%0 Journal Article %J Intelligent Multimedia Presentation Systems. Human Computer Interaction Letters, 1 (1): 32-38, April 1998. %D 1998 %T A Mediator Approach for Representing Knowledge %A Chiara Renso %A Salvatore Ruggieri %B Intelligent Multimedia Presentation Systems. Human Computer Interaction Letters, 1 (1): 32-38, April 1998. %G eng