Object oriented case-based reasoning framework mechanism

Details Object oriented case-based reasoning framework mechanism Object oriented case-based reasoning framework mechanism

1998-06-03

1999-11-02

Downs, Robert W.

Data processing: artificial intelligence

Knowledge processing system

Knowledge representation and reasoning technique

G06F 1730

Patent

active

059787856

ABSTRACT:
A framework for use with object-oriented programming systems provides a case-based reasoning (CBR) system shell that permits a framework user to develop a case base having case histories and generates a case-based reasoning system that receives user requests for query solutions and produces a query solution that can be incorporated into the case base. The framework includes a Session component that controls processing of the CBR system, a Control Flow component that manages the extension of the categories and classes of the OO framework, a Data Store component that stores persistent case structure definitions, case instances, and a change log, a Presentation component that manages the user interface to the CBR system user, and a Query Engine that evaluates a received query against the case base. The case definitions and case base descriptions comprise a set of object oriented classes that are organized into an inheritance hierarchy. Also disclosed is a case-based reasoning system that permits dynamic adjustment of property weights in either object oriented programming implementations or procedural programming implementations. This permits users to control which properties and weights are used and whether missing items should penalize case matching.

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