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John Florian Sowa (born 1940) is an American computer scientist, an expert in artificial intelligence and computer design, and the inventor of conceptual graphs.〔Kecheng Liu (2000) ''Semiotics in Information Systems Engineering''. p.54 states: ''Conceptual graphs are devised as a language of knowledge representation by Sowa (1984), based on philosophy, psychology and linguistics. Knowledge in conceptual graph form is highly structured by modelling specialised facts that can be subjected to generalised reasoning.〕〔Marite Kirikova (2002) ''Information Systems Development: Advances in Methodologies, Components, and Management''. p.194. states: ''The original theory of conceptual graphs was introduced by Sowa (Sowa, 1984). A conceptual graph is a finite, connected, bipartite graph. It includes notions of concepts, relations, and actors...''〕 == Biography == Sowa received a BS in mathematics from Massachusetts Institute of Technology in 1962, an MA in applied mathematics from Harvard University in 1966, and a PhD in computer science from the Vrije Universiteit Brussel in 1999 on a dissertation titled "Knowledge Representation: Logical, Philosophical, and Computational Foundations".〔Andreas Tolk, Lakhmi C. Jain (2011) ''Intelligent-Based Systems Engineering''. p.xxi〕 Sowa spent most of his professional career at IBM, which started in 1962 at IBM's applied mathematics group. Over the decades he has researched and developed emerging fields of computer science from compiler, programming languages, and system architecture〔John F. Sowa and John Zachman (1992). ("Extending and Formalizing the Framework for Information Systems Architecture" ) In: ''IBM Systems Journal'', Vol 31, no.3, 1992. p. 590-616.〕 to artificial intelligence and knowledge representation. In the 1990s Sowa was associated with IBM Educational Center in New York. Over the years he taught courses at the IBM Systems Research Institute, Binghamton University, Stanford University, Linguistic Society of America and Université du Québec à Montréal. He is a fellow of the Association for the Advancement of Artificial Intelligence. After early retirement at IBM Sowa in 2001 cofounded VivoMind Intelligence, Inc. With this company he is developing data-mining and database technology, more specific high-level "ontologies" for artificial intelligence and automated natural language understanding. John Sowa is married to the philologist Cora Angier Sowa,〔Cora Angier Sowa (1984) ''Traditional themes and the Homeric hymns''. p.iv〕 and they live in Croton-on-Hudson, New York. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「John F. Sowa」の詳細全文を読む スポンサード リンク
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