presenter : chang,chun-chih authors : i-chin wu , yi-sheng lin2012 2012 dss

Intelligent Database Systems Lab

Presenter : Chang,Chun-Chih

Authors : I-Chin Wu , Yi-Sheng Lin2012

2012 DSS

WNavis: Navigating Wikipedia semantically with an SNA-based summarization technique

Intelligent Database Systems Lab

Outlines

MotivationObjectivesMethodologyExperimentsConclusionsComments

Intelligent Database Systems Lab

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

Intelligent Database Systems Lab

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.

Intelligent Database Systems Lab

Methodology

Intelligent Database Systems Lab

Methodology

Intelligent Database Systems Lab

Methodology

Intelligent Database Systems Lab

Methodology

Intelligent Database Systems Lab

Methodology

Intelligent Database Systems Lab

Methodology

Intelligent Database Systems Lab

Methodology

Intelligent Database Systems Lab

Experiments - Intrinsic evaluation (precision@H)

Intelligent Database Systems Lab

Experiments - Intrinsic evaluation (precision@H)

Intelligent Database Systems Lab

Experiments

Intelligent Database Systems Lab

Experiments - Extrinsic evaluation

Intelligent Database Systems Lab

Experiments - questionnaire

Intelligent Database Systems Lab

Conclusions

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

Intelligent Database Systems Lab

Comments

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