  In the past years, the movement of data sharing has been enjoying great
popularity. Within this context, Thomson Reuters launched at the end of 2012 a
new product inside the Web of Knowledge family: the Data Citation Index. The
aim of this tool is to enable discovery and access, from a single place, to
data from a variety of data repositories from different subject areas and from
around the world. In this short note we present some preliminary results from
the analysis of the Data Citation Index. Specifically, we address the following
issues: discipline coverage, data types present in the database, and
repositories that were included at the time of the study
