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Presenter : Chang,Chun-Chih Authors : I-Chin Wu , Yi-Sheng Lin2012 2012 DSS

WNavi s : Navigating Wikipedia semantically with an SNA-based summarization technique. Presenter : Chang,Chun-Chih Authors : I-Chin Wu , Yi-Sheng Lin2012 2012 DSS. Outlines. Motivation Objectives Methodology Experiments Conclusions Comments. Motivation.

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Presenter : Chang,Chun-Chih Authors : I-Chin Wu , Yi-Sheng Lin2012 2012 DSS

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  1. WNavis: Navigating Wikipedia semantically with an SNA-based summarization technique Presenter : Chang,Chun-ChihAuthors : I-Chin Wu , Yi-Sheng Lin20122012 DSS

  2. Outlines • Motivation • Objectives • Methodology • Experiments • Conclusions • Comments

  3. Motivation • User browse Wikipedia content in the traditional manner when searching for information • users may unconsciously change their search goals or get lost when exploring or retrieving information in Wikipedia

  4. Objectives • Our goal is to develop an application that helps users find related articles for a seed query (topic)easily and then quickly check the content of articles to explore a new concept or topic in Wikipedia.

  5. Methodology

  6. Methodology

  7. Methodology

  8. Methodology

  9. Methodology

  10. Methodology

  11. Methodology

  12. Experiments - Intrinsic evaluation (precision@H)

  13. Experiments - Intrinsic evaluation (precision@H)

  14. Experiments

  15. Experiments - Extrinsic evaluation

  16. Experiments - questionnaire

  17. Conclusions • The findings have implications for the design of a navigation tool that can help users explore related articles in Wikipedia quickly.

  18. Comments • Advantages - In an internal link-based knowledge intensive website to help users find information easily. • Applications - Semantics-based

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