Ian R. Horrocks
Professor of Computer Science at the University of Oxford
About Ian R. Horrocks
Born 1958. Ian R. Horrocks is a British computer scientist, artificial intelligence researcher and university teacher, known for Description Logic and Web Ontology Language.
Ian Robert Horrocks is a professor of computer science at the University of Oxford in the UK and a Fellow of Oriel College, Oxford. His research focuses on knowledge representation and reasoning, particularly ontology languages, description logic and optimised tableaux decision procedures.
Education Horrocks completed his Bachelor of Science (BSc), Master of Science (MSc) and PhD degrees in the Department of Computer Science at the University of Manchester. HermiT and Pellet.
Horrocks was jointly responsible for development of the OIL and DAML+OIL ontology languages, and he played a central role in the development of the Web Ontology Language (OWL). These languages and associated tools have been used by Open Biomedical Ontologies (OBO) Consortium, the National Cancer Institute (NCI) in America, the United Nations (UN) Food and Agriculture Organization (FAO), the World Wide Web Consortium (W3C) and a range of major corporations and government agencies.
Horrocks served as editor-in-chief of Journal of Web Semantics from 2012 until late 2022. Together with the other editors-in-chief at the time, he resigned from his position at the Elsevier journal, and became editor-in-chief of the newly founded diamond open access journal Transactions on Graph Data and Knowledge. Horrocks also served as program chair of the 1st International Semantic Web Conference (ISWC) in 2002 and as the general chair of ISWC 2010.
Awards and honours In 2020 Horrocks was awarded the BCS Lovelace Medal in recognition of his significant contribution to the advancement of reasoning systems. with two of his colleagues; Bernardo Cuenca Grau and Boris Motik.
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Frequently asked questions
Who is Ian R. Horrocks?
Professor of Computer Science at the University of Oxford
When was Ian R. Horrocks born?
Ian R. Horrocks was born on 11 March 1958 in Liverpool.
What is Ian R. Horrocks's occupation?
Ian R. Horrocks is a computer scientist, artificial intelligence researcher and university teacher.
What is Ian R. Horrocks known for?
Ian R. Horrocks is known for Description Logic and Web Ontology Language.
What nationality is Ian R. Horrocks?
Ian R. Horrocks is British.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Ian R. Horrocks. https://biography.guide/ian-r-horrocks/
MLA: "Ian R. Horrocks." Biography.guide, https://biography.guide/ian-r-horrocks/.
Chicago: "Ian R. Horrocks." Biography.guide. https://biography.guide/ian-r-horrocks/.
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