Developed by research programmers Bruce W. Herr II and Todd M. Holloway, graphic designer Elisha F. Hardy, and information scientists Kevin W. Boyack and Katy Börner, this map shows the structure and dynamics of the English Wikipedia based on 659,388 articles and their editing activity. The similarity of each article-article pair was calculated as the number of shared links to other articles. The resulting similarity matrix was read into VxOrd to generate the base map layout. An invisible 37 x 37 half-inch grid was drawn underneath the network and filled with relevant images from key articles. Overlaid are 3,599 math, 6,474 science, and 3,164 technology articles. They are color-coded in blue, green, and yellow, respectively, with all other articles appearing in grey. Exactly 8,181 articles are in one category, 2,348 in two, and 73 in all three categories. The four corners show smaller versions of the map with articles size-coded according to article edit activity (top left), number of major edits from January 1st, 2007, to April 6th, 2007 (top right), number of bursts in edit activity (bottom right), and the number of times other articles link to an article (bottom left). These visualizations serve to highlight current trends and predict future editing activity and growth in Wikipedia articles related to science, technology, and mathematics. Interactive Wikipedia maps are available at http://scimaps.org/web/maps/wikipedia/.
Holloway, Todd, Miran Božičević, and Katy Börner. 2007. “Analyzing and Visualizing the Semantic Converage of Wikipedia and Its Authors.” Complexity 12 (3): 30-40.
Herr II, Bruce W., Todd Holloway, Elisha F. Hardy, Kevin W. Boyack, and Katy Börner. 2007. Science-Related Wikipedian Activity. Courtesy of Indiana University. In “3rd Iteration (2007): The Power of Forecasts,” Places & Spaces: Mapping Science, edited by Katy Börner and Julie M. Davis. http://scimaps.org.
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Acknowledgements: This exhibit is supported by the National Science Foundation under Grant No. IIS-0238261, CHE-0524661, IIS-0534909 and IIS-0715303, the James S. McDonnell Foundation; Thomson Reuters; the Cyberinfrastructure for Network Science Center, University Information Technology Services, and the School of Library and Information Science, all three at Indiana University. Some of the data used to generate the science maps is from the Web of Science by Thomson Reuters and Scopus by Elsevier. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.