Features introductory material and bibliography, standard notation, events, projects, tools and researchers.

Provides background material and tutorials on ontology and related topics in logic, conceptual graphs, and natural language semantics.

A DARPA project. KIF is a language designed for use in the interchange of knowledge among disparate computer systems.

A list of knowledge representation resources, part of the AI Education Repository at the University of Southwestern Louisiana.

Charitable organization concerned with fostering research and communication on knowledge representation and reasoning. Features conferences, educational materials and mailing lists.

Aims to create a framework for conceptual knowledge processing in terms of social structures and a common code base. Features software description and contact details.

A set of tools using Conceptual Graphs formalism for building and documentation of knowledge bases, indexing or connecting elements of WWW-accessible documents.