Building ontology in the domain of human sciences can be a difficult process because of the different meanings given to the same key concepts in these disciplines: in fact, shared meaning is an important element in knowledge construction between members of a community. In this paper, we propose a participatory social environment called…

Intended for potential business users, this paper describes the main characteristics of expert systems; discusses practical use considerations; presents a taxonomy of the systems; and reviews several expert system development projects in business and industry. (MBR)

Form and function of reinforcement is discussed with attention to the focus for feedback. Case studies of five junior high schools provide data and field notes for a tentative analysis of the determinants of reinforcement including organizational factors and types of computer assisted instruction applications. (Author/MBR)