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    题名: Finding Trustworthy Experts to Help Problem Solving on the Programming Learning Forum
    作者: 曾憲雄;Tseng, Shian-Shyong
    贡献者: 資訊多媒體應用學系
    日期: 2010-03
    上传时间: 2012-11-26 15:11:06 (UTC+8)
    摘要: The most important thing for learners in Programming Language subject is problem solving. During the practical programming project, various problems may occur and learners usually need consultation from the senior programmers (i.e. the experts) to assist them in solving the problems. Thus, the inquiry-based learning with learning forum is applied to assist the programming problem solving. However, even if the learning community of the forum is provided, the finding of trustworthy and available experts for improving the quality of social interactions is still difficult for students. Therefore, the idea of applying the social network service of Web 2.0 with the trustworthy experts finding service is proposed to actively consult the experts based on their topic of interest, trustworthiness, and availability. The experts' topic interest and trustworthy degree are obtained from the experts' posting documents on the forum. To maintain the dynamic discussion topics and avoid the synonym problem on the forum, the Programming Capability Ontology is constructed as the consensus taxonomy by the distributed clustering algorithm. The self-organized ontology maintenance scheme is also proposed to maintain and update the new topic keywords in the ontology. The availability of experts can be approximately calculated from their online presence log. Moreover, the updating of the experts' presence value is modeled by the fading probability function of the Ant Colony Algorithm. Finally, the quality of the expert finding service and learners' satisfaction with the expert finding service has been evaluated. The experimental result shows that the feasibility and the effectiveness of the proposed approach are satisfactory.
    显示于类别:[行動商務與多媒體應用學系] 期刊論文


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