The TagCommons Working Group is having a fascinating discussion about the mechanism by which a community can agree to share tag data. Here are some of the options before us:
The Scopus Application Program Interface (API) enables you to search the largest abstract and citation database of peer-reviewed literature and quality web sources.
You can select Scopus data elements and create your own mashups.
The API returns Scopus data in a format that is easily integrated into an application or your web site.
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K. Joseph, P. Landwehr, and K. Carley. Social Computing, Behavioral-Cultural Modeling and Prediction, page 75--83. Cham, Springer International Publishing, (2014)