Mediators: Guides through online TV services. - Han Kohar; Ian Ginn (CHI Extended Abstracts, 1997)

Double agent - presentation and filtering agents for a digital television recording system. - Peter Meuleman; Anita Heister; Han Kohar; Douglas Tedd (CHI Conference Summary, 1998)

User Interface for an In-Home Environment. - Richard van de Sluis; Berry Eggen; John Jansen; Han Kohar (INTERACT, 2001)