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. - José Luis Ortega Priego (Scientometrics, 2003)

Scientific research activity and communication measured with cybermetrics indicators. - Isidro F. Aguillo; Begoña Granadino; José Luis Ortega 001; José Antonio Prieto (J. Assoc. Inf. Sci. Technol., 2006)

Longitudinal study of content and elements in the scientific web environment. - José Luis Ortega 001; Isidro F. Aguillo; José Antonio Prieto (J. Inf. Sci., 2006)

Visualization of the Nordic academic web: Link analysis using social network tools. - José Luis Ortega 001; Isidro F. Aguillo (Inf. Process. Manag., 2008)

Linking patterns in European Union countries: geographical maps of the European academic web space. - José Luis Ortega 001; Isidro F. Aguillo (J. Inf. Sci., 2008)

Maps of the academic web in the European Higher Education Area - an exploration of visual web indicators. - José Luis Ortega 001; Isidro F. Aguillo; Viv Cothey; Andrea Scharnhorst (Scientometrics, 2008)

Mapping world-class universities on the web. - José Luis Ortega 001; Isidro F. Aguillo (Inf. Process. Manag., 2009)

How old is the Web? Characterizing the age and the currency of the European scientific Web. - José Luis Ortega 001; Viv Cothey; Isidro F. Aguillo (Scientometrics, 2009)

Differences between web sessions according to the origin of their visits. - José Luis Ortega 001; Isidro F. Aguillo (J. Informetrics, 2010)

Comparing university rankings. - Isidro F. Aguillo; Judit Bar-Ilan; Mark Levene; José Luis Ortega 001 (Scientometrics, 2010)

Indicators for a webometric ranking of open access repositories. - Isidro F. Aguillo; José Luis Ortega 001; Mario Fernández; Ana M. Utrilla (Scientometrics, 2010)

Describing national science and technology systems through a multivariate approach: country participation in the 6th Framework Programmes. - José Luis Ortega 001; Isidro F. Aguillo (Scientometrics, 2010)

Network collaboration in the 6th Framework Programmes: country participation in the health thematic area. - José Luis Ortega 001; Isidro F. Aguillo (Scientometrics, 2010)

Shaping the European research collaboration in the 6th Framework Programme health thematic area through network analysis. - José Luis Ortega 001; Isidro F. Aguillo (Scientometrics, 2010)

Social Network Tools for the Assessment of the University Web Performance. - José Luis Ortega 001; Isidro F. Aguillo (Social Media Tools and Platforms in Learning Environments, 2011)

Multivariate approach to classify research institutes according to their outputs: The case of the CSIC's institutes. - José Luis Ortega 001; Elena López-Romero; Inés Fernández (J. Informetrics, 2011)

Collaboration patterns in patent networks and their relationship with the transfer of technology: the case study of the CSIC patents. - José Luis Ortega 001 (Scientometrics, 2011)

Science is all in the eye of the beholder: Keyword maps in Google scholar citations. - José Luis Ortega 001; Isidro F. Aguillo (J. Assoc. Inf. Sci. Technol., 2012)

Network visualisation as a way to the web usage analysis. - José Luis Ortega 001; Isidro F. Aguillo (Aslib Proc., 2013)

Institutional and country collaboration in an online service of scientific profiles: Google Scholar Citations. - José Luis Ortega 001; Isidro F. Aguillo (J. Informetrics, 2013)

Influence of language and file type on the web visibility of top European universities. - Enrique Orduña-Malea; José Luis Ortega 001; Isidro F. Aguillo (Aslib J. Inf. Manag., 2014)

Microsoft academic search and Google scholar citations: Comparative analysis of author profiles. - José Luis Ortega 001; Isidro F. Aguillo (J. Assoc. Inf. Sci. Technol., 2014)

Influence of co-authorship networks in the research impact: Ego network analyses from Microsoft Academic Search. - José Luis Ortega 001 (J. Informetrics, 2014)

Are web mentions accurate substitutes for inlinks for Spanish universities? - José Luis Ortega 001; Enrique Orduña-Malea; Isidro F. Aguillo (Online Inf. Rev., 2014)

Relationship between altmetric and bibliometric indicators across academic social sites: The case of CSIC's members. - José Luis Ortega 001 (J. Informetrics, 2015)

Disciplinary differences in the use of academic social networking sites. - José Luis Ortega 001 (Online Inf. Rev., 2015)

How is an academic social site populated? A demographic study of Google Scholar Citations population. - José Luis Ortega 001 (Scientometrics, 2015)

To be or not to be on Twitter, and its relationship with the tweeting and citation of research papers. - José Luis Ortega 001 (Scientometrics, 2016)

The presence of academic journals on Twitter and its relationship with dissemination (tweets) and research impact (citations). - José Luis Ortega 001 (Aslib J. Inf. Manag., 2017)

Toward a homogenization of academic social sites: A longitudinal study of profiles in Academia.edu, Google Scholar Citations and ResearchGate. - José Luis Ortega 001 (Online Inf. Rev., 2017)

Are peer-review activities related to reviewer bibliometric performance? A scientometric analysis of Publons. - José Luis Ortega 001 (Scientometrics, 2017)

Exploratory analysis of Publons metrics and their relationship with bibliometric and altmetric impact. - José Luis Ortega 001 (Aslib J. Inf. Manag., 2018)

The life cycle of altmetric impact: A longitudinal study of six metrics from PlumX. - José Luis Ortega 001 (J. Informetrics, 2018)

Reliability and accuracy of altmetric providers: a comparison among Altmetric.com, PlumX and Crossref Event Data. - José Luis Ortega 001 (Scientometrics, 2018)

The coverage of blogs and news in the three major altmetric data providers. - José Luis Ortega 001 (ISSI, 2019)

Proposal of composed altmetric indicators based on prevalence and impact dimensions. - José Luis Ortega 001 (J. Informetrics, 2020)

Blogs and news sources coverage in altmetrics data providers: a comparative analysis by country, language, and subject. - José Luis Ortega 001 (Scientometrics, 2020)

How do media mention research papers? Structural analysis of blogs and news networks using citation coupling. - José Luis Ortega 001 (J. Informetrics, 2021)

The relationship and incidence of three editorial notices in PubPeer: Errata, expressions of concern, and retractions. - José Luis Ortega 001 (Learn. Publ., 2021)

Classification and analysis of PubPeer comments: How a web journal club is used. - José Luis Ortega 001 (J. Assoc. Inf. Sci. Technol., 2022)

Networks and innovation: enhancing the knowledge through a bibliometric network analysis. - Julián Cárdenas; José Luis Ortega 001; Manuel Fernández-Esquinas (Int. J. Technol. Manag., 2024)

Completeness degree of publication metadata in eight free-access scholarly databases. - Lorena Delgado-Quirós; José Luis Ortega 001 (Quant. Sci. Stud., 2024)

Why are these publications missing? Uncovering the reasons behind the exclusion of documents in free-access scholarly databases. - Lorena Delgado-Quirós; Isidro F. Aguillo; Alberto Martín-Martín; Emilio Delgado López-Cózar; Enrique Orduña-Malea; José Luis Ortega 001 (J. Assoc. Inf. Sci. Technol., 2024)

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. - José Luis Ortega 001; Lorena Delgado-Quirós (Scientometrics, 2024)

Citation counts and inclusion of references in seven free-access scholarly databases: A comparative analysis. - Lorena Delgado-Quirós; José Luis Ortega 001 (J. Informetrics, 2025)