Citation Count APIs

A couple of weeks ago Stuart Lewis disseminated to the repository community some work he had been doing on a citation count API for use in repositories. The API created by Stuart creates a plug-in to a repository item record showing the citation count for that item in the SCOPUS bibliographic index. The API works by matching the DOI included in the repository item record with the DOI in the SCOPUS record for the same item. Discussion within the mailing lists however, highlighted that it would be fairly easy to extend the API to match with an item’s title/ author/ year etc. if DOIs are not consistently present within repository item records. A blog post about the API and how to implement it within a repository can be found within Stuart’s blog. Further examples of how the citation count API can be used are available from the SCOPUS website.

An example of the SCOPUS citation count API in action within a repository record can be seen from The HKU (University of Hong Kong) Scholars Hub . This item record example also has citation counts for the item within Web of Science. Through some Google searching I hunted down the following blog post by Jonathan Rochkind at John Hopkins University highlighting the application of the “Link Article Match Retrieval Service” (described at the bottom of the webpage). If your institution has a subscription to WoS, this API will provide you with the citation counts for an item matched by DOI/ author/ title for use within a repository record.

The use of citation counts within repository item records can be extremely useful within the forthcoming REF as a way of demonstrating the level of ‘Impact’ an item has had. It can also be a way of enabling institutions to select the publications they wish to put forward for the REF, highlighting a well received piece of research.

The APIs described above will give you the total citation counts for the item within those specific bibliographic databases. For some institutional reporting the citation counts per year are necessary but specific subscriptions to WoS and SCOPUS services are necessary to access these.


If you would like more information about the use and implementation of citation count APIs within your repository please contact the WRN Team at wrnstaff@aber.ac.uk.