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	Bibliometrisk analys	Samcitatsanalys
Ämnesområde	Scientometri	Bibliometri
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1969 (term coined); practice dates to 1920s–1930s	1973
Upphovsperson	Alan Pritchard (coined term); earlier quantitative work by Paul Otlet (1934) and S. C. Bradford (1934)	Henry Small
Typ	Quantitative literature analysis	Method
Ursprungskälla	Pritchard, A. (1969). Statistical bibliography or bibliometrics? Journal of Documentation, 25(4), 348–349.	Small, H. (1973). Co-citation in the scientific literature: A new measure of the relationship between two documents. Journal of the American Society for Information Science, 24(4), 265–269.
Alias	bibliometrics, bibliometric study, bibliometric mapping, publication analysis	co-citation mapping, historiograph, direct citation, citation pair analysis
Närliggande	6	5
Sammanfattning	Bibliometric analysis applies statistical and mathematical methods to bibliographic records — publications, citations, authors, journals, and keywords — to measure and map the structure, output, and intellectual evolution of a research field. It is widely used to identify influential works, prolific authors, productive journals, collaboration networks, and emerging research themes across any academic discipline.	Co-citation analysis is a method that identifies the intellectual structure of a research domain by examining how frequently pairs of documents are cited together in other publications. When two papers are frequently cited together in the literature, they are considered co-cited, indicating they are conceptually related or influential within the same research community. Developed by Henry Small in 1973, co-citation analysis maps the 'invisible colleges' of science—networks of researchers working on related problems—and reveals how knowledge domains evolve over time.