Creating, destroying, and restoring value in wikipedia
Proceedings of the 2007 international ACM conference on Supporting group work
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Improving Wikipedia's credibility: References and citations in a sample of history articles
Journal of the American Society for Information Science and Technology
Trust in wikipedia: how users trust information from an unknown source
Proceedings of the 4th workshop on Information credibility
The nature of historical representation on Wikipedia: Dominant or alterative historiography?
Journal of the American Society for Information Science and Technology
Journal of the American Society for Information Science and Technology
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We ask what kinds of sources Wikipedians value most and compare Wikipedia's stated policy on sources to what we observe in practice. We find that primary data sources developed by alternative publishers are both popular and persistent, despite policies that present such sources as inferior to scholarly secondary sources. We also find that Wikipedians make almost equal use of information produced by associations such as nonprofits as from scholarly publishers, with a significant portion coming from government information sources. Our findings suggest the rise of new influential sources of information on the Web but also reinforce the traditional geographic patterns of scholarly publication. This has a significant effect on the goal of Wikipedians to represent "the sum of all human knowledge."