- Common Sense Problem Page - Corpus of challenging problems for the representation of commonsense knowledge.
- Enabling Technology For Knowledge Sharing - An article published in AI Magazine in 1991, describing ontology-driven knowledge base architectures.
- Knowledge Engineering Part A - Lecture notes on knowledge representation, featuring philosophical and psychological basis, conceptual graphs, reasoning and computation. Dickson Lukose, The University of New England, July 1996.
- Knowledge Representation - Detailed online summary of 1999 book by Harvard mathematician John W. Sowa, including sections on logic and ontology.
- Organizing Thoughts into Sequences, Hierarchies, and Networks - Presents criteria for defining sequences, hierarchies, and networks (SHN) for organizing thoughts. [A.Kulikauskas and S.Maskeliunas, 1999]
- What is a Knowledge Representation? - An introductory critical paper by R. Davis, H. Shrobe, and P. Szolovits in AI Magazine - 1993