Paepen, Bert, and Jan Engelen. "“Braillekrant” and “DiGiKrant”: a Daily Newspaper for Visually Impaired Readers." In From Author to Reader: Challenges for the Digital Content Chain: Proceedings of the 9th ICCC International Conference on Electronic Publishing. ELPUB. Leuven-Heverlee, Belgium: Peeters Publishing Leuven, 2005.

Berden, Jurgen, Sabine Van Houdt, and Jan Engelen. "Interface - Web-based Application for Registration and Processing of Information about Care Needs of Elderly in Home Care and Institutions." In From Author to Reader: Challenges for the Digital Content Chain: Proceedings of the 9th ICCC International Conference on Electronic Publishing. ELPUB. Leuven-Heverlee, Belgium: Peeters Publishing Leuven, 2005.

Paepen, Bert, and Jan Engelen. "OmniPaper Smart Information Retrieval Prototype." In From Author to Reader: Challenges for the Digital Content Chain: Proceedings of the 9th ICCC International Conference on Electronic Publishing. ELPUB. Leuven-Heverlee, Belgium: Peeters Publishing Leuven, 2005.

Thys, Sebastien, Bert Paepen, and Jan Engelen. "Refining search queries with svg graphics in the omnipaper project." In Building Digital Bridges: Linking Cultures, Commerce and Science: Proceedings of the 8th ICCC/IFIP International Conference on Electronic Publishing. ELPUB. Brasília - DF, Brazil: Universidade de Brasília, 2004.