Datasets, working papers, and peer-reviewed articles produced by MultiObs researchers.
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De Freitas, Sergio Antonio Andrade; da Silva, André Corrêa; Silva, Milena de Faria; Batista, Renan Carneiro; Segundo, Washington
Choji, Thamyres Tetsue; Mazoni, Alysson; Moral-Muñoz, José A.; Costas, Rodrigo; Cobo, Manuel J.
Nowadays bibliographic data sources are available, and their coverage is shaped by their scope and indexing criteria. Their comparison can reveal what they underrepresent or exclude, particularly in regions such as Latin America, which presents specific characteristics in knowledge production. This study compares four data sources: OpenAlex, Leiden Ranking Core Collection Open Edition, Scopus, and SciELO. We analyze document coverage and author visibility by gender, career length, and language of publication. OpenAlex was used as the baseline, and comparisons were made using DOI and persistent author identifiers. Results show that, after OpenAlex, Scopus presents the largest coverage of documents (47.7%) and authors (52.1%), but with larger gender differences than SciELO. SciELO shows higher representation of women, particularly among exclusive authors, career lengths, and more authors publishing in Spanish (30.4%) and Portuguese (46%). These findings suggest that data sources may shape gender representation and multilingual publication practices in Latin America.
