MULTIMODAL INFORMATION EXPLORATION

Exploration is a fundamental aspect of learning. In computer-based sys tems, advanced interfaces to a rich information space can become a key element in this connection. Tools adaptable to different modes of exp loring information and to the characteristics of different users are n eeded. In this article, the integration of hypermedia and natural lang uage dialogue are discussed and reference is made to ALFRESCO, a natur al language-centered multimodal system developed at IRST. The discussi on is mainly focused on the role and the structure of the communicativ e context.