Enrique Orduna-Malea

Universitat Politècnica de València | UPV · Department of Audiovisual Communication, Documentation and History of Art

This study attempts to analyze patents as cited/mentioned documents to better understand the interest, dissemination and engagement of these documents in social environments, laying the foundations for social media studies of patents (social Patentometrics). Particularly, this study aims to determine how patents are disseminated on Twitter by analy...

This letter warns about the identification of research publications available online that contain references to non-existent papers (ghost bibliographic references). This is likely to happen due to the use of ChatGPT, a LLM-based (Large-Language Models) chatbot which generates plausible but fake bibliographic references. Although the magnitude of t...

Press releases about scholarly news are brief statements provided in advance to the press, including a description of the most relevant findings of one or more accepted scientific publications, usually under the condition that journalists will adhere to an embargo until the publication date. The existence of centralized platforms such as EurekAlert...

This study analyses the coverage of seven free‐access bibliographic databases (Crossref, Dimensions—non‐subscription version, Google Scholar, Lens, Microsoft Academic, Scilit, and Semantic Scholar) to identify the potential reasons that might cause the exclusion of scholarly documents and how they could influence coverage. To do this, 116 k randoml...

Much debate has been around the misapplication of metrics in research assessment. As a result of this concern, the Declaration on Research Assessment (DORA) was launched, an initiative that caused opposing viewpoints. However, the discussion topics about DORA have not been formally identified, especially in participatory environments outside the sc...

Citizen Science (CS) is related to public engagement in scientific research. The tasks in which the citizens can be involved are diverse and can range from data collection and tagging images to participation in the planning and research design. However, little is known about the involvement degree of the citizens to CS projects, and the contributio...

Se describe la producción de tesis doctorales en España durante 2020, contextualizando los datos según la procedencia de la persona doctoranda (región), el género y el área de conocimiento. Así mismo se proporcionan datos de la evolución del número de tesis en universidades privadas desde 2015. Los resultados sirven para describir los factores que...

Brief guidelines on how academic journals should create their websites in order to be properly indexed on Google Scholar. In addition, some figures on the evolution of journals in Google Scholar Metrics are offered.

Carbon footprint (CF) research has received increasing attention in recent years, as evidenced by a rise in publications and citations, reflecting a growing concern for the environmental impact of human activities. However, the alignment of this scientific literature with the three dimensions of sustainability performance provided by the TBL paradi...

One year after the incorporation of Margarita Salas researchers in universities and research centres thanks to the plan for the requalification of the Spanish university system carried out by the Ministry of Universities, this work compiles the main problems and limitations of this postdoctoral contract and outlines some possible solutions for futu...

The Majestic’s Trust Flow (TF) is a link-based score aimed at measuring the influence of online objects (e.g. scientific publications) by considering the weighted number of links received from trusted websites. This study describes the bibliographic characteristics and impact of those publications with the highest TF score. In order to do this, 20,...

Las universidades, especialmente aquellas con una alta capacidad investigadora, no son instituciones aisladas del ecosistema de educación superior que las rodea. Son agentes activos que influyen en el desarrollo económico y social de su entorno (en ocasiones, incluso fuera de su entorno). Por ese motivo, los productos de información universitarios...

Research organizations' persistent identifiers allow for reducing affiliation ambiguities, enable accurate institutional analyses and favor the design of modern online scholarly databases suited for research discovery and research evaluation. However, few studies have attempted to quantify their degree of use. Precisely, the purpose of this work is...

El objetivo de esta nota es describir la nueva funcionalidad de clasificación de citas por contexto proporcionada por Web of Science (WoS), en la que las citas recibidas por un trabajo se clasifican en cinco categorías (Background, Basis, Support, Differ, Discuss). Con el fin de testear las prestaciones de la funcionalidad se han llevado a cabo dos...

Este informe diseña y desarrolla una propuesta de arquitectura (framework) de la evaluación del profesorado universitario en el sistema universitario español. La propuesta pretende minimizar las malas praxis detectadas, adecuarse a los estándares y recomendaciones procedentes de la literatura científica e incluir aquellos aspectos transversales nec...

This report designs and develops an architecture proposal (framework) to evaluate university teaching staff in the Spanish university system. The proposal aims to minimize the malpractices detected, adapt to the standards and recommendations from the scientific literature, and include those transversal aspects necessary to assess the impact of the...

Reporting guidelines are tools to help improve the transparency, completeness, and clarity of published articles in health research. Specifically, the CONSORT (Consolidated Standards of Reporting Trials) and SPIRIT (Standard Protocol Items: Recommendations for Interventional Trials) statements provide evidence-based guidance on what to include in r...

Digital information needs to be accessed and used in a manageable and sustainable manner to facilitate the advancement of science and science management. Many types of Persistent Identifiers (PIDs) are already in use and well-established in support of the scholarly communication industry, mainly digital objects (e.g., DOIs) and person identifiers (...

Digital information needs to be accessed and used in a manageable and sustainable manner to facilitate the advancement of science and science management. Many types of Persistent Identifiers (PIDs) are already in use and well-established in support of the scholarly communication industry, mainly digital objects (e.g., DOIs) and person identifiers (...

The current value of link counts as supplementary measures of the formal quality and impact of journals is analyzed, considering an open access megapublisher (MDPI) as a case study. We analyzed 352 journals through 21 citation-based and link-based journal-level indicators, using Scopus (523,935 publications) and Majestic (567,900 links) as data sou...

Purpose This study aims to analyse and evaluate the methodology followed by the Times Higher Education Impact Rankings (THE-IR), as well as the coverage obtained and the data offered by this ranking, to determine if its methodology reflects the degree of sustainability of universities, and whether their results are accurate enough to be used as a...

En un mundo cada vez más urbanizado la contribución de las ciudades a los objetivos de desarrollo sostenible (ODS) es crucial, y las acciones emprendidas por las Instituciones de Educación Superior (IES) en relación con los ODS no son independientes de las ciudades donde se localizan. El objetivo principal de este trabajo es precisamente determinar...

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 these claims as well as to explain their ideas. Although there is much research into the citations used to support inventions, almost n...

Las guías de publicación (GP) son documentos elaborados por las revistas con el fin de instruir a los autores a la hora de enviar un manuscrito para su publicación. A tal fin incluyen desde aspectos formales que deben cumplir los documentos para su envío (formato de las referencias bibliográficas, extensión, estructura, etc.) hasta información rela...

Breve post en el que se discute la aparición de nuevos rankings, en concreto el Impact Rankings y el MosIUR. Texto accesible online en Universidad Sí: https://www.universidadsi.es/nuevos-rankings-para-viejas-necesidades/

This letter aims to highlight severe inconsistencies in the scientific evaluation of regionally publicly funded research projects, uncovering structural failures related to the public management of science that go beyond technical aspects of bibliometrics. This problem is exemplified through an illustrative case study (the public grants program to...

Esta carta tiene como objetivo resaltar graves inconsistencias en la evaluación científica de proyectos de investigación financiados con fondos públicos regionales, destapando fallos estructurales relacionados con la gestión pública de la ciencia que van más allá de los aspectos técnicos bibliométricos. Este problema se ejemplifica a través de un e...

Globalisation, the Internet and social media have changed the kind of actors with influence in the wine industry and the way these actors create signals to communicate credible information about experience and trust attributes. Among the most prestigious experts in the world of wine are the Masters of Wine (MW). Although initially devoted to intern...

Scientific software is a fundamental player in modern science, participating in all stages of scientific knowledge production. Software occasionally supports the development of trivial tasks, while at other instances it determines procedures, methods, protocols, results, or conclusions related with the scientific work. The growing relevance of scie...

The Moscow International University Ranking (MosIUR) is a global university ranking launched in 2017 with the intention of evaluating universities by considering three essential dimensions (education, research, and knowledge transfer). This ranking was designed and developed by the Russian Union of Rectors following a direct request from President...

Gang literature increasingly reflects the importance of social media in gang lifestyle, as gang members adopt new communicative practices. Yet, because of the multifaceted nature of online gang activity and the diversity of methodologies employed, a general overview of research outcomes is not easily achieved. This article seeks to remedy this by a...

Dot-science was launched in 2015 as a new academic top-level domain aimed to provide ‘a dedicated, easily accessible location for global Internet users with an interest in science’. The main objective of this work is to find out the general scholarly usage of this top-level domain. In particular, the following three questions are pursued: usage (nu...

Dot-science was launched in 2015 as a new academic top-level domain (TLD) aimed to provide 'a dedicated, easily accessible location for global Internet users with an interest in science'. The main objective of this work is to find out the general scholarly usage of this top-level domain. In particular, the following three questions are pursued: usa...

In the original publication of the article, Fig. 5 was incorrectly published.

The purpose of this study is to determine the feasibility of ranking universities considering the number of its graduates employed in top companies (selective employability), as mapped through LinkedIn. To achieve this, we analyzed the presence of 3,716,720 graduates from eighty Spanish universities hired by the Iberian Index companies, considering...

The main objective of this work is to determine the collaboration level of Latin American universities with companies in terms of scientific co-authorship, and to identify the main institutions involved in these collaborations. To do this, all publications from 2009 to 2018 with at least one co-author belonging to each of 20 Latin American countrie...

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 Web of Science Core Collection (WoS), Scopus, or Google Scholar, there is no systematic evidence of their differences across subject c...

Top-level domains, in addition to fulfilling the technical function of enabling access to network resources, allow information professionals in general, and content managers in particular, to work with domain names for branding and search engine optimization (SEO) purposes. Likewise, they facilitate the performance of metric analyses thanks to thei...

Cybermetrics field is attracting considerable interest due to its utility as a data-oriented technique for research, though it may provide misleading information when used in complex systems. This paper outlines a new approach to market research analysis through the definition of composite indicators for cybermetrics, applied to the Spanish wine ma...

El objetivo del presente trabajo es analizar la relación universidad-empresa estudiando la forma en la que las empresas del IBEX35 contratan titulados de las universidades españolas. Para ello, se profundiza en la manera en la que afecta la ubicación tanto de empresas como de universidades a la contratación de egresados. Se han recogido datos sobre...

Se propone un modelo de análisis del posicionamiento web de universidades basado en un vocabulario de palabras clave categorizadas según las distintas misiones universitarias, que se aplica a una universidad (Universitat Politècnica de València) para comprobar su idoneidad. A partir de un vocabulario de 164 palabras clave se construyeron 290 consul...

ResearchGate es una plataforma de compartición de contenidos académicos que incluye servicios de valor añadido (mensajería, redes sociales, métricas de impacto, alertas informativas, búsqueda de empleo, etc.). Su facilidad de uso, gratuidad y utilidad ha llevado a la comunidad científica a depositar (en ocasiones de forma exclusiva en esta platafor...

The purpose of this study is to ascertain the suitability of GS's url-based method as a valid approximation of universities' academic output measures, taking into account three aspects (retroactive growth, correlation, and coverage). To do this, a set of 100 Turkish universities were selected as a case study. The productivity in Web of Science (WoS...

The main objective of this work is to analyse the contributions of Judit Bar-Ilan to the search engines studies. To do this, two complementary approaches have been carried out. First, a systematic literature review of 47 publications authored and co-authored by Judit and devoted to this topic. Second, an interdisciplinarity analysis based on the ci...

El objetivo de este trabajo es determinar el volumen de vídeos sobre Covid-19 publicados y difundidos a través de YouTube y relacionados directa o indirectamente con el territorio nacional español, caracterizar su impacto (en términos de visualizaciones, likes y comentarios recibidos), y finalmente categorizar los canales a través de los cuales se...

The main objective of this work is to analyse the contributions of Judit Bar-Ilan to the search engines studies. To do this, two complementary approaches have been carried out. First, a systematic literature review of 47 publications authored and co-authored by Judit and devoted to this topic. Second, an interdisciplinarity analysis based on the ci...

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 Web of Science (WoS), Scopus, or Google Scholar, there is no systematic evidence of their differences across subject categories. In re...

The objective of this work is to identify the main features of ResearchGate as an academic social network and its potential for research evaluation. To do this, first the birth of academic social networks in general, and ResearchGate in particular, are described. Next, a literature review about ResearchGate is carried out, showing the main topics c...

El objetivo de este trabajo es analizar cómo afecta la implantación del Reglamento General de Protección de datos (RGPD) en el trabajo del investigador, especialmente en aquel que utiliza Twitter como unidad/objeto de estudio. Para ello, el trabajo se divide en tres grandes bloques. El objetivo del primer bloque es describir y analizar el RGPD (esp...

The main goal is to demonstrate that Technical Universities exhibit distinct ranking performance in comparison to the rest of universities. Results evidence that the original ranking manifestly diminishes the potential of TUs performance. The results also prove a distinct statistical behaviour of TUs, characterized by moderate-to-high scores in I...

Being able to find, assess and place new research within a field of knowledge, is integral to any research project. For social scientists this process is increasingly likely to take place on Google Scholar, closely followed by traditional scholarly databases. In this post, we analyse the relative coverage of the three main research databases, Googl...

El objetivo de este trabajo es determinar cómo afecta el RGPD al trabajo del investigador que utiliza Twitter como unidad de estudio y/u objeto de estudio, en todo el ciclo investigador (desde la captura de los datos hasta la publicación de los resultados de investigación). Para ello la presentación se divide en 3 bloques: a) Describir el RGPD esp...

Google Trends se actualizó en mayo de 2018 incorporando importantes novedades, como un rediseño de la sección de tendencias de búsqueda, mejoras en la visualización de datos, así como la inclusión de Stories, piezas de contenidos curados de gran utilidad para los profesionales de la comunicación. Los objetivos principales de este trabajo son explic...

The purpose of this study is to ascertain the suitability of GS’s url-based method as a valid approximation of universities’ academic output measures, taking into account three aspects (retroactive growth, correlation, and coverage). To do this, a set of 100 Turkish universities were selected as a case study. The productivity in Web of Science (WoS...

The Master of Wine (MW) certification is the most prestigious in the world of wine. There are currently 384 MW worldwide-out of the 452 that have obtained the certificate since its founding in 1953-from 30 different countries. All of them have a great reputation and occupy important responsibilities in the different organizations that make up the g...

El principal objetivo del presente trabajo es analizar la aportación que las revistas académicas hacen a la marca de la universidad. Para ello se identifica la presencia de revistas y universidades editoras en las bases de datos bibliográficas de referencia (Science Citation Index, Social Sciences Citation Index y Arts & Humanities Citation Index,...

The interconnection between the Dimensions database and Altmetric.com provides an opportunity to carry out a worldwide analysis on altmetrics coverage of scientific literature, analyzing the percentage of documents with altmetric mentions not only in general (indexed documents), but also filtered according to different units of analysis. In order t...

The main objective of this study is to identify the main SEO strategies implemented by the cybermedia's YouTube channels using a battery of web metrics at the channel and video levels. To this end, a sample comprising the ten cybermedia channels in Spain with the highest web traffic is considered. At the channel level, a significant positive correl...

Los objetivos principales de la ponencia son comprender que las revistas científicas online no dejan de ser páginas web. Por tanto, una mala página web puede destruir la visibilidad y la reputación de una revista científica. Para ello, se analiza la presencia e impacto de las revistas colombianas en la Web mediante indicadores cibermétricos y se p...

El principal objetivo de este trabajo es mostrar cómo la correcta aplicación de técnicas cibermétricas a la pediatría puede proporcionar una ingente cantidad de información que, correctamente analizada y contextualizada, facilita la toma de decisiones estratégicas a los distintos agentes involucrados de forma directa o indirecta en esta especialida...

Resumen: La red social académica ResearchGate, más allá de proporcionar distintas prestaciones orientadas a favorecer la interacción y conectividad entre investigadores, ofrece a sus usuarios un amplio abanico de métricas tanto a nivel de ítem (documentos, proyectos y preguntas/respuestas) como de autor que, calculados sobre la base de más de 118 m...

Las relaciones entre Cine y Derecho han sido frecuentes a lo largo de la historia. Esto se ha reflejado provoca que dentro de las metodologías recientes en la docencia de las disciplinas jurídicas se abogue por la utilización de la cinematografía para observar y fomentar el aprendizaje en materia jurídica. Si quisiéramos fijar un punto de partida n...

The main objectives of this presentation is to provide evidence about the technical requirements of Institutional repositories to be indexed in Google Scholar, and too analyse the presence of the main Belarusian institutional repositories.

The wine market has become globalized, and the increase and diversification of supply increases the demand for information by consumers. Due to the size of its market and the capacity of its companies, the United States has a growing weight in the global wine business, and critics and specialized American media have a great influence on consumers a...

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 differences between them. In response, this paper investigates 2,448,055 citations to 2299 English-language highly-cited documents fr...

In order to improve the perception of Statistics’ usefulness by the students of the Higher Technical School of Computer Science Engineering (ETSINF) at the Polytechnic University of Valencia (UPV), a teaching innovation project was developed based on the creation of a closed group in Facebook. The students were allowed to comment on different stati...

This presentation contains the contents of the conference paper presented at STI Conference, held in Leiden (Netherlands). The main goal of the presentation is to assess whether Google Scholar’s Classic Papers can be used reliably for identifying highly-cited documents. Additionally, specific strengths and shortcomings are highlighted. The use of...

This work introduces a new procedure to typify the behaviour of Twitter accounts belonging to Triple-Helix institutions through the identification and classification of users mentioned over time. As a case study, this presentation covers 3 institutions (1 university, 1 government body, and 1 private company) in a regional environment (Catalonia) a...

In June 2017 Google Scholar launched a new product called Classic Papers. This service currently displays the most cited English-language original research articles by fields and published in 2006. The main goal of this work is to describe the main characteristics and features of this Google Scholar’s new service, as well as to highlight its main s...

Los principales objetivos de este trabajo son determinar el grado de internacionalización de la producción científica española sobre vino y comprobar si la aplicación de métricas alternativas ofrece una visión más o menos internacional que la proporcionada por las métricas tradicionales. A tal fin se han identificado y analizado 551 documentos indi...

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 differences between them. In response, this paper investigates 2,448,055 citations to 2,299 English-language highly-cited documents f...

En este trabajo se presenta una experiencia de innovación docente basada en la utilización de redes sociales. El principal objetivo de la experiencia es que los alumnos mejoren la percepción y comprensión de las aplicaciones de la Estadística en el mundo real. La experiencia fue realizada en el curso 2015 – 2016 con alumnos de grado y de máster que...

Se presentan los resultados obtenidos de una nueva actividad de innovación docente que se ha aplicado a dos titulaciones de Máster impartidas en la Universitat Politècnica de València, consistente en utilizar un mismo audiovisual, Tutankamon, para evaluar si los estudiantes eran capaces de observar dos competencias transversales distintas: pensamie...

The 2015 edition of Google Scholar Metrics was released on Juny 25 th 2015. There haven't been any structural changes respect to previous versions, which means that most of its limitations still persist. Continuity and stability are the norm in this edition. The total number of publications that can be visualized in the 2015 rankings is 7,211. Now,...

The aim of this work is to determine to what extent Robert Parker has lost his influence as a prescriber in the world of wine through a webometric analysis based on a comparative analysis of Parker's web influence and that of a competitor who represents an anthitetical vision of the world of wine (Alice Feiring). To do this, we carried out a compar...