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首页> 外文会议>International Conference on User Modeling(UM 2007); 20070625-29; Corfu(GR) >From Modelling Domain Knowledge to Metacognitive Skills: Extending a Constraint-Based Tutoring System to Support Collaboration
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From Modelling Domain Knowledge to Metacognitive Skills: Extending a Constraint-Based Tutoring System to Support Collaboration

机译：从建模领域知识到元认知技能：扩展基于约束的辅导系统以支持协作

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摘要

Constraint-based tutors have been shown to increase individual learning in real classroom studies, but would become even more effective if they provided support for collaboration. COLLECT-UML is a constraint-based intelligent tutoring system that teaches object-oriented analysis and design using Unified Modelling Language. Being one of constraint-based tutors, COLLECT-UML represents the domain knowledge as a set of constraints. However, it is the first system to also represent a higher-level skill such as collaboration using the same formalism. We started by developing a single-user ITS. The system was evaluated in a real classroom, and the results showed that students' performance increased significantly. In this paper, we present our experiences in extending the system to provide support for collaboration as well as problem-solving. The effectiveness of the system was evaluated in a study conducted at the University of Canterbury in May 2006. In addition to improved problem-solving skills, the participants both acquired declarative knowledge about good collaboration and did collaborate more effectively. The results, therefore, show that Constraint-Based Modelling is an effective technique for modelling and supporting collaboration skills.
机译：事实表明，基于约束的导师可以增加实际课堂学习中的个体学习，但是如果他们提供协作支持，他们将变得更加有效。 COLLECT-UML是一个基于约束的智能辅导系统，它使用统一建模语言教授面向对象的分析和设计。作为基于约束的导师之一，COLLECT-UML将领域知识表示为一组约束。但是，这是第一个代表更高级别技能的系统，例如使用相同形式主义的协作。我们从开发单用户ITS开始。该系统在一个真实的教室中进行了评估，结果表明学生的表现大大提高。在本文中，我们将介绍我们在扩展系统以为协作以及解决问题提供支持方面的经验。 2006年5月在坎特伯雷大学进行的一项研究中评估了该系统的有效性。除了提高了解决问题的能力外，参与者还获得了关于良好协作的陈述性知识，并且更加有效地进行了协作。因此，结果表明，基于约束的建模是一种用于建模和支持协作技能的有效技术。

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