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This paper proposes a user evaluation framework for Web-based learning systems by adopting the concepts of evaluation index systems and the techniques of data mining. In the proposed framework, the evaluation and the guiding of users are through-out the whole process of learning. A flexible and extensible user evaluation model is proposed to analyze users'(More)
With the development of computer science and multimedia technology, Web-based learning becomes increasingly popular. User evaluation plays a significant role in the process of guided learning. In recent years, there is great progress in the development of evaluation technology. However, few evaluation methods fully take online learning activity analysis and(More)
In 1st July 2007, China Government formally started a great project named "The Second Survey for the Land and Resources". China plans to investigate the current landuse status, and realize the land and resource informatization during two and a half years. Vectorization of Scanning Landuse Map plays an important role in land informatization and digital land(More)
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