EntityQ387196· pop 16· linked from 201 articlesdescription logicSign in to savefamily of formal knowledge representation languagesConnectionsalgorithmEntityopen sourceEntitySemantic WebEntityknowledge representation and reasoningEntityontologyEntityprogramming language semanticsEntityWeb Ontology LanguageEntitythree-state logicEntityclosed-world assumptionEntityRonald J. BrachmanEntitydynamic logicEntityInternetEntityArtificial intelligenceConceptstatisticsEntitycomputer scienceEntityoperating systemEntityInternational Standard Book NumberEntityvideo gameEntityprogramming languageEntityPythonEntityCategoriesArtificial intelligenceFormal semantics (natural language)Information scienceKnowledge representation languagesNon-classical logic