Suitability of Google Scholar as a source of scientific information and as a source of data for scientific evaluation—Review of the literature

G Halevi, H Moed, J Bar-Ilan - Journal of informetrics, 2017 - Elsevier
Abstract As Google Scholar (GS) gains more ground as free scholarly literature retrieval
source it's becoming important to understand its quality and reliability in terms of scope and …

[HTML][HTML] Google Scholar to overshadow them all? Comparing the sizes of 12 academic search engines and bibliographic databases

M Gusenbauer - Scientometrics, 2019 - Springer
Abstract Information on the size of academic search engines and bibliographic databases
(ASEBDs) is often outdated or entirely unavailable. Hence, it is difficult to assess the scope …

Coverage of highly-cited documents in Google Scholar, Web of Science, and Scopus: a multidisciplinary comparison

A Martín-Martín, E Orduna-Malea… - Scientometrics, 2018 - Springer
This study explores the extent to which bibliometric indicators based on counts of highly-
cited documents could be affected by the choice of data source. The initial hypothesis is that …

Google Scholar as a source for scholarly evaluation: A bibliographic review of database errors

E Orduna-Malea, A Martín Martín… - 2017 - digibug.ugr.es
Google Scholar (GS) is an academic search engine and discovery tool launched by Google
(now Alphabet) in November 2004. The fact that GS provides the number of citations …

Evidence of open access of scientific publications in Google Scholar: A large-scale analysis

A Martín-Martín, R Costas, T Van Leeuwen… - Journal of …, 2018 - Elsevier
Abstract This article uses Google Scholar (GS) as a source of data to analyse Open Access
(OA) levels across all countries and fields of research. All articles and reviews with a DOI …

Google Scholar as a data source for research assessment

E Delgado López-Cózar, E Orduña-Malea… - Springer handbook of …, 2019 - Springer
Abstract The launch of Google Scholar () marked the beginning of a revolution in the
scientific information market. This search engine, unlike traditional databases, automatically …

Copyright compliance and infringement in ResearchGate full-text journal articles

HR Jamali - Scientometrics, 2017 - Springer
ResearchGate is increasingly used by scholars to upload the full-text of their articles and
make them freely available for everyone. This study aims to investigate the extent to which …

Methods for estimating the size of Google Scholar

E Orduña-Malea, JM Ayllón, A Martín-Martín… - Scientometrics, 2015 - Springer
The emergence of academic search engines (mainly Google Scholar and Microsoft
Academic Search) that aspire to index the entirety of current academic knowledge has …

The counting house: Measuring those who count. Presence of bibliometrics, scientometrics, informetrics, webometrics and altmetrics in the Google Scholar citations …

A Martín-Martín, E Orduña-Malea, JM Ayllón… - arxiv preprint arxiv …, 2016 - arxiv.org
Following in the footsteps of the model of scientific communication, which has recently gone
through a metamorphosis (from the Gutenberg galaxy to the Web galaxy), a change in the …

Ranking by relevance and citation counts, a comparative study: Google Scholar, Microsoft Academic, WoS and Scopus

C Rovira, L Codina, F Guerrero-Solé, C Lopezosa - Future internet, 2019 - mdpi.com
Search engine optimization (SEO) constitutes the set of methods designed to increase the
visibility of, and the number of visits to, a web page by means of its ranking on the search …