Ronald J. Brachman
Ronald J. Brachman earned his Harvard doctorate in applied mathematics in 1977. At Cornell, Brachman specializes in AI knowledge representation and reasoning. Brachman researches description logics and coauthored a knowledge representation textbook. This work provides formal ways to organize concepts and reason about their relationships. Brachman previously conducted research and held leadership roles at Bell Labs, AT&T Labs, DARPA and Yahoo Labs. Brachman is currently a co-director and professor, with responsibility for institute programs and strategy.
- Now at
- Cornell University
- Works
- 101
- Citations
- 7,287
- h-index
- 32
Publication numbers from OpenAlex, as of 14 October 2026.
Timeline
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1977
Knowledge representation doctorate
Ronald J. Brachman earned his Harvard doctorate in applied mathematics in 1977. At Cornell, Brachman specializes in AI knowledge representation and reasoning.
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Research career
Description logics
Brachman researches description logics and coauthored a knowledge representation textbook. This work provides formal ways to organize concepts and reason about their relationships.
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Later career
Research organizations
Brachman previously conducted research and held leadership roles at Bell Labs, AT&T Labs, DARPA and Yahoo Labs. Brachman is currently a co-director and professor, with responsibility for institute programs and strategy.
Sources and credits
Photo: Jeff Weiner; Copyright 2016 Jeff Weiner All rights reserved. License: Not stated by source. Source: tech.cornell.edu. Cropped to a square and resized. Ask us to remove or replace this photo.