Journal
KNOWLEDGE ORGANIZATION
Volume 48, Issue 1, Pages 72-101Publisher
NOMOS VERLAGSGESELLSCHAFT MBH & CO KG
DOI: 10.5771/0943-7444-2021-1-72
Keywords
citation index; citations; databases; data; science; references; journals
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This article provides an overview of citation indexes, comparing major ones and discussing their role in knowledge organization and information retrieval. It also explores citation behavior and the impact of citation indexes on the scientific information ecosystem.
A citation index is a bibliographic database that provides citation links between documents. The first modern citation index was suggested by the researcher Eugene Garfield in 1955 and created by him in 1964, and it represents an important innovation to knowledge organization and information retrieval. This article describes citation indexes in general, considering the modern citation indexes, including Web of Science, Scopus, Google Scholar, Microsoft Academic, Crossref, Dimensions and some special citation indexes and predecessors to the modern citation index like Shepard's Citations. We present comparative studies of the major ones and survey theoretical problems related to the role of citation indexes as subject access points (SAP), recognizing the implications to knowledge organization and information retrieval. Finally, studies on citation behavior are presented and the influence of citation indexes on knowledge organization, information retrieval and the scientific information ecosystem is recognized.
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