Towards an Architecture for Third-Order Hypermedia Systems. - Hans C. Arents; Walter F. L. Bogaerts (Hypermedia, 1991)

Information structuring For Intelligent Hypermedia: A Knowledge Engineering Approach. - Hans C. Arents; Walter F. L. Bogaerts (DEXA, 1992)

Navigation Without Links and Nodes Without Contents: Intensional Navigation in a Third-Order Hypermedia System. - Hans C. Arents; Walter F. L. Bogaerts (Hypermedia, 1993)

Concept-Based Retrieval of Hypermedia Information: From Term Indexing to Semantic Hyperindexing. - Hans C. Arents; Walter F. L. Bogaerts (Inf. Process. Manag., 1993)

IKEM: a company-wide open hypermedia system for discovering and validating metallurgical knowledge (abstract). - Hans C. Arents (SIGWEB Newsl., 1996)