Ronald J. Brachman
Encyclopedia
Ronald J. "Ron" Brachman is currently Vice President of Yahoo! Labs
and Research Operations at Yahoo! Labs
. He is also the Head of Yahoo!
's Academic Relations organization. Prior to working at Yahoo!, he worked at DARPA as a the Director of the Information Processing Technology Office (IPTO), one of DARPA's eight offices at the time. While at IPTO, he helped develop DARPA's Cognitive Systems research efforts. Before that, he worked at AT&T
Bell Laboratories
(Murray Hill
, NJ
) as the Head of the Artificial Intelligence
Principles Research Department (2004) and Director of the Software and Systems Research Laboratory. When AT&T split with Lucent in 1996, he became Communications Services Research Vice President and was one of the founders of AT&T Labs
.
He is the godfather of Description Logic
, the logic-based knowledge representation
formalism underlying the Web Ontology Language
OWL.
Brachman earned his B.S.E.E. degree from Princeton University
, and his S.M. and Ph.D. degrees from Harvard University
.
http://citeseer.nj.nec.com/context/177306/0
Yahoo! Labs
Yahoo! Labs is a division of Yahoo! responsible for research into the science of the Internet and creating the next generation of businesses for Yahoo!...
and Research Operations at Yahoo! Labs
Yahoo! Labs
Yahoo! Labs is a division of Yahoo! responsible for research into the science of the Internet and creating the next generation of businesses for Yahoo!...
. He is also the Head of Yahoo!
Yahoo!
Yahoo! Inc. is an American multinational internet corporation headquartered in Sunnyvale, California, United States. The company is perhaps best known for its web portal, search engine , Yahoo! Directory, Yahoo! Mail, Yahoo! News, Yahoo! Groups, Yahoo! Answers, advertising, online mapping ,...
's Academic Relations organization. Prior to working at Yahoo!, he worked at DARPA as a the Director of the Information Processing Technology Office (IPTO), one of DARPA's eight offices at the time. While at IPTO, he helped develop DARPA's Cognitive Systems research efforts. Before that, he worked at AT&T
AT&T
AT&T Inc. is an American multinational telecommunications corporation headquartered in Whitacre Tower, Dallas, Texas, United States. It is the largest provider of mobile telephony and fixed telephony in the United States, and is also a provider of broadband and subscription television services...
Bell Laboratories
Bell Labs
Bell Laboratories is the research and development subsidiary of the French-owned Alcatel-Lucent and previously of the American Telephone & Telegraph Company , half-owned through its Western Electric manufacturing subsidiary.Bell Laboratories operates its...
(Murray Hill
Murray Hill, New Jersey
Murray Hill is an unincorporated area within portions of both Berkeley Heights and New Providence, located in Union County in northern New Jersey, United States....
, NJ
New Jersey
New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...
) as the Head of the Artificial Intelligence
Artificial intelligence
Artificial intelligence is the intelligence of machines and the branch of computer science that aims to create it. AI textbooks define the field as "the study and design of intelligent agents" where an intelligent agent is a system that perceives its environment and takes actions that maximize its...
Principles Research Department (2004) and Director of the Software and Systems Research Laboratory. When AT&T split with Lucent in 1996, he became Communications Services Research Vice President and was one of the founders of AT&T Labs
AT&T Labs
AT&T Labs, Inc. is the research & development division of AT&T, where scientists and engineers work to understand and advance innovative technologies relevant to networking, communications, and information. Over 1800 employees work in six locations: Florham Park, NJ; Middletown, NJ; Austin, TX;...
.
He is the godfather of Description Logic
Description logic
Description logic is a family of formal knowledge representation languages. It is more expressive than propositional logic but has more efficient decision problems than first-order predicate logic....
, the logic-based knowledge representation
Knowledge representation
Knowledge representation is an area of artificial intelligence research aimed at representing knowledge in symbols to facilitate inferencing from those knowledge elements, creating new elements of knowledge...
formalism underlying the Web Ontology Language
Web Ontology Language
The Web Ontology Language is a family of knowledge representation languages for authoring ontologies.The languages are characterised by formal semantics and RDF/XML-based serializations for the Semantic Web...
OWL.
Brachman earned his B.S.E.E. degree from Princeton University
Princeton University
Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....
, and his S.M. and Ph.D. degrees from Harvard University
Harvard University
Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...
.
Books
- Ronald J. Brachman, Hector J. Levesque and Raymond Reiter (Eds.) (1992) Knowledge RepresentationKnowledge representationKnowledge representation is an area of artificial intelligence research aimed at representing knowledge in symbols to facilitate inferencing from those knowledge elements, creating new elements of knowledge...
; February; 414 pp. [ISBN 0-262-52168-7] - Ronald J. Brachman and Hector J. Levesque (2004) Knowledge RepresentationKnowledge representationKnowledge representation is an area of artificial intelligence research aimed at representing knowledge in symbols to facilitate inferencing from those knowledge elements, creating new elements of knowledge...
and Reasoning; May; 381 pp. [ISBN 1-55860-932-6]
Journal articles
- Ronald J. Brachman (1983) "What IS-A is and isn't. An Analysis of Taxonomic Links in Semantic NetworksSemantic networkA semantic network is a network which represents semantic relations among concepts. This is often used as a form of knowledge representation. It is a directed or undirected graph consisting of vertices, which represent concepts, and edges.- History :...
"; IEEE Computer, 16 (10); October.
http://citeseer.nj.nec.com/context/177306/0