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	Analisi di Accoppiamento Bibliografico	Analisi delle co-citazioni
Campo	Bibliometria	Bibliometria
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1963	1973
Ideatore	Melvin M. Kessler	Henry Small
Tipo	Method	Method
Fonte seminale	Kessler, M. M. (1963). Bibliographic coupling between scientific papers. American Documentation, 14(3), 123–131.	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	document coupling, bibliographic similarity	co-citation mapping, historiograph, direct citation, citation pair analysis
Correlati	5	5
Sintesi	Bibliographic coupling is a method that identifies intellectual relationships between documents by measuring their shared references. Two papers are considered 'coupled' when they cite the same sources, indicating they address related research questions or draw from the same conceptual foundations. Introduced by Kessler in 1963, this approach enables researchers to map knowledge domains and discover thematically similar publications without relying on subject cataloging or keywords.	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.