José Luis Ortega

46 papers Journal 44Unranked 1

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	Citation counts and inclusion of references in seven free-access scholarly databases: A comparative analysis. J. Informetrics Lorena Delgado-Quirós, José Luis Ortega
2025	J	`jnl`	How does pseudoscience differ from science? A pair-wise bibliometric analysis. Scientometrics José Luis Ortega
2025	J	`jnl`	Research entity information and coverage in eight free access scholarly databases. Online Inf. Rev. Lorena Delgado-Quirós, José Luis Ortega
2024	J	`jnl`	Completeness degree of publication metadata in eight free-access scholarly databases. Quant. Sci. Stud. Lorena Delgado-Quirós, José Luis Ortega
2024	J	`jnl`	Networks and innovation: enhancing the knowledge through a bibliometric network analysis. Int. J. Technol. Manag. Julián Cárdenas, José Luis Ortega, Manuel Fernández-Esquinas
2024	J	`jnl`	The indexation of retracted literature in seven principal scholarly databases: a coverage comparison of dimensions, OpenAlex, PubMed, Scilit, Scopus, The Lens and Web of Science. Scientometrics José Luis Ortega, Lorena Delgado-Quirós
2024	J	`jnl`	Why are these publications missing? Uncovering the reasons behind the exclusion of documents in free-access scholarly databases. J. Assoc. Inf. Sci. Technol. Lorena Delgado-Quirós, Isidro F. Aguillo, Alberto Martín-Martín, Emilio Delgado López-Cózar, Enrique Orduña-Malea, José Luis Ortega
2022	J	`jnl`	Classification and analysis of PubPeer comments: How a web journal club is used. J. Assoc. Inf. Sci. Technol. José Luis Ortega
2021	J	`jnl`	How do media mention research papers? Structural analysis of blogs and news networks using citation coupling. J. Informetrics José Luis Ortega
2021	J	`jnl`	The relationship and incidence of three editorial notices in PubPeer: Errata, expressions of concern, and retractions. Learn. Publ. José Luis Ortega
2020	J	`jnl`	Blogs and news sources coverage in altmetrics data providers: a comparative analysis by country, language, and subject. Scientometrics José Luis Ortega
2020	J	`jnl`	Proposal of composed altmetric indicators based on prevalence and impact dimensions. J. Informetrics José Luis Ortega
2019	—	`conf`	The coverage of blogs and news in the three major altmetric data providers. ISSI José Luis Ortega
2018	J	`jnl`	Exploratory analysis of Publons metrics and their relationship with bibliometric and altmetric impact. Aslib J. Inf. Manag. José Luis Ortega
2018	J	`jnl`	Reliability and accuracy of altmetric providers: a comparison among Altmetric.com, PlumX and Crossref Event Data. Scientometrics José Luis Ortega
2018	J	`jnl`	The life cycle of altmetric impact: A longitudinal study of six metrics from PlumX. J. Informetrics José Luis Ortega
2017	J	`jnl`	Are peer-review activities related to reviewer bibliometric performance? A scientometric analysis of Publons. Scientometrics José Luis Ortega
2017	J	`jnl`	The presence of academic journals on Twitter and its relationship with dissemination (tweets) and research impact (citations). Aslib J. Inf. Manag. José Luis Ortega
2017	J	`jnl`	Toward a homogenization of academic social sites: A longitudinal study of profiles in Academia.edu, Google Scholar Citations and ResearchGate. Online Inf. Rev. José Luis Ortega
2016	J	`jnl`	To be or not to be on Twitter, and its relationship with the tweeting and citation of research papers. Scientometrics José Luis Ortega
2015	J	`jnl`	Disciplinary differences in the use of academic social networking sites. Online Inf. Rev. José Luis Ortega
2015	J	`jnl`	How is an academic social site populated? A demographic study of Google Scholar Citations population. Scientometrics José Luis Ortega
2015	J	`jnl`	Relationship between altmetric and bibliometric indicators across academic social sites: The case of CSIC's members. J. Informetrics José Luis Ortega
2014	J	`jnl`	Are web mentions accurate substitutes for inlinks for Spanish universities? Online Inf. Rev. José Luis Ortega, Enrique Orduña-Malea, Isidro F. Aguillo
2014	J	`jnl`	Influence of co-authorship networks in the research impact: Ego network analyses from Microsoft Academic Search. J. Informetrics José Luis Ortega
2014	J	`jnl`	Influence of language and file type on the web visibility of top European universities. Aslib J. Inf. Manag. Enrique Orduña-Malea, José Luis Ortega, Isidro F. Aguillo
2014	J	`jnl`	Microsoft academic search and Google scholar citations: Comparative analysis of author profiles. J. Assoc. Inf. Sci. Technol. José Luis Ortega, Isidro F. Aguillo
2013	J	`jnl`	Institutional and country collaboration in an online service of scientific profiles: Google Scholar Citations. J. Informetrics José Luis Ortega, Isidro F. Aguillo
2013	J	`jnl`	Network visualisation as a way to the web usage analysis. Aslib Proc. José Luis Ortega, Isidro F. Aguillo
2012	J	`jnl`	Science is all in the eye of the beholder: Keyword maps in Google scholar citations. J. Assoc. Inf. Sci. Technol. José Luis Ortega, Isidro F. Aguillo
2011	J	`jnl`	Collaboration patterns in patent networks and their relationship with the transfer of technology: the case study of the CSIC patents. Scientometrics José Luis Ortega
2011	J	`jnl`	Multivariate approach to classify research institutes according to their outputs: The case of the CSIC's institutes. J. Informetrics José Luis Ortega, Elena López-Romero, Inés Fernández
2011	—	`ch.`	Social Network Tools for the Assessment of the University Web Performance. Social Media Tools and Platforms in Learning Environments José Luis Ortega, Isidro F. Aguillo
2010	J	`jnl`	Comparing university rankings. Scientometrics Isidro F. Aguillo, Judit Bar-Ilan, Mark Levene, José Luis Ortega
2010	J	`jnl`	Describing national science and technology systems through a multivariate approach: country participation in the 6th Framework Programmes. Scientometrics José Luis Ortega, Isidro F. Aguillo
2010	J	`jnl`	Differences between web sessions according to the origin of their visits. J. Informetrics José Luis Ortega, Isidro F. Aguillo
2010	J	`jnl`	Indicators for a webometric ranking of open access repositories. Scientometrics Isidro F. Aguillo, José Luis Ortega, Mario Fernández, Ana M. Utrilla
2010	J	`jnl`	Network collaboration in the 6th Framework Programmes: country participation in the health thematic area. Scientometrics José Luis Ortega, Isidro F. Aguillo
2010	J	`jnl`	Shaping the European research collaboration in the 6th Framework Programme health thematic area through network analysis. Scientometrics José Luis Ortega, Isidro F. Aguillo
2009	J	`jnl`	How old is the Web? Characterizing the age and the currency of the European scientific Web. Scientometrics José Luis Ortega, Viv Cothey, Isidro F. Aguillo
2009	J	`jnl`	Mapping world-class universities on the web. Inf. Process. Manag. José Luis Ortega, Isidro F. Aguillo
2008	J	`jnl`	Linking patterns in European Union countries: geographical maps of the European academic web space. J. Inf. Sci. José Luis Ortega, Isidro F. Aguillo
2008	J	`jnl`	Maps of the academic web in the European Higher Education Area - an exploration of visual web indicators. Scientometrics José Luis Ortega, Isidro F. Aguillo, Viv Cothey, Andrea Scharnhorst
2008	J	`jnl`	Visualization of the Nordic academic web: Link analysis using social network tools. Inf. Process. Manag. José Luis Ortega, Isidro F. Aguillo
2006	J	`jnl`	Longitudinal study of content and elements in the scientific web environment. J. Inf. Sci. José Luis Ortega, Isidro F. Aguillo, José Antonio Prieto
2006	J	`jnl`	Scientific research activity and communication measured with cybermetrics indicators. J. Assoc. Inf. Sci. Technol. Isidro F. Aguillo, Begoña Granadino, José Luis Ortega, José Antonio Prieto