Basis for citation analysis
A citation analysis is based on publications in a citation database, i.e. Web of Science (WoS), Scopus or Google Scholar. Web of Science is the most widely used and established database for large scale analyses, and it is the database used for citation analyses at LiU (departments, research groups etc).
Coverage in WoS is very good for science and medicine, but poor for social sciences and humanities. The poor coverage for some fields can be explained by their publication patterns. WoS mainly covers international journals, whereas the social sciences and the humanities also publish in chapters, monographs and national journals. When coverage is too low, a citation analysis has no relevance.