
Ontology Evolution
…
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MFI-3 Ontology Registration MFI-3 Ontology Registration
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Ontology EvolutionOntology Evolution
Reasons Application domains and user‘s needs are
changing System can be improved …
Ontology evolution is the timely adaptation of an ontology and the consistent propagation of the changes to dependent artifacts .
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ContentContent
Background MFI-3
Basic Idea Key concepts and Draft metamodel
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Scope of MFI Ontology EvolutionScope of MFI Ontology Evolution
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Key Problems Key Problems
How to registrate ontologies? What kind of change can be identified and
described by MFI-3? How to realign the dependent ontologies
during the evolution process? How to keep the evolution information
about ontologies
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Our Solution (1/2)Our Solution (1/2)
How to registrate ontologies? What kind of change can be identified and
described by MFI-3? How to realign the dependent ontologies
during the evolution process?
How to keep the evolution information about ontologies
Kernel Model
Change Model
Constraint Model
Change Propagation Model
Evolution Information Model
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Our Solution (2/2)Our Solution (2/2)
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Change ModelChange ModelChange ModelChange Model
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Requirements for ontology evolutionRequirements for ontology evolution
Domain experts
We need add class A, remove
individual i…
Information system engineer
We need keep class B,
individual i…
Possible conflict !
Ontology engineer
We need some measures to resolve the conflicts
ontology
Change Closure
Consistency ClosureEvolution Strategy
Final Change Set
Constraint Model (1/9)Constraint Model (1/9)
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Basic resolution provided by MFI-3Basic resolution provided by MFI-3
Requirements about changes Usually proposed by domain experts IncompleteChange ConstraintChange Closure
Requirements about consistency Usually proposed by information system* engineer IncompleteConsistency ConstraintConsistency Closure
Possible conflict between various requirements Evolution Strategy
*Ontology based information systems
Constraint Model (2/9)Constraint Model (2/9)
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How to get ConstraintsHow to get Constraints
Ontology Metamodel Consistency_Constraint
designating the dependency between Ontology_Atomic_Constructs
Change_Constraint designating the dependency between Changes
Constraint Model (3/9)Constraint Model (3/9)
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An example-OntologyAn example-OntologyConstraint Model(4/9)Constraint Model(4/9)
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An example-ChangeAn example-Change
Change_Constraint <Retire(Individual),Retire(instanceOf(Class,Individua
l))> <Retire(Individual),Retire(Link(Individual,Individual))>
User_Requested_Change {Retire(Daisy)}
Change_Closure {Retire(Daisy), Retire(instanceOf(Teacher,Daisy)), Retrie(teach(Daisy,Java_Language))}
Constraint Model(5/9)Constraint Model(5/9)
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An example-ConsistencyAn example-Consistency
Consistency_Constraint <Individual,instanceOf(Class,Individual)> <Individual,link(Individual,Individual)>
User_Requested_Consistency {Java_Language}
Consistency_Closure {Java_Language, Course, instanceOf(Course,Java_L
anguage)}
Constraint Model(6/9)Constraint Model(6/9)
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An example-Evolution Strategy 1/2An example-Evolution Strategy 1/2Constraint Model(7/9)Constraint Model(7/9)
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An example-Evolution Strategy 2/2An example-Evolution Strategy 2/2Constraint Model(8/9)Constraint Model(8/9)
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Constraint ModelConstraint ModelConstraint Model(9/9)Constraint Model(9/9)
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Change PropagationChange Propagation
Change to RO Change to dependent RO
Change to dependent LO
Change to LO
Note:
RO:Reference Ontology
LO:Local Ontology
Change Propagation Model Change Propagation Model (1/2)(1/2)
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Change Propagation ModelChange Propagation ModelChange Propagation Model Change Propagation Model (2/2)(2/2)
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Evolution Information ModelEvolution Information ModelEvolution Info ModelEvolution Info Model
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New Working IdeasNew Working Ideas
He Keqing, He Yangfan,Wang Chong
2007,6
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CinemaHome
Office
Hotel Shop
Airport
“ Looks for the cheapest path”
context-aware
A vision of future information societyA vision of future information society
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20th century science : Understand matter (constituents)
21st century science: Understand the ‘living’ and the ‘social’
20th century technology: Humans build artefacts that shape their
environment 21st century technology:
Humans live in a world shaped by artefacts
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Dealing with semantics in an open world: How to build context?How to agree on protocols?
‘Emergent Semantics’‘Emergent Context’
Predefined ontologySemantic reconciliation
Managing semantic interoperability Managing semantic interoperability in an open-ended world of informationin an open-ended world of information
Emergent Computing is based on the idea that appropriate complex structures might arise purely from the physics of the task environment,rather than from an architect’s elaborate considerations.
Context aware computingContext aware computing
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Emergent RequirementEmergent Requirement
Automatic Service Generation based on emergent requirement
……
Avaiable service
Emergent Requireme
nt
Requirment Elicitation
Info resource
node
Software service in network enviroment
DiverseReq
Personalized Req
Info resource node
Info resource
node
Info resources Integration
……
Sofeware engineering research is driven by requirement
Cureent Research
Req Integration
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Emergent Requirement for Networked SoftwareEmergent Requirement for Networked Software
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Our ProposalOur Proposal
ISO/IEC 19763-3 1st Edition Ontology Registration Metamodel
2nd Edition Ontology Evolution Metamodel
3nd Edition Fuzzy Ontology Management
ISO/IEC 19763-5 1st Edition Process Model Registration
2nd Edition Fuzzy Process Model Registration
Emergent SemanticsEmergent Semantics
OntologyOntology Fuzzy Ontology Fuzzy Ontology
Emergent RequirmentEmergent Requirment
Process Model Process Model Fuzzy Process Model Fuzzy Process Model
