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Definition: knowledge base

(1) The most common occurrence of the term is the vendor's technical support section on its website. The knowledge base includes a repository of articles and a search capability. In many cases, the content is a combination of support articles and frequently asked questions.

(2) A Web-based repository of links that define the interrelationships between the public data on the Web. See Semantic Web, virtual assistant, Wikidata, Google Knowledge Graph and DBPedia.

(3) A database of information and rules about a subject used in artificial intelligence (AI) applications. This was the first formal definition of a knowledge base. See expert system and AI.