We have gathered data on article processing charges or article page processing charges for 2,389 fully open access journals so far in 2015. Our recent analysis of 2015 DOAJ publisher size illustrates how much more work there is to do - De Gruyter, for example, was not included in our preliminary sample as they were not listed in DOAJ last year, but as of May this year they were the third largest OA publisher by journal portfolio size with over 200 journals. Due to ongoing growth and change in this area, we decided to release our full dataset with all the data gathered to date in case this might be helpful to other researchers. In future, we will be conducting data gathering on an ongoing basis which will permit richer publisher studies rather than attempting an annual brief census period.
Data and documentation can be downloaded from: http://dataverse.scholarsportal.info/dvn/dv/oaapc Informal peer review would be appreciated in the form on comments on the Sustaining the Knowledge Commons blogpost: http://sustainingknowledgecommons.org/2015/11/12/open-access-article-processing-charges-longitudinal-study-2015-preliminary-dataset/ Please read the detailed documentation as we have already noted a number of limitations to this study there. As we continue with data gathering and analysis we'll post what we find as we go along. best, -- Dr. Heather Morrison Assistant Professor École des sciences de l'information / School of Information Studies University of Ottawa Desmarais 111-02 613-562-5800 ext. 7634 Sustaining the Knowledge Commons: Open Access Scholarship http://sustainingknowledgecommons.org/ http://www.sis.uottawa.ca/faculty/hmorrison.html heather.morri...@uottawa.ca<mailto:heather.morri...@uottawa.ca>
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