EER-ConcepTool: A "Reasonable" Environment for Schema and Ontology Sharing. - Helmut Meisel; Ernesto Compatangelo (ICTAI, 2002)

ConcepTool: Intelligent Support to the Management of Domain Knowledge. - Ernesto Compatangelo; Helmut Meisel (KES, 2003)

An Ontology-Based Approach to Intelligent Instructional Design Support. - Helmut Meisel; Ernesto Compatangelo; Andreas Hörfurter (KES, 2003)

"Reasonable" support to knowledge sharing through schema analysis and articulation. - Ernesto Compatangelo; Helmut Meisel (Neural Comput. Appl., 2003)

An ontology-based architecture for the design of knowledge bases in Intelligent Instructional Systems. - Helmut Meisel; Ernesto Compatangelo (Interact. Technol. Smart Educ., 2004)

Ontology representation and reasoning : a conceptual level approach. - Helmut Meisel (2005)