Towards a Software Architecture for Case-Based Reasoning Systems

  • Authors:
  • Enric Plaza;Josep Lluís Arcos

  • Affiliations:
  • -;-

  • Venue:
  • ISMIS '00 Proceedings of the 12th International Symposium on Foundations of Intelligent Systems
  • Year:
  • 2000

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Abstract

We present a software architecture model of adaptation in CBR. A software architecture is defined by its components and their connectors. We present a software architecture for CBR systems based on three components (a task description, a domain model, and adaptors) connected by a type of connectors called bridges. Adaptors are basic inference components that perform specific transformations to cases. Two kinds of adaptors are introduced: domain adaptors (d-adaptors) and casebased adaptors (c-adaptors). Adaptors are applied to a given problem, performing search until a sequence of adaptor instantiations is found such that a solution is achieved. Thus, in the ABC architecture adaptation is viewed as a search process on the space of adaptors. The ABC components have been used in the SaxEx application, a CBR system for generating expressive musical phrases.