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Knowledge discovery in social media:...

Zhang, Yulei.

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Knowledge discovery in social media: Physical world, online world, and virtual world.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Knowledge discovery in social media: Physical world, online world, and virtual world./
作者:	Zhang, Yulei.
面頁冊數:	196 p.
附註:	Source: Dissertation Abstracts International, Volume: 72-07, Section: A, page: .
Contained By:	Dissertation Abstracts International72-07A.
標題:	Business Administration, Management. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3454547
ISBN:	9781124641812

Knowledge discovery in social media: Physical world, online world, and virtual world.
Zhang, Yulei.

Knowledge discovery in social media: Physical world, online world, and virtual world. - 196 p.

Source: Dissertation Abstracts International, Volume: 72-07, Section: A, page: .

Thesis (Ph.D.)--The University of Arizona, 2011.

Social media have grown tremendously, making the Internet a new platform for community-based social interaction. The rich and vast amount of social media data provides valuable resources for understanding various social phenomena. Different from the world where people physically live, the new media bring additional types of worlds into people's lives: online worlds and virtual worlds. Examples of online worlds include Web forums, blogs, and online reviews, while the most famous example of a virtual world is Second Life. My dissertation is trying to address the overarching questions about how people adapt to social media to share information and exchange opinions, and what factors influence their activities in the new media. I adopt Web mining, machine learning, and computational linguistics techniques to analyze aspects of people and their behavior, such as gender differences, emotional differences, avatar activity differences, and avatar social interaction differences in online and virtual worlds.

ISBN: 9781124641812Subjects--Topical Terms:

626628
Business Administration, Management.

Knowledge discovery in social media: Physical world, online world, and virtual world.
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502 $a Thesis (Ph.D.)--The University of Arizona, 2011.
520 $a Social media have grown tremendously, making the Internet a new platform for community-based social interaction. The rich and vast amount of social media data provides valuable resources for understanding various social phenomena. Different from the world where people physically live, the new media bring additional types of worlds into people's lives: online worlds and virtual worlds. Examples of online worlds include Web forums, blogs, and online reviews, while the most famous example of a virtual world is Second Life. My dissertation is trying to address the overarching questions about how people adapt to social media to share information and exchange opinions, and what factors influence their activities in the new media. I adopt Web mining, machine learning, and computational linguistics techniques to analyze aspects of people and their behavior, such as gender differences, emotional differences, avatar activity differences, and avatar social interaction differences in online and virtual worlds.
520 $a Chapter 2 develops a feature-based text classification framework to examine online gender differences between Web forum posters by analyzing writing styles and topics of interest. Guided by the stereotyping and social roles theories, Chapter 3 examines the emotional differences between men and women in text-based online communications. A research framework for automatic emotion detection is developed using sentiment analysis techniques. In the framework, different algorithms are developed to analyze the sentence-level subjectivity and phrase- and word-level polarity. Chapters 4 and 5 focus on investigating avatar behavior in the virtual world. Guided by the theories of social presence, social role, and gender role, Chapter 4 examines the effects of avatar virtual gender, virtual age, and region theme on avatars' physical activities. Chapter 5 further examines avatars' gender and age differences in their social interactions in help-seeking regions in the virtual world. The overall gender and age difference analyses and detailed investigations by comparing three types of interaction networks based on gender or age are conducted.
520 $a Overall, my dissertation contributes to the literature on social media analytics, knowledge discovery, virtual world research, and text and Web mining.
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