José Luis Ortega: Papers

Forthcomings

Delgado-Quirós, L., & Ortega, J. L. (in press), Quantitative comparison of publication metadata in eight free-access databases, Quantitative Science Studies

2024

Delgado‐Quirós, L., Aguillo, I. F., Martín‐Martín, A., López‐Cózar, E. D., Orduña‐Malea, E., & Ortega, J. L. (2024), Why are these publications missing? Uncovering the reasons behind the exclusion of documents in free‐access scholarly databases, Journal of the Association for Information Science and Technology, 75(1), 43-58.

Cárdenas, J., Ortega, J. L., & Fernández-Esquinas, M. (2024), Networks and Innovation: Enhancing Knowledge Through a Bibliometric Network Analysis, International Journal of Technology Management, 94(2), 182-212.

2023

Fernández-Esquinas, M., Espinosa-Soriano, P., Ortega, J. L., & Massó, M. (2023), Economic sociology in Europe and North America: An exploration based on a systematic review of the literature. In: A. Maurer, S. Nessel, & A. Veira-Ramos (Eds.), Economic Sociology in Europe. London: Routledge, 227-258.

Ortega, J. L., & Delgado-Quirós, L. (2023), Influence of different journal publishing models in the presence and detection of scientific errors and misconduct, Revista Española de Documentación Científica, 46(4), e374

Teixeira Da Silva, J.A., Huang, C., & Ortega, J.L. (2023), Open Citations as a Tool for Bibliometric Verification and Transparency and for Correcting Erroneous References, Journal of Scholarly Publishing, 54(1), 60-79.

Ortega, J. L., & Delgado-Quirós, L. (2023), How do journals deal with problematic articles. Editorial response of journals to articles commented in PubPeer, Profesional De La información, 32(1), a87096

2022

Ortega, J. L. (2022), Classification and analysis of PubPeer comments: How a web journal club is used, Journal of the Association for Information Science and Technology, 73(5), 655-670

Jiménez Contreras, E., & Ortega, J. L. (2022), Análisis de la colaboración científica en la sociología española, En: Fernández Esquinas, M., Domínguez Amorós, M. La sociología en España: Diagnóstico y perspectivas de futuro. Madrid: Marcial Pons, 9788413813417

Navarro Ardoy, L., Ortega, J. L., & Fernández Esquinas, M. (2022), La sociología en los medios de comunicación: Un análisis del impacto en la prensa española, En: Fernández Esquinas, M., Domínguez Amorós, M. La sociología en España: Diagnóstico y perspectivas de futuro. Madrid: Marcial Pons, 9788413813417

2021

Ortega, J. L. (2021), How do media mention research papers? Structural analysis of blogs and news networks using citation coupling, Journal of Informetrics, 15(3):101175

Ortega, J. L. (2021), Cover versions as an impact indicator in popular music: A quantitative network analysis, PLOS ONE,16(4):e0250212

Ortega, J. L. (2021), The relationship and incidence of three editorial notices in PubPeer: Errata, expressions of concern, and retractions, Learned Publishing, 34(2): 164-174

Ortega, J. L. (2021), El movimiento Open Citations y sus implicaciones en la transformación de la evaluación científica, Arbor, 197(799): a592

2020

Ortega, J. L. (2020), Proposal of composed altmetric indicators based on prevalence and impact dimensions, Journal of Informetrics,14(4):101071

Ortega, J. L. (2020), Altmetrics data providers: A meta-analysis review of the coverage of metrics and publications, El Profesional de la Información, 29(1): e290107

Ortega, J. L. (2020), Blogs and news sources coverage in altmetrics data providers: a comparative analysis by country, language, and subject, Scientometrics, 122(1): 555-572

2019

Ortega, J. L. (2019), The coverage of blogs and news in the three major altmetric data providers, 17th International Conference of the International Society for Scientometrics and Informetrics, Rome, Italy

Ortega, J. L. (2019), Availability and audit of links in altmetric data providers: Link checking of blogs and news in Altmetric.com, Crossref Event Data and PlumX, Journal of Altmetrics, 2(1): 4

Ortega, J. L. (2019), Exploratory analysis of Publons metrics and their relationship with bibliometric and altmetric impact, Aslib Journal of Information Management, 71(1): 124-136

2018

Ortega, J. L. (2018), Reliability and accuracy of altmetric providers: a comparison among Altmetric.com, PlumX and Crossref Event Data, Scientometrics, 116(3): 2123-2138

Ortega, J. L. (2018), The Life Cycle of Altmetric Impact: A Longitudinal Study of Six Metrics from PlumX, Journal of Informetrics, 12(3): 579-589

Ortega, J. L. (2018), Disciplinary differences of the impact of altmetric, FEMS Microbiology Letters, 365(7): fny049

2017

Ortega, J. L. (2017), Toward a homogenization of academic social sites: a longitudinal study of profiles in Academia.edu, Google Scholar Citations and ResearchGate, Online Information Review, 41(6): 812-825

Ortega, J. L. (2017), The presence of academic journals on Twitter and its relationship with dissemination (tweets) and research impact (citations), Aslib Journal of Information Management, 69(6): 1-15

Ortega, J. L. (2017), Are peer-review activities related to reviewer bibliometric performance? A scientometric analysis of Publons, Scientometrics, 112(2): 947-962

2016

Ortega, J. L. (2016), Social Network Sites for Scientists: A Quantitative survey. Oxford, UK: Chandos Publishing (Elsevier Group), pp. 198, ISBN: 9780081005927

Ortega, J. L. (2016), To be or not to be on Twitter, and its relationship with the tweeting and citation of research papers, Scientometrics, 109(2): 1353-1364

2015

Ortega, J. L. (2015), Differences and evolution of scholarly impact in Google Scholar Citations profiles: An application of Decision trees, Revista Española de Documentación Científica, 38(4): e102

Ortega, J. L. (2015), Disciplinary differences in the use of academic social networking sites, Online Information Review, 39(4): 520-536

Ortega, J. L. (2015), How is an academic social site populated? A demographic study of Google Scholar Citations population, Scientometrics, 104(1): 1-18

Ortega, J. L. (2015), Relationship between altmetric and bibliometric indicators across academic social sites: the case of CSIC’s members, Journal of Informetrics, 9(1): 39-49

2014

Ortega, J. L. (2014), Academic Search Engines: A Quantitative Outlook. Oxford, UK: Chandos Publishing (Elsevier Group), pp. 200, ISBN: 1843347911

Ortega, J. L. (2014), Influence of co-authorship networks in the research impact: Ego network analyses from Microsoft Academic Search, Journal of Informetrics, 8(3): 728-737

Ortega, J. L., & Aguillo, I. F. (2014), Microsoft Academic Search and Google Scholar Citations: A comparative analysis of author profiles, Journal of the American Society for Information Science and Technology, 65(6):1149-1156

Ortega, J. L., Orduña, E., & Aguillo, I. F. (2014), Are web mentions accurate substitutes of inlinks for Spanish universities? Online Information Review, 38(1): 59-77

Orduña, E., Ortega, J. L., & Aguillo, I. F. (2014), Influence of language and file type on the web visibility of top European universities,Aslib Journal of Information Management, 66(1): 96-116

2013

Ortega, J. L., & Aguillo, I. F. (2013),Institutional and country collaboration in an online service of scientific profiles: Google Scholar Citations,Journal of Informetrics, 7(2): 394-403

Ortega, J. L., & Aguillo, I. F. (2013),Network visualisation as a way to the web usage analysis, Aslib Proceedings, 65(1): 40-53

2012

Ortega, J. L., & Aguillo, I. F. (2012),Science is all in the eye of the beholder: keyword maps in Google Scholar Citations,Journal of the American Society for Information Science and Technology, 63(12): 2370-2377

2011

Utrilla-Ramírez, A. M., Aguillo, I. F., & Ortega, J. L., (2011), Visibilidad de la web hospitalaria iberoamericana: Perspectiva de su actividad científica en internet , Medicina Clínica, 137(13): 605-611

Ortega, J. L. (2011), Collaboration pattern in patent networks and their relationships with the transfer of technology: the case study of the CSIC patents , Scientometrics, 87(3): 657-666

Ortega, J. L., & Aguillo, I. F. (2011), Social Network Tools for the Assessment of the University Web Performance, In: White, B., King, I., Tsang, P. (eds.) Social Media Tools and Platforms in Learning Environments. Spinger ISBN 978-3-642-20391-6

Ortega, J. L., López-Romero, E., & Fernández, I. (2011),Multivariate approach to classify research institutes according to their outputs: the case of the CSIC's institutes, Journal of Informetrics, 5(3): 323-33

2010

Aguillo, I. F., Bar-Ilan, J., Levene, M., & Ortega, J. L. (2010), Comparing university rankings, Scientometrics, 85(1): 243-256

Aguillo, I. F., Ortega, J. L., Fernández, M., & Utrilla, A. M. (2010), Indicators for a webometric ranking of open access repositories, Scientometrics, 82(3): 477-486

Ortega, J. L., & Aguillo, I. F. (2010), La participación española en los programas europeos: análisis estructural del área de salud del 6º Programa Marco, Revista Española de Documentación Científica, 33(2):287-297

Ortega, J. L., Aguillo, I. F. (2010), Describing national science and technology systems through a multivariate approach: country participation in the 6th Framework Programmes, Scientometrics, 84(2): 321-330

Ortega, J. L., & Aguillo, I. F. (2010), Network collaboration in the 6th Framework Programmes: country participation in the health thematic area, Scientometrics, 84(3): 835-844

Ortega, J. L., & Aguillo, I. F. (2010), Shaping the European research collaboration in the 6th Framework Programme health thematic area through network analysis, Scientometrics, 85(1): 377-386

Ortega, J. L., & Aguillo, I. F. (2010), Differences between web sessions according to the origin of their visits, Journal of Informetrics, 4(3): 331-337

2009

Fernández, M., Zamora, H., Ortega, J. L., Utrilla, A. M., & Aguillo, I. F. (2009), Género y visibilidad web de la actividad de profesores universitarios españoles: el caso de la Universidad Complutense de Madrid, Revista Española de Documentación Científica, 32(2): 51-65

Ortega, J. L., & Aguillo, I. F. (2009), Mapping world-class universities on the web, Information Processing & Management 45 (2), 272-279

Ortega, J. L., & Aguillo, I. F. (2009), North America Academic Web Space: Multicultural Canada vs. The United States Homogeneity, ASIST & ISSI Pre-Conference Symposium on Informetrics and Scientometrics, Vancouver, Canada

2008

Aguillo, I. F., Ortega, J. L., & Fernández, M. (2008), Webometrcis Ranking of World Universities: Introduction, Methodology and Future Developments, High Education in Europe, 33(2-3): 233-244

Ortega, J. L., Aguillo, I., Cothey, V., & Scharnhorst, A. (2008), Maps of the academic web in the European Higher Education Area - an exploration of visual web indicators, Scientometrics, 74(2): 295-308 [html]

Ortega, J. L., & Aguillo, I. F. (2008), Visualization of the Nordic academic web: Link analysis using Social Network tools ,Information Processing & Management, 44(4): 1624-1633

Ortega, J. L., & Aguillo, I. F. (2008), Linking patterns in the European Union’s Countries: geographical maps of the European academic web space ,Journal of Information Science, 34(5), 705-714

Ortega, J. L., & Aguillo, I. F. (2008). Análisis estructural de una red social en línea: la red española de Flickr, El Profesional de la Información, 17(6)

Ortega, J. L., & Aguillo, I. F. (2008), Germany in the European academic web space, Fourth International Conference on Webometrics, Informetrics and Scientometrics & Ninth COLLNET, Berlin, Germany

2007

Aguillo, I. F., Ortega, J. L., Prieto, J. A., & Granadino, B. (2007), Indicadores Web de actividad científica formal e informal en Latinoamérica, Revista Española de Documentación Científica, 30(1): 49-60

Ortega, J. L. (2007), Visualización de la web universitaria europea: Análisis cuantitativo de enlaces a través de técnicas cibermétricas [PhD Tesis] Madrid: Universidad Carlos III de Madrid

Ortega, J. L., & Aguillo, I. (2007), La web académica española en el contexto del Espacio Europeo de Educación Superior: estudio exploratorio, El Profesional de la Información, 16(5): 417-425

Ortega, J. L., & Aguillo, I. (2007), Interdisciplinary relationships in the Spanish academic web space: A Webometric study through networks visualization, Cybermetrics, 11(1): paper 4

Ortega, J. L., & Aguillo, I. (2007), Linear analysis of cybermetric data: Quantifying the European university web space, 11th International Conference of the International Society for Scientometrics and Informetrics, Madrid, Spain

Zamora, H., Aguillo, I. F., Ortega, J. L., & Granadino, B. (2007), Calidad formal, impacto y visibilidad de las revista-e universitarias españolas, El Profesional de la Información, 16(1): 13-23

2006

Aguillo, I. F., Granadino, B., Ortega, J. L., & Prieto, J. A. (2006), Scientific research activity and communication measured with cybermetrics indicators, Journal of the American Society for Information Science and Technology, 57(10): 1296-1302

Aguillo, I. F., Ortega, J. L., & Granadino, B. (2006), Webometric evidence of an academic digital divide in France, 9th International Conference on Science and Technology Indicators, Leuven, Belgium

Aguillo, I. F., Ortega, J. L., & Granadino, B. (2006),Contenidos del buscador Google: Distribución por países, dominios e idiomas, El Profesional de la Información, 15(5): 384-389

Aguillo, I. F., Ortega, J. L., & Granadino, B. (2006), Evaluación de la presencia en la Web: Un nuevo reto para científicos y tecnólogos españoles, Acta Científica y Tecnológica, 11: 17-19

Ortega, J. L., & Aguillo, I. (2006), Análisis de co-enlaces: una aproximación teórica, El Profesional de la Información, 15(4): 270-277

Ortega, J. L., Aguillo, I., & Prieto, J. A. (2006), Longitudinal Study of Contents and Elements in the Scientific Web environment, Journal of Information Science, 32 (4): 344-351

2005

Aguillo, I. F., Granadino, B., Ortega, J. L., & Prieto, J. A. (2005), What the internet says about the Science, The Scientist, 19(14): 10

Ortega Priego, J. L. (2005), Análisis de sesiones de la web del Cindoc: una aproximación a la minería de uso web, El profesional de la información, 14(3): 190-198.

Ortega, J. L. (2005), Análisis de la investigación universitaria española a través de Mapas de la Ciencia en la Web: Una propuesta metodológica del Modelo de Espacios Vectoriales [Master degree dissertation], Madrid: Universidad Carlos III de Madrid

Ortega, J. L., & Aguillo, I. F. (2005), A web map of the CSIC research centres: A comparative study of the Cosine and the Parson's correlation coefficient in a Colink analysis, 10th International Conference of the International Society for Scientometrics and Informetrics, Stockholm, Sweden

Ortega, J. L., Prieto, J. A., Arroyo, N., Pareja, V., & Aguillo, I. (2005), Análisis de la persistencia y del estado de páginas web en los resultados de Google, 9ª Jornadas Españolas de Documentación. "Infogestión", Madrid

2004

Ortega Priego, J. L. (2004), Análisis del Consumo de Información de una Revista Electrónica: Análisis de Ficheros Log de Cybermetrics, Revista Española de Documentación Científica, 27(4): 455-468

2003

Ortega Priego, J. L. (2003), A Vector Space Model as a methodological approach to the Triple Helix dimensionality: A comparative study of Biology and Biomedicine Centres of two European National Research Councils from a Webometric view, Scientometrics, 58(2): 429-443

2002

Valero, M., Ortega, J. L., & Valenzuela, J. J. (2002), Catálogo y clasificación del Archivo de la Sociedad otorrinolaringológica Andaluza , Seminario Médico, 54(3): 35-52

2001

Ortega Priego, J. L. (2001), Análisis de referencias basado en un Modelo de Espacios Vectoriales: La investigación en Historia Contemporánea en Jaén en el periodo 1990-1995 , Revista Española de Documentación Científica, 24(4): 369-381