--- title: "Hector J. Levesque — author profile and papers in our library" description: "Hector J. Levesque, University of Toronto: 2 papers on Elamur Research (1985–1990), h-index 60 — affiliations, topics, co-authors and who…" canonical: "https://research.elamur.ai/free/en/authors/hector-j-levesque/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/hector-j-levesque/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Hector J. Levesque # Hector J. Levesque Hector J. Levesque has 2 papers in our library, in 1985–1990, most of them on [Speech act theory](https://md.research.elamur.ai/free/en/topics/speech-act-theory/); often with [Philip R. Cohen](https://md.research.elamur.ai/free/en/authors/philip-r-cohen/). 2 papers in our library · 1985–1990 [OpenAlex](https://openalex.org/A5025681351) · [**h-index 60**](https://openalex.org/authors/A5025681351) · [307 works](https://openalex.org/works?filter=author.id:A5025681351) · [18,329 citations](https://openalex.org/works?filter=author.id:A5025681351&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/hector-j-levesque/#papers) · [🔗 Cited 757 times in our library](https://md.research.elamur.ai/free/en/authors/hector-j-levesque/cited-by/) · [1 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #6467](https://md.research.elamur.ai/free/en/paper-stars/page/65/#star-6467) The profile is the library's match of the name; two people with one name are not always told apart. Elsewhere: [Google Scholar](https://scholar.google.com/citations?view_op=search_authors&mauthors=Hector+J.+Levesque) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Hector+J.+Levesque) · [dblp](https://dblp.org/search?q=Hector+J.+Levesque) · [ACL Anthology](https://aclanthology.org/search/?q=Hector+J.+Levesque) ## Affiliations [🎓**University of Toronto** Toronto · Canada 1977–2026 · 158 papers*current*](https://md.research.elamur.ai/free/en/universities/university-of-toronto/) · [🔬**Canadian Institute for Advanced Research** Toronto · Canada 1986–1993 · 9 papers](https://md.research.elamur.ai/free/en/labs/canadian-institute-for-advanced-research/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 4 The field of science this work belongs to (OpenAlex fields).[Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Arts and Humanities · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Computer Science · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) 🧭 Topics 1 Research subjects and languages the work is about.[Speech act theory · 2 works](https://md.research.elamur.ai/free/en/topics/speech-act-theory/) ## Works by year ### 1990s [**1990** 1 paper](https://md.research.elamur.ai/free/en/authors/hector-j-levesque/year/1990/) ### 1980s [**1985** 1 paper](https://md.research.elamur.ai/free/en/authors/hector-j-levesque/year/1985/) ## Papers The most cited first (OpenAlex and our library). 1. **[Speech Acts and Rationality](https://md.research.elamur.ai/free/en/papers/cohen-1985-speech-acts-rationality/)** *(1985 · 119 citations)* Cohen and Levesque challenge the assumption, common in speech act theory and in AI dialogue systems, that illocutionary acts such as requests are primitive and must be explicitly identified before a system can respond. 2. **[Performatives in a Rationally Based Speech Act Theory](https://md.research.elamur.ai/free/en/papers/cohen-1990-performatives-rationally-based-speech-act/)** *(1990 · 81 citations)* The paper asks why a first-person present-tense utterance such as "I request you to open the door" counts as a request just by being said, while "I lie that p" defeats itself and "frighten" cannot be used this way at all. ## All works 3 works of theirs in our library, the most cited first; 2 with a page here, the others link their original until we summarise them. 1. **[The Winograd Schema Challenge ↗](https://cs.nyu.edu/~davise/papers/WinogradSchemas/WS.html) KR 2012 · no summary yet**Hector J. Levesque, Ernest Davis, Leora Morgenstern*2012 · 1,526 citations* 2. **[Speech Acts and Rationality](https://md.research.elamur.ai/free/en/papers/cohen-1985-speech-acts-rationality/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Philip R. Cohen, Hector J. Levesque*1985 · 119 citations* 3. **[Performatives in a Rationally Based Speech Act Theory](https://md.research.elamur.ai/free/en/papers/cohen-1990-performatives-rationally-based-speech-act/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Philip R. Cohen, Hector J. Levesque*1990 · 81 citations* ## Co-authors here 1 co-author with a page, the most papers together first. - [Philip R. Cohen](https://md.research.elamur.ai/free/en/authors/philip-r-cohen/) ×2 ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/) ×2: [ACL 1990](https://md.research.elamur.ai/free/en/venues/acl/1990/), [ACL 1985](https://md.research.elamur.ai/free/en/venues/acl/1985/) - KR 2012 ## Cited by Papers of our library cite their works 757 times (of the 149,439 papers whose bibliographies we read); [222 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/hector-j-levesque/cited-by/). Updated 30 October 2026