Knowledge base: Difference between revisions

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A '''knowledge base''' ('''KB''') is a technology used to [[information storage|store]] complex [[structured data|structured]] and [[unstructured information]] used by a computer system. The initial use of the term was in connection with [[expert systems]] which were the first [[knowledge-based systems]].
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==Original usage of the term==
The original use of the term knowledge-base was to describe one of the two sub-systems of a knowledge-based system. A knowledge-based system consists of a knowledge-base that represents facts about the world and an [[inference engine]] that can reason about those facts and use rules and other forms of logic to deduce new facts or highlight inconsistencies.<ref name="hayes">{{cite book |last=Hayes-Roth |first=Frederick |title=Building Expert Systems |year=1983 |publisher=Addison-Wesley |isbn=0-201-10686-8 |author2=Donald Waterman |author3=Douglas Lenat |url-access=registration |url= }}</ref>
==Knowledge base properties==