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Google Scholar, Microsoft Academic, Scopus, Dimensions, Web of Science, and OpenCitations' COCI: a multidisciplinary comparison of coverage via citations

Martín-Martín, Alberto; Thelwall, Mike; Orduña-Malea, Enrique; Delgado López-Cózar, Emilio (Springer-Verlag, 2021-01)

[EN] New sources of citation data have recently become available, such as Microsoft Academic, Dimensions, and the OpenCitations Index of CrossRef open DOI-to-DOI citations (COCI). Although these have been compared to the ...
Google Scholar, Web of Science, and Scopus: A systematic comparison of citations in 252 subject categories

Martín-Martín, Alberto; Orduña-Malea, Enrique; Thelwall, Mike; Delgado Lopez-Cozar, Emilio (Elsevier, 2018-11)

[EN] Despite citation counts from Google Scholar (GS), Web of Science (WoS), and Scopus being widely consulted by researchers and sometimes used in research evaluations, there is no recent or systematic evidence about the ...
Which types of online resource support US patent claims?

Font-Julian, Cristina I.; Ontalba Ruipérez, José Antonio; Orduña-Malea, Enrique; Thelwall, Mike (Elsevier, 2022-02)

[EN] Patents are key documents to support the commercial exploitation of inventions. Patent documents must claim inventiveness, industrial application, and novelty to be granted and may use citations and URLs to support ...

Mostrando ítems 1-3 de 3