Knowledge base: Difference between revisions

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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=https://archive.org/details/buildingexpertsy00temd }}</ref>
 
==Properties==
==Knowledge base properties==
The term "knowledge-base" was coined to distinguish this form of knowledge store from the more common and widely used term ''database''. At the time (the 1970s) virtually all large [[Managementmanagement Informationinformation Systemssystems]] stored their data in some type of hierarchical or relational [[database]]. At this point in the history of [[Informationinformation Technologytechnology]], the distinction between a database and a knowledge base was clear and unambiguous.
 
A database had the following properties: