James A. Hendler
James Hendler’s research connects AI, knowledge representation, and the use of structured information on the web. Hendler co-chaired the W3C Web Ontology Working Group that produced OWL. The work was a shared standards effort for representing web knowledge. Hendler gave the Robert Engelmore Memorial Lecture at AAAI in 2005. Its title, Knowledge Is Power: The View from the Semantic Web, reflects his focus on machine-usable knowledge.
- Works
- 551
- Citations
- 36,225
- h-index
- 79
Publication numbers from OpenAlex, as of 14 October 2026.
Timeline
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1999
Research recognition
AAAI elected James A. Hendler as a Fellow in 1999.
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2005
A Semantic Web lecture
Hendler gave the Robert Engelmore Memorial Lecture at AAAI in 2005. Its title, Knowledge Is Power: The View from the Semantic Web, reflects his focus on machine-usable knowledge.
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2011
A guide to ontology modelling
Hendler and Dean Allemang wrote the second edition of Semantic Web for the Working Ontologist. Published in 2011, it covers modelling with RDFS and OWL.
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2012
Open data testimony
On May 22, 2012, Hendler testified to the New York State Assembly about the need for an open data website. Hendler connects Semantic Web methods with open government data sharing.
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As of October 2026
Web Ontology Language
Hendler co-chaired the W3C Web Ontology Working Group that produced OWL. The work was a shared standards effort for representing web knowledge.
Sources and credits
Photo: Tim Berners-Lee, via Wikimedia Commons. License: Public domain. Source: commons.wikimedia.org. Cropped to a square and resized. Ask us to remove or replace this photo.
