Conclusions

• KBS development is a continuous modeling activity:

  • revises task analysis as more insight is gained on domain/methods
  • leads to the refinement of generic PSMs
  • defines the scope and use of domain knowledge

• PSMs are components which are complex to describe:

  • integrate modeling of declarative and procedural knowledge
  • must explicit an interface to map to domain knowledge
  • clearly defined in a PSM ontology

• PSMs can be reused more easily if:

  • cognitive distance from method to task space is minimal
  • underlying conceptual model is understandable
  • mapping relations are explicit and principled

• Protégé-2000 enables to handle PSMs in those respects

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