Beverly Park Woolf and James Allen
An existing natural language speech dialogue system will be integrated with an existing mathematics tutor to provide adaptive instruction for grade school children. The resulting dialogue tutor will use general linguistic knowledge, including a fairly complex model of English and task- oriented dialogues, to speak to the student when he or she has trouble solving a problem. The tutor will initiate an interaction to diagnose missing knowledge and provide a customized explanation, select appropriate hints for a particular diagnosed problem based on student gender, cognitive development and student history, and provide a summary to ensure that students have the correct information. This work explores issues such as representation, lexical meaning, dealing with ambiguity, making use of information about context, mixed-initiative planning, and development of a formal model of plans based on explicit objects.