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This paper studies the social structure of Spanish and Latin American communication researchers through the representation and analysis of three coauthorship networks at the national, institutional, and individual level. Such networks are built from papers indexed in the 'Communication' category by Web of Science and published between 2000 and 2019 by authors attached to a Spanish or Latin American institution (n = 5,040). The goal is to characterize the structural features of each network, identify the most central actors, and illustrate the most relevant relationships among nodes. The results show that the most central country is Spain, followed by the USA and other European nations. Among the Latin American states, Brazil, Chile, and Mexico are placed at the most relevant nodes. Latin American collaboration is preferentially addressed to the USA, especially since 2015. Regarding institutions, Spanish public universities in Madrid and Catalonia achieve the highest degrees of centrality. However, the most central Latin American institutions are private universities. The most relevant authors are Spanish researchers until 2015, when they are replaced at the top by Latin American scholars. Collaboration at both the individual and institutional levels shows a deep regional tendency, while the internationalization of researchers and universities is only more visible since 2015. This work identifies a tendency towards internal cohesion at different network levels as the number of connected nodes grows in each period. We conclude that a proper Spanish-Latin America community of communication researchers does not exist. [ABSTRACT FROM AUTHOR]

Spanish research in Documentation (or Library and Information Science, LIS) began to stand out in the 1980s, in parallel with the creation of university studies in Library and Information Science, and it increased its activity significantly until the year 2000. In this period, research in Documentation was oriented to disseminate rather than innovate, and also had a low international impact, shortage of economic and human resources, and poor methodological quality. In the first 20 years of the 21st century, we have witnessed an outstanding growth and diversification of this research activity, which has led to the overcoming of most of the problems mentioned before. The objective of the text is to present a general overview of the development of Documentation research in Spain in the last 20 years based on the analysis of five fundamental aspects: publications (articles and monographs), topics and methodologies, scientific journals, research projects and doctoral theses. General descriptive data from public statistical sources and comments from a bibliographic review are provided for each of them. As a conclusion, a very positive global balance of Spanish research in Documentation in the last 20 years stands out, not only a quantitative increase (in publications, theses, research projects, etc.) but also a qualitative improvement in the use of research methods and techniques, as well as a diversification of the research topics. In any case, internationalization (collaboration with foreign authors) and the presentation of international projects could be improved. Finally, there is a risk in near future related to aging and the absence of generational renewal of the research staff that can will slow down this growth. [ABSTRACT FROM AUTHOR]