The contents' selection of the Journal Citation Reports (JCR) is based on the Core Collection and realized by the WoS editorial team.

The database is available as Science Citation Index and Social Science Citation Index that are issued yearlly.

The citations received by single articles are processed and aggregated at journal level to create the list of Bibliometric indicators available in JCR. More than 11,500 titles of the Citation Index-Expanded and the Social Citation Index are processed in JCR.