ERIC Number: ED388299
Record Type: RIE
Publication Date: 1994
The Method To Acquire the Strategic Knowledge on Problem Solving.
Takaoka, Ryo; Okamoto, Toshio
As a person learns, his problem solving ability improves and one reason for this is the increased acquisition of "macro-rules" which make problem solving more efficient. An intelligent computer assisted learning (ICAI) system is being developed which automatically acquires the useful knowledge from the domain experts; as experts give the learning system instructions of how to solve given problems, the system extracts the strategic knowledge of problem solving from the instructions by generalizing them. The educational system then teaches and coaches students based on the acquired strategic knowledge by making a student give instructions instead of an expert, thus extracting a student's strategic knowledge. If macro-rules are prepared for various states, then the system is able to give an explanation of problem solving for various similar problems. The learning system described in this paper acquires strategic knowledge according to the model of explanation-based learning; the domain is physics at the high school level. Knowledge was prepared for the domain theory in terms of the knowledge: (1) for understanding the structure of a problem; (2) for inducing the appropriate formula from the problem structure; (3) for solving an equation; (4) for solving plane trigonometry; and (5) of a dictionary on the concepts/technical terms. The system makes the knowledge processing according to instructions on: attributes of objects; on defining attribute-value of an object as a variable; on a causal relationship among objects; and on equations. (AEF)
Publication Type: Reports - Descriptive; Speeches/Meeting Papers
Education Level: N/A
Authoring Institution: N/A
Note: In: Educational Multimedia and Hypermedia, 1994. Proceedings of ED-MEDIA 94--World Conference on Educational Multimedia and Hypermedia (Vancouver, British Columbia, Canada, June 25-30, 1994); see IR 017 359.