| 11. | Rule-based systems were the predominate knowledge representation mechanism for virtually all early expert systems.
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| 12. | Examples of knowledge representation formalisms include theorem provers, and classifiers.
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| 13. | Knowledge representation and knowledge engineering are central to AI research.
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| 14. | Past publications have addressed questions in computational reflection, meta-level architecture, programming languages, and knowledge representation.
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| 15. | Reification is one of the most frequently used techniques of conceptual analysis and knowledge representation.
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| 16. | "' Reification "'in knowledge representation is the process of turning a predicate into an object.
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| 17. | DL was first introduced into Knowledge Representation ( KR ) systems to overcome this deficiency.
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| 18. | Frames were originally derived from semantic networks and are therefore part of structure based knowledge representations.
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| 19. | MultiNet is claimed to be one of the most comprehensive and thoroughly described knowledge representation systems.
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| 20. | Knowledge Representation languages have also lacked easy readability.
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