2026 Hector J. Levesque: Computer Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Computer Science	65	2390	2316	89	83	218	30227

Research.com Recognitions

2025 - Research.com Computer Science in Canada Leader Award
2023 - Research.com Computer Science in Canada Leader Award
2022 - Research.com Computer Science in Canada Leader Award
2011 - Fellow of the American Association for the Advancement of Science (AAAS)
2006 - Fellow of the Royal Society of Canada Academy of Science
1990 - Fellow of the Association for the Advancement of Artificial Intelligence (AAAI)

Overview

Hector J. Levesque is affiliated with the University of Toronto in Canada. Their research primarily falls within the field of Computer Science, with a specialization in Artificial Intelligence and related subfields such as Safety Research.

Their work covers several main topics, including:

AI-based Problem Solving and Planning
Logic, Reasoning, and Knowledge
Semantic Web and Ontologies
Ethics and Social Impacts of AI
Bayesian Modeling and Causal Inference

Levesque has collaborated frequently with Ronald J. Brachman and Vaishak Belle. Ronald J. Brachman is a particularly frequent coauthor, having worked together on multiple occasions.

The scientist's recent papers include:

"Regression and progression in stochastic domains", 2020, published in Artificial Intelligence
"Toward a New Science of Common Sense", 2022, published in the Proceedings of the AAAI Conference on Artificial Intelligence
"Toward a New Science of Common Sense", 2021, published in arXiv (Cornell University)

Levesque's publications have appeared notably in:

Artificial Intelligence
Proceedings of the AAAI Conference on Artificial Intelligence
arXiv (Cornell University)

In addition to journal and conference papers, Levesque has contributed to book publications. Notably, they have a book published by The MIT Press titled Machines like Us (2022).

Over their career, Hector J. Levesque has been recognized as a fellow by several professional organizations:

Fellow of the American Association for the Advancement of Science (AAAS), 2011
Fellow of the Royal Society of Canada, Academy of Science, 2006
Fellow of the Association for the Advancement of Artificial Intelligence (AAAI), 1990

Best Publications

Intention is choice with commitment

Philip R. Cohen;Hector J. Levesque

3292
Citations
Generating hard satisfiability problems

Bart Selman;David G. Mitchell;Hector J. Levesque

2369
Citations
A new method for solving hard satisfiability problems

Bart Selman;Hector Levesque;David Mitchell

1971
Citations
GOLOG: A logic programming language for dynamic domains

Hector J. Levesque;Raymond Reiter;Yves Lespérance;Fangzhen Lin

1524
Citations
Hard and easy distributions of SAT problems

David Mitchell;Bart Selman;Hector Levesque

1365
Citations
Knowledge Representation and Reasoning

Ronald Brachman;Hector Levesque

1307
Citations
Readings in Knowledge Representation

Ronald J. Brachman;Hector J. Levesque

1016
Citations
The Winograd schema challenge

Hector J. Levesque;Ernest Davis;Leora Morgenstern

1015
Citations
A logic of implicit and explicit belief

Hector J. Levesque

840
Citations
Communicative actions for artificial agents

Philip R. Cohen;Hector J. Levesque

794
Citations
Rational interaction as the basis for communication

Philip R Cohen;Hector J Levesque

782
Citations
ConGolog , a concurrent programming language based on the situation calculus

Giuseppe de Giacomo;Yves Lespérance;Hector J. Levesque

777
Citations
On acting together

Hector J. Levesque;Philip R. Cohen;José H. T. Nunes

706
Citations
All I know: a study in autoepistemic logic

Hector J. Levesque

551
Citations
The tractability of subsumption in frame-based description languages

Ronald J. Brachman;Hector J. Levesque

504
Citations
Foundations of a functional approach to knowledge representation.

Hector J. Levesque

490
Citations
Expressiveness and tractability in knowledge representation and reasoning

Hector J. Levesque;Ronald J. Brachman

442
Citations
Knowledge, action, and the frame problem

Richard B. Scherl;Hector J. Levesque

425
Citations
The frame problem and knowledge-producing actions

Richard B. Scherl;Hector J. Levesque

382
Citations
An Overview of Knowledge Representation

John Mylopoulos;Hector J. Levesque

353
Citations
The Winograd Schema Challenge

Hector J. Levesque

108
Citations
Intention = choice + commitment

Philip R. Cohen;Hector J. Levesque

78
Citations

Frequent Co-Authors

Ronald J. Brachman Cornell University

Giuseppe De Giacomo Sapienza University of Rome

Raymond Reiter University of Toronto

Bart Selman Cornell University

John Mylopoulos University of Ottawa

Sheila A. McIlraith University of Toronto

Joseph Y. Halpern Cornell University

Fahiem Bacchus University of Toronto

Daniel Marcu University of Southern California

Robert Stalnaker MIT

External Links

Wikipedia of Hector J. Levesque Personal website of Hector J. Levesque

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