Pnina Shachaf

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Pnina Shachaf is an author.

Publications

Only those publications related to wikis are shown here.
Title Keyword(s) Published in Language DateThis property is a special property in this wiki. Abstract R C
Answer reliability on Q&A sites Askville
CQA
Crowd sourcing
Q and A sites
Quality
Social reference
Web 2.0
WikiAnswers
Wikipedia Reference Desk
Yahoo! Answers
16th Americas Conference on Information Systems 2010, AMCIS 2010 English 2010 Similar to other Web 2.0 platforms, user-created content on question answering (Q&A) sites raises concerns about information quality. However, it is possible that some of these sites provide accurate information while others do not. This paper evaluates and compares answer reliability on four Q&A sites. Content analysis of 1,522 transactions from Yahoo! Answers, Wiki Answers, Askville, and the Wikipedia Reference Desk, reveals significant differences in answer quality among these sites. The most popular Q&A site (that attracts the largest numbers of users, questions, and answers) provides the least accurate, complete, and verifiable information. 0 0
Beyond vandalism: Wikipedia trolls Journal of Information Science English 2010 Research on trolls is scarce, but their activities challenge online communities; one of the main challenges of the Wikipedia community is to fight against vandalism and trolls. This study identifies Wikipedia trolls’ behaviours and motivations, and compares and contrasts hackers with trolls; it extends our knowledge about this type of vandalism and concludes that Wikipedia trolls are one type of hacker. This study reports that boredom, attention seeking, and revenge motivate trolls; they regard Wikipedia as an entertainment venue, and find pleasure from causing damage to the community and other people. Findings also suggest that trolls’ behaviours are characterized as repetitive, intentional, and harmful actions that are undertaken in isolation and under hidden virtual identities, involving violations of Wikipedia policies, and consisting of destructive participation in the community.
Research on trolls is scarce, but their activities challenge online communities; one of the main challenges of the Wikipedia community is to fight against vandalism and trolls. This study identifies Wikipedia trolls behaviours and motivations, and compares and contrasts hackers with trolls; it extends our knowledge about this type of vandalism and concludes that Wikipedia trolls are one type of hacker. This study reports that boredom, attention seeking, and revenge motivate trolls; they regard Wikipedia as an entertainment venue, and find pleasure from causing damage to the community and other people. Findings also suggest that trolls behaviours are characterized as repetitive, intentional, and harmful actions that are undertaken in isolation and under hidden virtual identities, involving violations of Wikipedia policies, and consisting of destructive participation in the community. The Author(s), 2010.
0 1
Cross-cultural analysis of the Wikipedia community Wikipedia
Communities of practice
Cross cultural aspects
Non English languages
User behavior
J. Am. Soc. Inf. Sci. Technol.
Journal of the American Society for Information Science and Technology
English 2010 This article reports a cross-cultural analysis of four Wikipedias in different languages and demonstrates their roles as communities of practice {(CoPs).} Prior research on {CoPs} and on the Wikipedia community often lacks cross-cultural analysis. Despite the fact that over 75\% of Wikipedia is written in languages other than English, research on Wikipedia primarily focuses on the English Wikipedia and tends to overlook Wikipedias in other languages. This article first argues that Wikipedia communities can be analyzed and understood as {CoPs.} Second, norms of behaviors are examined in four Wikipedia languages {(English,} Hebrew, Japanese, and Malay), and the similarities and differences across these four languages are reported. Specifically, typical behaviors on three types of discussion spaces (talk, user talk, and Wikipedia talk) are identified and examined across languages. Hofstede's dimensions of cultural diversity as well as the size of the community and the function of each discussion area provide lenses for understanding the similarities and differences. As such, this article expands the research on online {CoPs} through an examination of cultural variations across multiple {CoPs} and increases our understanding of Wikipedia communities in various languages. 0 4
Web 2.0: A social informatics perspective Computerization movements
Social informatics
Web 2.0
Wikipedia
Association for Information Systems - 13th Americas Conference on Information Systems, AMCIS 2007: Reaching New Heights English 2007 This position paper argues that the Web 2.0 phenomenon is an important object of study for information systems research, and that a social informatics approach to understanding Web 2.0 is particularly relevant and useful. We discuss Wikipedia as an example of empirical research on Web 2.0 that can help bridge the divide between academic and popular discourse on new technology movements. 0 0