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Access to specific declarative knowledge by expert systems: The impact of logic programming |
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| Authors: | Yannis Vassiliou James Clifford Matthias Jarke |
| Affiliation: | Computer Applications and Information Systems, Graduate School of Business Administration, New York University, NY, USA |
| Abstract: | As part of the operation of an Expert System, a deductive component accesses a database of facts to help simulate the behavior of a human expert in a particular problem domain. The nature of this access is examined, and four access strategies are identified. Features of each of these strategies are addressed within the framework of a logic-based deductive component and the relational model of data. |
| Keywords: | Expert Systems Database Management Systems Knowledge Representation Logic Programming Relational Database Relational Algebra Predicate Evaluation Metalevel Evaluation Language Translation Query Optimization |
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