Abstract
In this paper, we describe a constraint-based discussion board that we have developed. A number of discourse systems have sought to constrain the ways that learners converse by requiring them to classify the nature of the comments and replies to others' comments. Those systems imposed a single constraint system on learners. In our system, we enable users to adjust the structure and content of the system in order to support a variety of discourses, including argumentation, problem-solution, literary analysis, and any other kind of activity. We describe the rationale for the system and will demonstrate the results of two discussions during the conference.
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