Producción Científica

Orality is a fundamental communicative competence for human beings because personal, social, and work lives are crossed by it. This article shows the state of the art around the topic of teaching oral expression in the formal educational atmosphere. For this purpose, we search for expressions like “oral communication”, “development of orality”,”oral expression” and “teaching of oral communicative competence” both in Spanish and English in five international databases. In total, 221 articles were found (published 2014-2019), 123 of them presented pedagogical proposals aimed at developing orality. The data were analyzed through two perspectives: a quantitative bibliometric analysis (performed on the 221 initial articles) and another, more focused on the object of study, through documentary analysis of the 123 selected experiences. The first was sought to find out how the production of scientific literature on this topic has been in the last ten years, in which language this topic has been most investigated and in which journals the articles were published in. In all the 123 articles subjected to documentary analysis, it was searched who were the recipients and what was the focus of attention (mother tongue or foreign language), in addition to what was the object of research, the hypotheses validated, the methods used and the criteria were investigated, that were used to show if the proposal was effective or not, all with the aim to identify research trends on this object of study.

Big data launches a modern way of producing science and research around the world. Due to an explosion of data available in scientific databases, combined with recent advances in information technology, the researcher has at his disposal new methods and technologies that facilitate scientific development. Considering the challenges of producing science in a dynamic and complex scenario, the main objective of this article is to present a method aligned with tools recently developed to support scientific production, based on steps and technologies that will help researchers to materialize their objectives efficiently and effectively. Applying this method, the researcher can apply science mapping and bibliometric techniques with agility, taking advantage of an easy-to-use solution with cloud computing capabilities. From the application of the “Scientific Mapping Process”, the researcher will be able to generate strategic information for a result-oriented scientific production, assertively going through the main steps of research and boosting scientific discovery in the most diverse fields of investigation. • The Scientific Mapping Process provides a method and a system to boost scientific development. • It automates Science Mapping and bibliometric analysis from scientific datasets. • It facilitates the researcher’s work, increasing the assertiveness in scientific production.

This article discusses the Colombian scientific production around Communication registered in the Scopus database, the main trends of its scientific activity, and the characteristics of its intellectual, social, and thematic structure. Information published by Colombian authors in journals in the Communication category (2021 version) of the Scimago Journal Rank (SJR) was extracted, adding journals indexed in Scopus. We used bibliometric indicators of production, impact, and collaboration and techniques such as cocitation, coupling, and co-occurrence using the VOSViewer software. The main results show a sustained growth in the number of documents and citations, the leadership of two of the most important national scientific journals such as Palabra Clave and Signo y Pensamiento, and the significant contribution of a group of national authors and widely recognized universities in the Communication teaching and research field: Universidad de La Sabana, Universidad Javeriana, and Universidad del Norte. The techniques revealed the structure of disciplinary research in the sample, the collaboration relationships, and the relevant research topics fronts. This helpful information for researchers, editors, and scientific policymakers highlights the vast diversity of topics and the absence of theoretical research.

Waste heat recovery (WHR) technologies have become vital to promote efficient operation in energy systems. The present investigation presents a bibliometric analysis of the research trends in the WHR field in the last decade (2010-2020). The study implements advanced methodologies to gather relevant information for interested readers on this topic. Results indicated that WHR technologies have registered more than 14,000 articles in the selected timeline with an increasing tendency. Moreover, the number of citations escalated to more than 25% in 2020, using 2010 as the baseline. Three primary research clusters stated that power cycles are the most cited topic in the WHR field. The journal “Energy” featured the highest citation margin, whereas the most relevant author from the database was Bejan et al. Lastly, China is leading the progress in the number of articles and subsequently the citation score, which is primary promoted by the “Chinese Academy of Science.” The study identified that the reduction of citations of WHR topics in the last 5 years might be primarily attributed to a transition in a more complex concept of multigeneration. In conclusion, the area of WHR technologies has maintained an increased interest in academia in the last 10 years while contributing to the exploitation of power cycle proposals, turbomachinery, heat exchangers, among others. Also, WHR plays a central role in the development of the next generation of multigeneration units.