Common Sense Problem Page
- Corpus of challenging problems for the representation of commonsense knowledge.
- http://www-formal.stanford.edu/leora/commonsense/

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.
- http://pages.cpsc.ucalgary.ca/~kremer/courses/CG/CGlecture_notes.html

Enabling Technology For Knowledge Sharing
- An article published in AI Magazine in 1991, describing ontology-driven knowledge base architectures.
- http://www.isi.edu/isd/KRSharing/vision/AIMag.html

What is a Knowledge Representation?
- An introductory critical paper by R. Davis, H. Shrobe, and P. Szolovits in AI Magazine - 1993
- http://medg.lcs.mit.edu/ftp/psz/k-rep.html

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]
- http://www.ms.lt/ms/projects/structurekinds/paper052499.html