significant variability in the topics covered in the literature. In a comparison of the first period of 2005-2010 and the second period of 2011-2015, new research themes and foci, including research data, data management, linked open data, students and student... research and an international audience, are observed in the later period. Originality/value This paper provides a comprehensive overview of publication, authorship and research themes in the IR research field. It describes the evolution of the intellectual