Professor Mike Thelwall
BSc (Lancaster), PhD (Lancaster)
Information School
Professor of Data Science


Full contact details
Information School
Room C225
The Wave
2 Whitham Road
Sheffield
S10 2AH
- Profile
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I research scientometrics, metascience, and social media from a social science perspective. I am currently leading an ESRC-funded international metascience project assessing the value of large language models like ChatGPT for research evaluation and participating in an international project studying scientific retractions and misinformation in the media funded by the Calouste Gulbenkian Foundation. I primarily apply quantitative methods and artificial intelligence to social science issues, always with a reflexive perspective.
I previously worked at the University of Wolverhampton in 1989-2023 where I taught mathematics and statistics and researched educational technology before switching (by mistake, it’s an embarrassing story) to library and information science with a focus on web indicators for research evaluation (webometrics). I founded the Statistical Cybermetrics and Research Evaluation Group in 2000 to research bibliometrics and altmetrics/webometrics, which I led until moving to Sheffield. I have supervised 22 PhD students to completion in bibliometrics and sentiment analysis. My work has been cited 56,000 times and in 2015 I received the de Solla Price Medal for scientometrics.
I have collaborated on many international multidisciplinary research projects and have worked on external contracts applying innovative bibliometrics for various external organisations, including the United Nations Development Programme, the United Nations Food and Agriculture Organization, the Belgian government, Nesta (UK), UK Research and Innovation (UKRI), ESRC, Gulbenkian, and Jisc. I was part of the Metric Tide group that evaluated the role of bibliometrics in the Research Excellence Framework and now sit on the UK Forum for Responsible Research Metrics. In 2022 I led a team assessing whether artificial intelligence could play a role in future research assessment in the UK.
- Research interests
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My core disciplinary area is bibliometrics, also known as scientometrics, using primarily quantitative methods to investigate research processes or impacts. Although researching many aspects of this field, I have partly specialised in alternative indicators for research evaluation, known as altmetrics. In the past I have investigated the use of traditional Artificial Intelligence methods for research evaluation and now I am focusing on Large Language Models (LLMs) like ChatGPT, and Google Gemini.
I have also researched sentiment analysis in the past, developing the widely used software SentiStrength, which was used by Yahoo! and other companies as well as some digital artists. SentiStrength has been used in several high-profile digital art light installations including on the London Eye during the London Olympics, and on the Empire State Building during the Super Bowl.
An important parallel and ongoing aspect of my research is developing social science research methods and applying them to a wide range of social science and humanities fields. My research is often interdisciplinary, and I collaborate with scholars in diverse fields from complexity science to Victorian studies. Themes in my research include web-based data collection, methods development and evaluation, gender analysis, research evaluation, and research on research. I see my core strengths as combining programming skills with quantitative-led mixed methods and a curiosity about current research topics and social development.
Key research outputs include software SentiStrength (sentiment analysis), Mozdeh (social media analysis), and Webometric Analysis (scientometric and altmetric data collection and analysis) and numerous specific findings and inventions, such as the Mean Normalised Log-transformed Citation Score (MNLCS) for fair and precise estimates of average citation impact. From a methods perspective, I am particularly proud of, “I’m nervous about sharing this secret with you: YouTube influencers generate strong parasocial interactions by discussing personal issues” and “Predicting article quality scores with machine learning: The UK Research Excellence Framework”.
I would be happy to supervise PhDs related to bibliometrics or research evaluation, especially with an LLM component, as well as social media analysis topics with an emphasis on methods or large-scale data. I would also be happy to supervise broader data science projects with information science goals.
Mike's software and data is available at the following locations:
SentiStrength: here and here
Mozdeh: here and here
Webometric Analyst: here and here
SocSciBot: here and here
AI for research evaluation: here
Research data: here
- Publications
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Books
- Word Association Thematic Analysis. Springer International Publishing.
- Big Data and Innovation in Tourism, Travel, and Hospitality. Springer Singapore.
- Web Indicators for Research Evaluation. Springer International Publishing.
- Introduction to Webometrics: Quantitative Web Research for the Social Sciences. Springer International Publishing.
Journal articles
- Estimating the quality of academic books from their descriptions with ChatGPT. Journal of Academic Librarianship, 51(2). View this article in WRRO
- Journal Quality Factors from ChatGPT: More meaningful than Impact Factors?. Journal of Data and Information Science. View this article in WRRO
- Is Google Gemini better than ChatGPT at evaluating research quality?. Journal of Data and Information Science. View this article in WRRO
- Technology assisted research assessment: algorithmic bias and transparency issues. Aslib Journal of Information Management, 77(1). View this article in WRRO
- Evaluating research quality with large language models: an analysis of ChatGPT’s effectiveness with different settings and inputs. Journal of Data and Information Science. View this article in WRRO
- ChatGPT for complex text evaluation tasks. Journal of the Association for Information Science and Technology. View this article in WRRO
- How do museums and galleries help academics create societal impact? An analysis of the UK REF2021 impact case studies. Scientometrics. View this article in WRRO
- Academic Publishing in Small Island Developing States: Does University Research Support Development?. Higher Education Policy.
- Can ChatGPT evaluate research quality?. Journal of Data and Information Science, 9(2), 1-21. View this article in WRRO
- Which international co-authorships produce higher quality journal articles?. Journal of the Association for Information Science and Technology, 75(7), 769-788. View this article in WRRO
- Protect our environment from information overload. Nature Human Behaviour, 8(3), 402-403.
- The accuracy of field classifications for journals in Scopus. Scientometrics, 129(2), 1097-1117. View this article in WRRO
- Identifying disability-related barriers to academic employment. Studies in Higher Education, 49(11), 2104-2115. View this article in WRRO
- Artificial intelligence to support publishing and peer review: a summary and review. Learned Publishing, 37(1), 4-12. View this article in WRRO
- Factors associating with or predicting more cited or higher quality journal articles: An Annual Review of Information Science and Technology (ARIST) paper. Annual Review of Information Science and Technology, 75(3), 215-244. View this article in WRRO
- Word Association Thematic Analysis: Insight Discovery from the Social Web. SN Computer Science, 4(6).
- What is research funding, how does it influence research, and how is it recorded? Key dimensions of variation. Scientometrics, 128(11), 6085-6106. View this article in WRRO
- Can journal reviewers dependably assess rigour, significance, and
originality in theoretical papers? Evidence from physics. Research Evaluation, 32(2), 526-542. View this article in WRRO
- Do bibliometrics introduce gender, institutional or interdisciplinary biases into research evaluations?. Research Policy, 52(8). View this article in WRRO
- Can first or last name uniqueness help to identify diaspora researchers from any country?. Journal of Data and Information Science, 8(2), 1-25.
- In which fields do higher impact journals publish higher quality articles?. Scientometrics, 128(7), 3915-3933.
- In which fields are citations indicators of research quality?. Journal of the Association for Information Science and Technology, 74(8), 941-953.
- Predicting article quality scores with machine learning: the U.K. Research Excellence Framework. Quantitative Science Studies, 4(2), 547-573. View this article in WRRO
- Is research funding always beneficial? A cross-disciplinary analysis of U.K. research 2014–20. Quantitative Science Studies, 4(2), 501-534. View this article in WRRO
- Does the perceived quality of interdisciplinary research vary between fields?. Journal of Documentation, 79(6), 1514-1531.
- Why are coauthored academic articles more cited: higher quality or larger audience?. Journal of the Association for Information Science and Technology, 74(7), 791-810. View this article in WRRO
- Do altmetric scores reflect article quality? Evidence from the UK Research Excellence Framework 2021. Journal of the Association for Information Science and Technology, 74(5), 582-593. View this article in WRRO
- Is big team research fair in national research assessments? The case of the UK Research Excellence Framework 2021. Journal of Data and Information Science, 8(1), 9-20. View this article in WRRO
- Are successful co-authors more important than first authors for publishing academic journal articles?. Scientometrics, 128(4), 2211-2232.
- Terms in journal articles associating with high quality: can qualitative research be world-leading?. Journal of Documentation, 79(5), 1110-1123.
- Data sharing and reuse practices: disciplinary differences and improvements needed. Online Information Review, 47(6), 1036-1064.
- Retraction of Predatory publishing in Scopus: evidence on cross-country differences lacks justification. Scientometrics, 128(2), 1459-1461.
- Why are medical research articles tweeted? The news value perspective. Scientometrics, 128(1), 207-226.
- ‘Nobody needs a label’: responses on Facebook to a Team GB equity, diversity and inclusion initiative. Sport in Society, 26(6), 1113-1132.
- Academic LGBTQ+ Terminology 1900-2021: Increasing Variety, Increasing Inclusivity?. Journal of Homosexuality, 70(11), 2514-2538.
- Journal and disciplinary variations in academic open peer review anonymity, outcomes, and length. Journal of Librarianship and Information Science, 55(2), 299-312.
- The value(s) of social media rituals: a cross-cultural analysis of New Year’s resolutions. Information, Communication & Society, 26(4), 764-785.
- Digital footprints of Kashmiri Pandit migration on Twitter. Profesional de la Informacion, 31(6).
- Guest Editorial: Sentiment Analysis as a Multidisciplinary Research Area. IEEE Transactions on Artificial Intelligence, 3(5), 638-641.
- What makes a book tweet popular? Analysis of the most retweeted content posted by Spanish and non-Spanish book publishers. Revista Espanola de Documentacion Cientifica, 45(3).
- A systematic method for identifying references to academic research in grey literature. Scientometrics, 127(12), 6913-6933.
- Research coauthorship 1900–2020: Continuous, universal, and ongoing expansion. Quantitative Science Studies, 3(2), 331-344.
- The high scholarly value of grey literature before and during Covid-19. Scientometrics, 127(6), 3489-3504.
- Know your guests’ preferences before they arrive at your hotel: evidence from TripAdvisor. Consumer Behavior in Tourism and Hospitality, 17(1), 89-106.
- I’m Nervous about Sharing This Secret with You: Youtube Influencers Generate Strong Parasocial Interactions by Discussing Personal Issues. Journal of Data and Information Science, 7(2), 31-56.
- Scopus 1900–2020: Growth in articles, abstracts, countries, fields, and journals. Quantitative Science Studies, 3(1), 37-50.
- Covid-19 refereeing duration and impact in major medical journals. Quantitative Science Studies, 3(1), 1-17.
- Can the quality of published academic journal articles be assessed with machine learning?. Quantitative Science Studies, 3(1), 208-226.
- Small female citation advantages for US journal articles in medicine. Journal of Information Science, 48(1), 106-117.
- Which types of online resource support US patent claims?. Journal of Informetrics, 16(1), 101247-101247.
- Researching women and men 1996–2020: Is androcentrism still dominant?. Quantitative Science Studies, 3(1), 244-264.
- Exploring nurses’ online perspectives and social networks during a global pandemic COVID‐19. Public Health Nursing, 39(3), 586-600.
- Questionnaires mentioned in academic research 1996–2019: Rapid increase but declining citation impact. Learned Publishing, 35(2), 241-252.
- Are data repositories fettered? A survey of current practices, challenges and future technologies. Online Information Review, 46(3), 483-502.
- Which types of online evidence show the nonacademic benefits of research? Websites cited in UK impact case studies. Quantitative Science Studies, 2(3), 864-881.
- A Bayesian hurdle quantile regression model for citation analysis with mass points at lower values. Quantitative Science Studies, 2(3), 912-931.
- How are encyclopedias cited in academic research? Wikipedia, britannica, baidu baike, and scholarpedia. Profesional de la Informacion, 30(5).
- Social Media Users Produce More Affect That Supports Cultural Values, but Are More Influenced by Affect That Violates Cultural Values. Journal of Personality and Social Psychology, 121(5), 969-983.
- Alternative medicines worth researching? Citation analyses of acupuncture, chiropractic, homeopathy, and osteopathy 1996–2017. Scientometrics, 126(10), 8731-8747.
- How Has Covid-19 Affected Published Academic Research? A Content Analysis of Journal Articles Mentioning the Virus. Journal of Data and Information Science, 6(4), 1-12.
- Which aspects of the Open Science agenda are most relevant to scientometric research and publishing? An opinion paper. Quantitative Science Studies, 2(2), 438-453.
- Domestic researchers with longer careers generate higher average citation impact but it does not increase over time. Quantitative Science Studies, 2(2), 560-587.
- This! Identifying New Sentiment Slang Through Orthographic Pleonasm Online: Yasss Slay Gorg Queen Ilysm. IEEE Intelligent Systems, 36(4), 114-120.
- Cures, Treatments and Vaccines for Covid-19: International Differences in Interest on Twitter. Journal of Altmetrics, 4(1), 4.
- Can twitter give insights into international differences in covid-19 vaccination? Eight countries’ english tweets to 21 march 2021. Profesional de la Informacion, 30(3).
- Male or female gender‐polarized
YouTube videos are less viewed. Journal of the Association for Information Science and Technology, 72(12), 1545-1557. - Lifestyle information from YouTube influencers: some consumption patterns. Journal of Documentation, 77(6), 1209-1222.
- Bullying discussions in UK female influencers’ YouTube comments. British Journal of Guidance & Counselling, 49(3), 480-493.
- Researchers’ attitudes towards the h-index on Twitter 2007–2020: criticism and acceptance. Scientometrics, 126(6), 5361-5368.
- Female contributions to high-energy physics in a wider context:
Commentary on an article by Strumia. Quantitative Science Studies, 2(1), 275-276.
- Is research with qualitative data more prevalent and impactful now? Interviews, case studies, focus groups and ethnographies. Library & Information Science Research, 43(2), 101094-101094.
- Covid-19 vaccine hesitancy on English-language Twitter. Profesional de la Informacion, 30(2).
- Male, Female, and Nonbinary Differences in UK Twitter Self-descriptions: A Fine-grained Systematic Exploration. Journal of Data and Information Science, 6(2), 1-27.
- Measuring the impact of biodiversity datasets: data reuse, citations and altmetrics. Scientometrics, 126(4), 3621-3639.
- Word Association Thematic Analysis: A Social Media Text Exploration Strategy. Synthesis Lectures on Information Concepts, Retrieval, and Services, 13(1), i-111.
- Exploring WorldCat identities as an altmetric information source: a library catalog analysis experiment in the field of Scientometrics. Scientometrics, 126(2), 1725-1743.
- Twitter during COVID-19: George Floyd Opening a Space to Address Systematic and Institutionalized Racism?.
- Word Food Day on Twitter 2009-2020: Driven by UNFAO and Aligned Campaigns.
- “My ADHD Hellbrain”: A Twitter Data Science Perspective on a Behavioural Disorder. Journal of Data and Information Science, 6(1), 13-34.
- Correction to: Google Scholar, Microsoft Academic, Scopus, Dimensions, Web of Science, and OpenCitations’ COCI: a multidisciplinary comparison of coverage via citations. Scientometrics, 126(1), 907-908.
- Google Scholar, Microsoft Academic, Scopus, Dimensions, Web of Science, and OpenCitations’ COCI: a multidisciplinary comparison of coverage via citations. Scientometrics, 126(1), 871-906.
- Mental Health Discourses on Twitter during Mental Health Awareness Week. Issues in Mental Health Nursing, 42(5), 437-450.
- Do new research issues attract more citations? A comparison between 25 Scopus subject categories. Journal of the Association for Information Science and Technology, 72(3), 269-279.
- Does the use of open, non-anonymous peer review in scholarly publishing introduce bias? Evidence from the F1000Research post-publication open peer review publishing model. Journal of Information Science, 47(6), 809-820.
- MEASURING SOCIETAL IMPACTS OF RESEARCH WITH ALTMETRICS? COMMON PROBLEMS AND MISTAKES. Journal of Economic Surveys, 35(5), 1302-1314.
- Ageing, old age and older adults: a social media analysis of dominant topics and discourses. Ageing and Society, 41(2), 247-272.
- Coronavirus research before 2020 is more relevant than ever, especially when interpreted for COVID-19. Quantitative Science Studies, 1(4), 1381-1395.
- Pot, kettle: Nonliteral titles aren’t (natural) science. Quantitative Science Studies, 1(4), 1638-1652.
- A calibrated measure to compare fluctuations of different entities across timescales. Scientific Reports, 10(1).
- A thematic analysis of highly retweeted early COVID-19 tweets: consensus, information, dissent and lockdown life. Aslib Journal of Information Management, 72(6), 945-962.
- A new algorithm for zero-modified models applied to citation counts. Scientometrics, 125(2), 993-1010.
- Greater female first author citation advantages do not associate with reduced or reducing gender disparities in academia. Quantitative Science Studies, 1(3), 1283-1297.
- All downhill from the PhD? The typical impact trajectory of U.S. academic careers. Quantitative Science Studies, 1(3), 1334-1348.
- A gender equality paradox in academic publishing: Countries with a higher proportion of female first-authored journal articles have larger first-author gender disparities between fields. Quantitative Science Studies, 1(3), 1260-1282.
- COVID-19 publications: Database coverage, citations, readers, tweets, news, Facebook walls, Reddit posts. Quantitative Science Studies, 1(3), 1068-1091.
- Gender disparities in UK research publishing: Differences between fields, methods and topics. Profesional de la Informacion, 29(4), 1-21.
- Can the impact of grey literature be assessed? An investigation of UK government publications cited by articles and books. Scientometrics, 125(2), 1425-1444.
- Scaling of Fluctuations in Internet - the State States Perspective. Acta Physica Polonica A, 138(1), 14-20.
- How does nursing research differ internationally? A bibliometric analysis of six countries. International Journal of Nursing Practice, 26(6).
- Automatically detecting open academic review praise and criticism. Online Information Review, 44(5), 1057-1076.
- Three decades of tourism scholarship: Gender, collaboration and research methods. Tourism Management, 78, 104056-104056.
- The Pros and Cons of the Use of Altmetrics in Research Assessment. Scholarly Assessment Reports, 2(1).
- Mid-career field switches reduce gender disparities in academic publishing. Scientometrics, 123(3), 1365-1383.
- COVID-19 tweeting in English: Gender differences. Profesional de la Informacion, 29(3), 1-7.
- Which health and biomedical topics generate the most Facebook interest and the strongest citation relationships?. Information Processing & Management, 57(3), 102230-102230.
- Retweeting COVID-19 disability issues: Risks, support and outrage. Profesional de la Informacion, 29(2).
- Identifying Data Sharing and Reuse with Scholix: Potentials and Limitations. Patterns, 1(1), 100007-100007.
- Data in Brief: Can a mega-journal for data be useful?. Scientometrics, 124(1), 697-709.
- Google books, scopus, microsoft academic, and mendeley for impact assessment of doctoral dissertations: A multidisciplinary analysis of the uk. Quantitative Science Studies, 1(2), 479-504.
- How common are explicit research questions in journal articles?. Quantitative Science Studies, 1(2), 730-748.
- Gender differences in citation impact for 27 fields and six english-speaking countries 1996–2014. Quantitative Science Studies, 1(2), 599-617.
- Anthropomorphizing Atopy. Journal of the Dermatology Nurses' Association, 12(2), 74-77.
- Is useful research data usually shared? An investigation of genome-wide association study summary statistics. PLoS ONE, 15(2).
- The Social Lives of Books: Reading Victorian Literature on Goodreads. Journal of Cultural Analytics, 5(1).
- Authorship and citation gender trends in immunology and microbiology. FEMS Microbiology Letters, 367(2).
- Mendeley reader counts for US computer science conference papers and journal articles. Quantitative Science Studies, 1(1), 347-359.
- In memoriam Judit Bar-Ilan. Quantitative Science Studies, 1(1), 4-5.
- Large publishing consortia produce higher citation impact research but coauthor contributions are hard to evaluate. Quantitative Science Studies, 1(1), 290-302.
- Why are some websites researched more than others? A review of research into the global top twenty. Profesional de la Informacion, 29(1).
- Author gender differences in psychology citation impact 1996–2018. International Journal of Psychology, 55(4), 684-694.
- Who shares health and medical scholarly articles on Facebook?. Learned Publishing, 33(2), 111-118.
- Academic collaboration rates and citation associations vary substantially between countries and fields. Journal of the Association for Information Science and Technology, 71(8), 968-978.
- Female citation impact superiority 1996–2018 in six out of seven English‐speaking nations. Journal of the Association for Information Science and Technology, 71(8), 979-990.
- Briefing: US environmental science women are high-impact team players. Journal of Environmental Engineering and Science, 15(1), 1-5.
- No evidence of citation bias as a determinant of STEM gender disparities in US biochemistry, genetics and molecular biology research. Scientometrics, 121(3), 1793-1801.
- Web of Science and Scopus language coverage. Scientometrics, 121(3), 1803-1813.
- The reading background of Goodreads book club members: a female fiction canon?. Journal of Documentation, 75(5), 1139-1161.
- An Automatic Method to Identify Citations to Journals in News Stories: A Case Study of UK Newspapers Citing Web of Science Journals. Journal of Data and Information Science, 4(3), 73-95.
- She's Reddit: A source of statistically significant gendered interest information?. Information Processing & Management, 56(4), 1543-1558.
- Are classic references cited first? An analysis of citation order within article sections. Scientometrics, 120(2), 723-731.
- The rhetorical structure of science? A multidisciplinary analysis of article headings. Journal of Informetrics, 13(2), 555-563.
- Can Google Scholar and Mendeley help to assess the scholarly impacts of dissertations?. Journal of Informetrics, 13(2), 467-484.
- Should citations be counted separately from each originating section?. Journal of Informetrics, 13(2), 658-678.
- An open toolkit for tracking open science partnership implementation and impact.. Gates Open Res, 3, 1442.
- Which image types do universities tweet?. First Monday.
- Gender and research publishing in India: Uniformly high inequality?. Journal of Informetrics, 13(1), 118-131.
- Gender differences in research areas, methods and topics: Can people and thing orientations explain the results?. Journal of Informetrics, 13(1), 149-169.
- The influence of highly cited papers on field normalised indicators. Scientometrics, 118(2), 519-537.
- Do Mendeley reader counts indicate the value of arts and humanities research?. Journal of Librarianship and Information Science, 51(3), 781-788.
- Reader and author gender and genre in Goodreads. Journal of Librarianship and Information Science, 51(2), 403-430.
- Measuring emotional temperatures in Shakespeare's drama. English Text Construction, 11(1), 10-37.
- Altmetric Prevalence in the Social Sciences, Arts and Humanities: Where are the Online Discussions?. Journal of Altmetrics, 1(1), 4.
- Assessing the teaching value of non-English academic books: The case of Spain. Revista Espanola de Documentacion Cientifica, 41(4).
- Do females create higher impact research? Scopus citations and Mendeley readers for articles from five countries. Journal of Informetrics, 12(4), 1031-1041.
- Google Scholar, Web of Science, and Scopus: A systematic comparison of citations in 252 subject categories. Journal of Informetrics, 12(4), 1160-1177.
- Do prestigious Spanish scholarly book publishers have more teaching impact?. Aslib Journal of Information Management, 70(6), 673-690.
- Does Female-authored Research have More Educational Impact than Male-authored Research? Evidence from Mendeley. Journal of Altmetrics, 1(1), 3.
- Do gendered citation advantages influence field participation? Four unusual fields in the USA 1996–2017. Scientometrics, 117(3), 2133-2144.
- Can museums find male or female audiences online with YouTube?. Aslib Journal of Information Management, 70(5), 481-497.
- Can Microsoft Academic help to assess the citation impact of academic books?. Journal of Informetrics, 12(3), 972-984.
- Which US and European Higher Education Institutions are visible in ResearchGate and what affects their RG score?. Journal of Informetrics, 12(3), 806-818.
- Gender bias in machine learning for sentiment analysis. Online Information Review, 42(3), 343-354.
- Academic information on Twitter: A user survey. PLoS ONE, 13(5).
- Co‐saved, co‐tweeted, and co‐cited networks. Journal of the Association for Information Science and Technology, 69(8), 959-973.
- Dimensions: A competitor to Scopus and the Web of Science?. Journal of Informetrics, 12(2), 430-435.
- Early Mendeley readers correlate with later citation counts. Scientometrics, 115(3), 1231-1240.
- John Webster, the dark and violent playwright?. ANQ: A Quarterly Journal of Short Articles, Notes and Reviews, 31(3), 201-210.
- Can Microsoft Academic be used for citation analysis of preprint archives? The case of the Social Science Research Network. Scientometrics, 115(2), 913-928.
- Differences between journals and years in the proportions of students, researchers and faculty registering Mendeley articles. Scientometrics, 115(2), 717-729.
- Gender bias in sentiment analysis. Online Information Review, 42(1), 45-57.
- A comparison of title words for journal articles and wikipedia pages: coverage and stylistic differences?. Profesional de la Informacion, 27(1), 49-64.
- Microsoft Academic automatic document searches: Accuracy for journal articles and suitability for citation analysis. Journal of Informetrics, 12(1), 1-9.
- Could scientists use Altmetric.com scores to predict longer term citation counts?. Journal of Informetrics, 12(1), 237-248.
- Can Microsoft Academic assess the early citation impact of in-press articles? A multi-discipline exploratory analysis. Journal of Informetrics, 12(1), 287-298.
- YouTube science channel video presenters and comments: female friendly or vestiges of sexism?. Aslib Journal of Information Management, 70(1), 28-46.
- Can social news websites pay for content and curation? The SteemIt cryptocurrency model. Journal of Information Science, 44(6), 736-751.
- A decade of Garfield readers. Scientometrics, 114(2), 669-674.
- National scientific performance evolution patterns: Retrenchment, successful expansion, or overextension. Journal of the Association for Information Science and Technology, 69(5), 720-727.
- Does Microsoft Academic find early citations?. Scientometrics, 114(1), 325-334.
- Social media analytics for YouTube comments: potential and limitations. International Journal of Social Research Methodology, 21(3), 303-316.
- How quickly do publications get read? The evolution of mendeley reader counts for new articles. Journal of the Association for Information Science and Technology, 69(1), 158-167.
- Gender and image sharing on Facebook, Twitter, Instagram, Snapchat and WhatsApp in the UK. Aslib Journal of Information Management, 69(6), 702-720.
- Sentiment Analysis Is a Big Suitcase. IEEE Intelligent Systems, 32(6), 74-80.
- Microsoft Academic: A multidisciplinary comparison of citation counts with Scopus and Mendeley for 29 journals. Journal of Informetrics, 11(4), 1201-1212.
- The research production of nations and departments: A statistical model for the share of publications. Journal of Informetrics, 11(4), 1142-1157.
- Confidence intervals for normalised citation counts: Can they delimit underlying research capability?. Journal of Informetrics, 11(4), 1069-1079.
- Are Mendeley reader counts useful impact indicators in all fields?. Scientometrics, 113(3), 1721-1731.
- Judit Bar-Ilan: information scientist, computer scientist, scientometrician. Scientometrics, 113(3), 1235-1244.
- An investigation of the online presence of UK universities on Instagram. Online Information Review, 41(5), 582-597.
- Data Science Altmetrics. Journal of Data and Information Science, 1(2), 7-12.
- Monitoring twitter strategies to discover resonating topics: The case of the undp. Profesional de la Informacion, 26(4), 649-661.
- News stories as evidence for research? BBC citations from articles, Books, and Wikipedia. Journal of the Association for Information Science and Technology, 68(8), 2017-2028.
- Goodreads reviews to assess the wider impacts of books. Journal of the Association for Information Science and Technology, 68(8), 2004-2016.
- SlideShare presentations, citations, users, and trends: A professional site with academic and educational uses. Journal of the Association for Information Science and Technology, 68(8), 1989-2003.
- Web citations in patents: Evidence of technological impact?. Journal of the Association for Information Science and Technology, 68(8), 1967-1974.
- The accuracy of confidence intervals for field normalised indicators. Journal of Informetrics, 11(2), 530-540.
- Do ResearchGate Scores create ghost academic reputations?. Scientometrics, 112(1), 443-460.
- ResearchGate versus Google Scholar: Which finds more early citations?. Scientometrics, 112(2), 1125-1131.
- Do Mendeley reader counts reflect the scholarly impact of conference papers? An investigation of computer science and engineering. Scientometrics, 112(1), 573-581.
- Do opinion articles attract more social attention than original research, relative to their citation counts?. European Journal of Internal Medicine, 42, e27-e30.
- Are Mendeley reader counts high enough for research evaluations when articles are published?. Aslib Journal of Information Management, 69(2), 174-183.
- Is medical research informing professional practice more highly cited? Evidence from AHFS DI Essentials in drugs.com. Scientometrics, 112(1), 509-527.
- Three practical field normalised alternative indicator formulae for research evaluation. Journal of Informetrics, 11(1), 128-151.
- Do journal data sharing mandates work? Life sciences evidence from Dryad. Aslib Journal of Information Management, 69(1), 36-45.
- TensiStrength: Stress and relaxation magnitude detection for social media texts. Information Processing & Management, 53(1), 106-121.
- Book genre and author gender: Romance>Paranormal‐Romance to Autobiography>Memoir. Journal of the Association for Information Science and Technology, 68(5), 1212-1223.
- Goodreads: A social network site for book readers. Journal of the Association for Information Science and Technology, 68(4), 972-983.
- Does Mendeley provide evidence of the educational value of journal articles?. Learned Publishing, 30(2), 107-113.
- Understanding the geographical development of social movements: a web-link analysis of Slow Food. Global Networks, 17(1), 47-67.
- Avoiding obscure topics and generalising findings produces higher impact research. Scientometrics, 110(1), 307-320.
- Are wikipedia citations important evidence of the impact of scholarly articles and books?. Journal of the Association for Information Science and Technology, 68(3), 762-779.
- ResearchGate articles: Age, discipline, audience size, and impact. Journal of the Association for Information Science and Technology, 68(2), 468-479.
- Patent citation analysis with
G oogle. Journal of the Association for Information Science and Technology, 68(1), 48-61. - Why do papers have many Mendeley readers but few Scopus-indexed citations and vice versa?. Journal of Librarianship and Information Science, 49(2), 144-151.
- “@God please open your fridge!” Twitter messages to @God in content analysis: Hopes, humor, spirituality, and profanities. Journal of Religion, Media and Digital Culture, 5(2), 339-355.
- Does astronomy research become too dated for the public? wikipedia citations to astronomy and astrophysics journal articles 1996-2014. Profesional de la Informacion, 25(6), 893-900.
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- Scholarly use of the Web: What are the key inducers of links to journal Web sites?. Journal of the American Society for Information Science and Technology, 54(1), 29-38.
- Exploring the pattern of links between Chinese university Web sites. Proceedings of the American Society for Information Science and Technology, 39(1), 417-424.
- Web link counts correlate with ISI impact factors: Evidence from two disciplines. Proceedings of the American Society for Information Science and Technology, 39(1), 436-443.
- A Guide to Finding Quality Information on the Internet (2nd ed.). Journal of Documentation, 58(6), 705-706.
- The top 100 linked-to pages on UK university web sites: high inlink counts are not usually associated with quality scholarly content. Journal of Information Science, 28(6), 483-491.
- Research dissemination and invocation on the Web. Online Information Review, 26(6), 413-420.
- A research and institutional size‐based model for national university Web site interlinking. Journal of Documentation, 58(6), 683-694.
- The top 100 linked-to pages on UK university web sites: high inlink counts are not usually associated with quality scholarly content. Journal of Information Science, 28(6), 483-492.
- Evidence for the existence of geographic trends in university Web site interlinking. Journal of Documentation, 58(5), 563-574.
- Conceptualizing documentation on the Web: An evaluation of different heuristic‐based models for counting links between university Web sites. Journal of the American Society for Information Science and Technology, 53(12), 995-1005.
- Research note: in praise of Google: finding law journal Web sites. Online Information Review, 26(4), 271-272.
- Methodologies for crawler based Web surveys. Internet Research, 12(2), 124-138.
- Mining the World Wide Web: An Information Search Approach. Journal of Documentation, 58(2), 232-234.
- An initial exploration of the link relationship between UK university Web sites. Aslib Proceedings, 54(2), 118-126.
- Subject gateway sites and search engine ranking. Online Information Review, 26(2), 101-107.
- A comparison of sources of links for academic Web impact factor calculations. Journal of Documentation, 58(1), 66-78.
- . Scientometrics, 55(3), 363-376.
- . Scientometrics, 53(1), 95-111.
- . Scientometrics, 54(3), 363-380.
- Custom interfaces for advanced queries in search engines. Aslib Proceedings, 53(10), 413-422.
- Exploring the link structure of the Web with network diagrams. Journal of Information Science, 27(6), 393-401.
- Exploring the link structure of the Web with network diagrams. Journal of Information Science, 27(6), 393-402.
- A web crawler design for data mining. Journal of Information Science, 27(5), 319-325.
- Extracting macroscopic information from Web links. Journal of the American Society for Information Science and Technology, 52(13), 1157-1168.
- A web crawler design for data mining. Journal of Information Science, 27(5), 319-325.
- Commercial Web site links. Internet Research, 11(2), 114-124.
- Results from a web impact factor crawler. Journal of Documentation, 57(2), 177-191.
- Web log file analysis: backlinks and queries. Aslib Proceedings, 53(6), 217-223.
- Effective websites for small and medium‐sized enterprises. Journal of Small Business and Enterprise Development, 7(2), 149-159.
- Commercial Web sites: lost in cyberspace?. Internet Research, 10(2), 150-159.
- Web impact factors and search engine coverage. Journal of Documentation, 56(2), 185-189.
- An examination of the potential role of the Internet in distributed SPC and quality systems. Quality and Reliability Engineering International, 16(1), 51-57.
- Computer-based assessment: a versatile educational tool. Computers & Education, 34(1), 37-49.
- Who is using the .co.uk domain? Professional and media adoption of the web. International Journal of Information Management, 20(6), 441-453.
Chapters
- Sentiment Analysis for Tourism, Big Data and Innovation in Tourism, Travel, and Hospitality (pp. 87-104). Springer Singapore
- Online Indicators for Non-Standard Academic Outputs, Springer Handbooks (pp. 835-856). Springer International Publishing
- Editors’ introduction (pp. VII-XIV).
- Readership Data and Research Impact, Springer Handbooks (pp. 761-779). Springer International Publishing
- Using Altmetrics to Support Research Evaluation, Communications in Computer and Information Science (pp. 11-28). Springer Singapore
- Sensing Social Media: A Range of Approaches for Sentiment Analysis, Understanding Complex Systems (pp. 97-117). Springer International Publishing
- The Heart and Soul of the Web? Sentiment Strength Detection in the Social Web with SentiStrength, Understanding Complex Systems (pp. 119-134). Springer International Publishing
- Webometrics and Altmetrics: Home Birth vs. Hospital Birth, Theories of Informetrics and Scholarly Communication (pp. 337-346). De Gruyter
- Analyzing Social Media Data and Web Networks In Cantijoch M, Gibson R & Ward S (Ed.) Palgrave Macmillan UK
- Web Impact Metrics for Research Assessment, Beyond Bibliometrics (pp. 289-306). The MIT Press
- Collective Emotions Online, Lecture Notes in Social Networks (pp. 59-74). Springer Vienna
- Damping Sentiment Analysis in Online Communication: Discussions, Monologs and Dialogs, Lecture Notes in Computer Science (pp. 1-12). Springer Berlin Heidelberg
- Chapter 9 Assessing the Impact of Online Academic Videos, Library and Information Science (pp. 195-213). Emerald Group Publishing Limited
- Biographies or Blenders: Which Resource Is Best for Cross-Domain Sentiment Analysis?, Lecture Notes in Computer Science (pp. 488-499). Springer Berlin Heidelberg
- Privacy and Gender in the Social Web, Privacy Online (pp. 251-265). Springer Berlin Heidelberg
- Link Analysis In Donsbach W (Ed.), The International Encyclopedia of Communication Wiley
- Visualization in e-social science, e-Research: Transformation in Scholarly Practice (pp. 163-181).
- Situated innovations in e-social science, e-Research: Transformation in Scholarly Practice (pp. 291-309).
- Chapter 2 Social Network Sites. Users and Uses (pp. 19-73).
- Text Mining Decision Elements from Meeting Transcripts, Lecture Notes in Electrical Engineering (pp. 373-386). Springer Netherlands
- Chapter 2 Social Network Sites, Advances in Computers (pp. 19-73). Elsevier
- Social network sites: An exploration of features and diversity, Social Computing and Virtual Communities (pp. 263-282).
- Measuring and Mapping the World Wide Web through Web Hyperlinks, Encyclopedia of Multimedia Technology and Networking, Second Edition (pp. 887-893). IGI Global
- Scientific Web Intelligence, Encyclopedia of Data Warehousing and Mining, Second Edition (pp. 1714-1719). IGI Global
- Hyperlink Analysis, Handbook of Research on Electronic Surveys and Measurements (pp. 277-282). IGI Global
- Hyperlink Analysis, Encyclopedia of Virtual Communities and Technologies (pp. 243-247). IGI Global
- Scientific Web Intelligence, Encyclopedia of Data Warehousing and Mining (pp. 995-999). IGI Global
Conference proceedings papers
- Word Association Thematic Analysis: Insight Discovery from the Social Web. Proceedings of the 18th International Conference on Web Information Systems and Technologies (pp 5-10), 25 October 2022 - 27 October 2022.
- Detection of Stress and Relaxation Magnitudes for Tweets. Companion of the The Web Conference 2018 on The Web Conference 2018 - WWW '18 (pp 1677-1684), 23 April 2018 - 27 April 2018.
- What Makes You Stressed? Finding Reasons From Tweets. Proceedings of the 9th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis (pp 266-272), October 2018 - October 2018.
- What Makes You Stressed? Finding Reasons from Tweets. WASSA 2018 - 9th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis, Proceedings of the Workshop (pp 266-272)
- Trouble on the Road: Finding Reasons for Commuter Stress from Tweets. Proceedings of the Workshop on Intelligent Interactive Systems and Language Generation (2IS&NLG) (pp 20-25), November 2018 - November 2018.
- An interdisciplinary VR-architecture for 3D chatting with non-verbal communication. Joint Virtual Reality Conference of EGVE 2011 - The 17th Eurographics Symposium on Virtual Environments, EuroVR 2011 - The 8th EuroVR (INTUITION) Conference (pp 87-94)
- Text mining decision elements from meeting transcripts. Lecture Notes in Electrical Engineering, Vol. 52 LNEE (pp 373-386)
- Communication-based influence components model. Proceedings of the 4th International Conference on Persuasive Technology (pp 1-9)
- Website credibility, active trust and behavioural intent. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 5033 LNCS (pp 47-57)
- Can Brotherhood Be Sold Like Soap...Online? An Online Social Marketing and Advocacy Pilot Study Synopsis (pp 144-147)
- <bi>LexiURL</bi> web link analysis for digital libraries. Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries (pp 371-371)
- What’s the Deal with the Web/Blogs/the Next Big Technology: A Key Role for Information Science in e-Social Science Research? (pp 187-199)
Preprints
- Journal Quality Factors from ChatGPT: More meaningful than Impact Factors?, arXiv.
- Assessing the societal influence of academic research with ChatGPT: Impact case study evaluations, arXiv.
- Quantitative Methods in Research Evaluation Citation Indicators, Altmetrics, and Artificial Intelligence, arXiv.
- Can ChatGPT evaluate research quality?, arXiv.
- Are Scopus journal field classifications ever misleading?, arXiv.
- Why are co-authored academic articles more cited: Higher quality or larger audience?, arXiv.
- Which international co-authorships produce higher quality journal articles?, arXiv.
- Terms in journal articles associating with high quality: Can qualitative research be world-leading?, arXiv.
- Predicting article quality scores with machine learning: The UK Research Excellence Framework, arXiv.
- Is Research Funding Always Beneficial? A Cross-Disciplinary Analysis of UK Research 2014-20, arXiv.
- Is big team research fair in national research assessments? The case of the UK Research Excellence Framework 2021, arXiv.
- In which fields do higher impact journals publish higher quality articles?, arXiv.
- In which fields are citations indicators of research quality?, arXiv.
- Do bibliometrics introduce gender, institutional or interdisciplinary biases into research evaluations?, arXiv.
- Do altmetric scores reflect article quality? Evidence from the UK Research Excellence Framework 2021, arXiv.
- Can REF output quality scores be assigned by AI? Experimental evidence, arXiv.
- Artificial intelligence technologies to support research assessment: A review, arXiv.
- Is research with qualitative data more prevalent and impactful now? Interviews, case studies, focus groups and ethnographies, arXiv.
- A Bayesian Hurdle Quantile Regression Model for Citation Analysis with Mass Points at Lower Values, arXiv.
- Is Research with Qualitative Data More Prevalent and Impactful Now? Interviews, Case Studies, Focus Groups and Ethnographies, SSRN Electronic Journal.
- International Women’s Day 2009-2020 on Twitter: Postfeminist or Fourth Wave Feminism?, SSRN Electronic Journal.
- Exploring WorldCat Identities as an altmetric information source: A library catalog analysis experiment in the field of Scientometrics, arXiv.
- Google Scholar, Microsoft Academic, Scopus, Dimensions, Web of Science, and OpenCitations' COCI: a multidisciplinary comparison of coverage via citations, arXiv.
- A gender equality paradox in academic publishing: Countries with a higher proportion of female first-authored journal articles have larger first author gender disparities between fields, arXiv.
- COVID-19 publications: Database coverage, citations, readers, tweets, news, Facebook walls, Reddit posts, arXiv.
- A thematic analysis of highly retweeted early COVID -19 tweets: Consensus, information, dissent, and lockdown life, arXiv.
- Covid-19 Tweeting in English: Gender Differences, arXiv.
- Does the use of open, non-anonymous peer review in scholarly publishing introduce bias? Evidence from the F1000 post-publication open peer review publishing model, arXiv.
- Academic collaboration rates and citation associations vary substantially between countries and fields, arXiv.
- Is useful research data usually shared? An investigation of genome-wide association study summary statistics, Cold Spring Harbor Laboratory.
- Should Citations be Counted Separately from Each Originating Section, arXiv.
- The rhetorical structure of science? A multidisciplinary analysis of article headings, arXiv.
- Can Google Scholar and Mendeley help to assess the scholarly impacts of dissertations?, arXiv.
- Gender and Research Publishing in India: Uniformly high inequality?, arXiv.
- Gender differences in research areas and topics: An analysis of publications in 285 fields, arXiv.
- Google Scholar, Web of Science, and Scopus: a systematic comparison of citations in 252 subject categories, arXiv.
- Google Scholar, Web of Science, and Scopus: a systematic comparison of citations in 252 subject categories, Center for Open Science.
- Can Microsoft Academic help to assess the citation impact of academic books?, arXiv.
- Dimensions: A Competitor to Scopus and the Web of Science?, arXiv.
- Can Microsoft Academic assess the early citation impact of in-press articles? A multi-discipline exploratory analysis, arXiv.
- Could scientists use Altmetric.com scores to predict longer term citation counts?, arXiv.
- The Research Production of Nations and Departments: A Statistical Model for the Share of Publications, arXiv.
- Microsoft Academic: A multidisciplinary comparison of citation counts with Scopus and Mendeley for 29 journals, arXiv.
- Microsoft Academic Automatic Document Searches: Accuracy for Journal Articles and Suitability for Citation Analysis, arXiv.
- Confidence intervals for normalised citation counts: Can they delimit underlying research capability?, arXiv.
- Do ResearchGate Scores create ghost academic reputations?, arXiv.
- The Accuracy of Confidence Intervals for Field Normalised Indicators, arXiv.
- Three practical field normalised alternative indicator formulae for research evaluation, arXiv.
- Citation count distributions for large monodisciplinary journals, arXiv.
- TensiStrength: Stress and relaxation magnitude detection for social media texts, arXiv.
- Are there too many uncited articles? Zero inflated variants of the discretised lognormal and hooked power law distributions, arXiv.
- The discretised lognormal and hooked power law distributions for complete citation data: Best options for modelling and regression, arXiv.
- The precision of the arithmetic mean, geometric mean and percentiles for citation data: An experimental simulation modelling approach, arXiv.
- National, disciplinary and temporal variations in the extent to which articles with more authors have more impact: Evidence from a geometric field normalised citation indicator, arXiv.
- Geometric journal impact factors correcting for individual highly cited articles, arXiv.
- Regression for citation data: An evaluation of different methods, arXiv.
- Distributions for cited articles from individual subjects and years, arXiv.
- National research impact indicators from Mendeley readers, arXiv.
- The influence of time and discipline on the magnitude of correlations between citation counts and quality scores, arXiv.
- The Internet for Urban Revitalization: Opening and Connecting Distributed Problem-Solving for Detroit, SSRN Electronic Journal.
- The role of emotional variables in the classification and prediction of collective social dynamics, arXiv.
- Tweets vs. Mendeley readers: How do these two social media metrics differ?, arXiv.
- The role of handbooks in knowledge creation and diffusion: A case of science and technology studies, arXiv.
- Motivation for hyperlink creation using inter-page relationships, arXiv.
- Tweeting biomedicine: an analysis of tweets and citations in the biomedical literature, arXiv.
- arXiv e-prints and the journal of record: An analysis of roles and relationships, arXiv.
- The entrepreneurial role of the University: a link analysis of York Science Park, arXiv.
- Mapping the network structure of science parks: An exploratory study of cross-sectoral interactions reflected on the web, arXiv.
- Emotional Analysis of Blogs and Forums Data, arXiv.
- Collective emotions online and their influence on community life, arXiv.
- Negative emotions boost users activity at BBC Forum, arXiv.
- Word Association Thematic Analysis. Springer International Publishing.
- Teaching activities
-
INF112 - Data Modelling and Storage
INF6024 - Researching Social Media
INF6050 - Database Design
- Professional activities and memberships
-
- Committee member: UK Forum for Responsible Research Metrics (UKRI) 2017-
- Docent, Department of Information Studies, Åbo Akademi University, Finland.
- Senior associate editor of Journal of the American Society for Information Science & Technology.
- Member of the editorial boards of:
- International Journal of Social Research Methodology (2022-)
- Profesional de la Información (2022-)
- Data Science and Informetrics (2020-)
- Quantitative Science Studies (2019-)
- Journal of Data Science (2015-)
- Scientometrics (2007-)
- Journal of Information Science (2006-)