植基於維基百科的知識服務平台之可行性研究

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研究生：	王琮仁 Cong-Ren Wang
論文名稱：	植基於維基百科的知識服務平台之可行性研究 Can Wikipedia Be a Knowledge Service Platform?
指導教授：	林福仁 Fu-Ren Lin
口試委員:
學位類別：	碩士 Master
系所名稱：	科技管理學院 - 科技管理研究所 Institute of Technology Management
論文出版年：	2008
畢業學年度：	96
語文別：	英文
論文頁數：	51
中文關鍵詞：	知識性服務、維基百科、知識活動地圖
外文關鍵詞：	Knowledge service, Wikipedia, Knowledge activity map
相關次數：	點閱：2 下載：0
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With the emergence of Web 2.0, people start to share their life stories, photos, videos, or even knowledge on the web. Wikipedia (http://en.wikipedia.org) is a well known web site where people can contribute and share their knowledge. Wikipedia provides a knowledge sharing platform to the knowledge providers who are willing to share their domain knowledge to and have interaction with others. However, Wikipedia can only help the knowledge providers to share their knowledge. Most activities and functions on Wikipedia are supported for the knowledge providers but few for knowledge demanders. In addition, there have been many knowledge services emerged on the Internet. The existing types of knowledge services provide the platforms to match the knowledge seekers and solvers, but they are passively waiting for the appearance of solvers. We propose a mechanism of knowledge service on Wikipedia which provides expert identification and expert matching functions to actively inform potential knowledge providers. In order to support the proposed knowledge service, we further propose a knowledge activity map system to present a Wikipedian’s knowledge activities, such as editing on Wikipedia. This research focuses on the development of knowledge activity map system and the evaluation of feasibility of proposed knowledge service on Wikipedia. The experimental results show that the proposed knowledge service is feasible on Wikipedia, but the capability of knowledge activity system needs to be further improved to increase the quality of the proposed knowledge service.

Chapter 1 Introduction...................................................................................................1
1 Research Background......................................................................................1
2 Research Motivation........................................................................................2
3 Research Objectives.........................................................................................3
4 Thesis Organization.........................................................................................5
Chapter 2 Literature Review..........................................................................................6
1 Wikipedia.........................................................................................................6
2 Knowledge Map...............................................................................................7
2.1 Knowledge Map Creation.....................................................................9
2.2 Knowledge Map Integration...............................................................11
3 Distributed Knowledge Management (DKM)...............................................12
4 Hierarchical Clustering..................................................................................13
4.1 Ward’s Method....................................................................................16
4.2 Min-max Partitioning..........................................................................16
5 Normalized Paragraph Dispersion (NPD).....................................................19
6 Knowledge Services.......................................................................................20
Chapter 3 Research Framework...................................................................................22
1 The Architecture of Knowledge Service for Wikipedia.................................23
2 The Architecture of Knowledge Activity Map System..................................25
Chapter 4 Knowledge Activity Map System...............................................................27
1 Knowledge Activity Map Generator..............................................................27
1.1 Preprocess...........................................................................................27
1.2 n-gram clustering................................................................................29
1.3 Hierarchical clustering........................................................................31
1.4 Theme extraction and labeling............................................................32
1.5 XML file output..................................................................................33
2 Knowledge Activity Map Viewer..................................................................33
Chapter 5 Evaluation....................................................................................................35
1 Subject Sampling...........................................................................................35
2 Evaluation Design..........................................................................................37
2.1 Evaluation of the fitness of knowledge categories.............................37
2.2 Evaluating the feasibility of knowledge service based on Wikipedia.40
3 Evaluation Results.........................................................................................41
Chapter 6 Conclusions and Future Research...............................................................47
1 Conclusions....................................................................................................47
2 Limitations.....................................................................................................47
3 Future Research.............................................................................................48
References....................................................................................................................50

                                

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