Waltman, Ludo
- Large-scale comparison of bibliographic data sources: Scopus, Web of Science, Dimensions, Crossref, and Microsoft Academic
2020/05/21 by Martijn S. Visser, Nees Jan van Eck, Visser, Martijn +3 · 13 citations
Decision Sciences · #Digital Libraries (cs.DL) #FOS: Computer and information sciences #scientometrics and bibliometrics research
- A review of the literature on citation impact indicators
2015/07/08 by Waltman, Ludo · 9 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- A new methodology for constructing a publication-level classification system of science
2012/03/02 by Waltman, Ludo, van Eck, Nees Jan · 6 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- A unified approach to mapping and clustering of bibliometric networks
2010/06/05 by Waltman, Ludo, van Eck, Nees Jan, Noyons, Ed C. M. · 5 citations
#Data Analysis #Digital Libraries (cs.DL) #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph) #Statistics and Probability (physics.data-an)
- Towards a new crown indicator: Some theoretical considerations
2010/03/10 by Waltman, Ludo, van Eck, Nees Jan, van Leeuwen, Thed N. +2 · 3 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph)
- Gender differences in scientific careers: A large-scale bibliometric analysis
2021/06/23 by Hanjo D. Boekhout, Boekhout, Hanjo, Inge van der Weijden +3 · 5 citations
Decision Sciences · Medicine · Social Sciences · #Digital Libraries (cs.DL) #Diversity and Career in Medicine #FOS: Computer and information sciences #Sex and Gender in Healthcare #scientometrics and bibliometrics research
- A systematic empirical comparison of different approaches for\n normalizing citation impact indicators
2013/01/21 by Ludo Waltman, Nees Jan van Eck, Waltman, Ludo +1 · 3 citations
Decision Sciences · Economics, Econometrics and Finance · Physics and Astronomy · #Complex Network Analysis Techniques #Complex Systems and Time Series Analysis #Digital Libraries (cs.DL) #FOS: Computer and information sciences #scientometrics and bibliometrics research
- Large-Scale Analysis of the Accuracy of the Journal Classification Systems of Web of Science and Scopus
2015/11/02 by Wang, Qi, Waltman, Ludo · 3 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- Constructing bibliometric networks: A comparison between full and\n fractional counting
2016/07/08 by Antonio Perianes‐Rodríguez, Perianes-Rodriguez, Antonio, Ludo Waltman +3 · 3 citations
Biochemistry, Genetics and Molecular Biology · Computer Science · Decision Sciences · Physics and Astronomy · #Bioinformatics and Genomic Networks #Complex Network Analysis Techniques #Computational Drug Discovery Methods #Digital Libraries (cs.DL) #FOS: Computer and information sciences #Social and Information Networks (cs.SI) #scientometrics and bibliometrics research
- An empirical analysis of the use of alphabetical authorship in scientific publishing
2012/06/21 by Waltman, Ludo · 2 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- The Leiden Ranking 2011/2012: Data collection, indicators, and\n interpretation
2012/02/17 by Ludo Waltman, Clara Calero‐Medina, Waltman, Ludo +17 · 2 citations
Decision Sciences · Social Sciences · #Digital Libraries (cs.DL) #Education, Management, Technology, Human Resources #FOS: Computer and information sciences #Higher Education Governance and Development #scientometrics and bibliometrics research
- Field-normalized citation impact indicators and the choice of an\n appropriate counting method
2015/01/19 by Ludo Waltman, Nees Jan van Eck, Waltman, Ludo +1 · 2 citations
Decision Sciences · #Digital Libraries (cs.DL) #FOS: Computer and information sciences #scientometrics and bibliometrics research
- Citation-based clustering of publications using CitNetExplorer and VOSviewer
2017/02/11 by van Eck, Nees Jan, Waltman, Ludo · 2 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- Characterizing in-text citations in scientific articles: A large-scale analysis
2017/10/09 by Boyack, Kevin W., van Eck, Nees Jan, Colavizza, Giovanni +1 · 2 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- Towards a new crown indicator: An empirical analysis
2010/04/09 by Waltman, Ludo, van Eck, Nees Jan, van Leeuwen, Thed N. +2 · 1 citation
#Digital Libraries (cs.DL) #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph)
- A comparison of two techniques for bibliometric mapping: Multidimensional scaling and VOS
2010/03/12 by Nees Jan van Eck, van Eck, Nees Jan, Ludo Waltman +5 · 1 citation
Computer Science · #Advanced Clustering Algorithms Research #Advanced Text Analysis Techniques #Data Mining Algorithms and Applications #Digital Libraries (cs.DL) #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph)
- The inconsistency of the h-index
2011/08/19 by Ludo Waltman, Waltman, Ludo, Nees Jan van Eck +1 · 1 citation
Decision Sciences · #Digital Libraries (cs.DL) #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph) #scientometrics and bibliometrics research
- Academic information retrieval using citation clusters: In-depth evaluation based on systematic reviews
2022/07/07 by Bascur, Juan Pablo, Verberne, Suzan, van Eck, Nees Jan +1 · 2 citations
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- CitNetExplorer: A new software tool for analyzing and visualizing citation networks
2014/04/21 by van Eck, Nees Jan, Waltman, Ludo · 1 citation
#Digital Libraries (cs.DL) #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph) #Social and Information Networks (cs.SI)
- Investigating Disagreement in the Scientific Literature
2021/07/30 by Lamers, Wout S., Boyack, Kevin, Larivière, Vincent +4 · 2 citations
#Computation and Language (cs.CL) #Digital Libraries (cs.DL) #FOS: Computer and information sciences
- Accuracy of citation data in Web of Science and Scopus
2019/06/17 by Nees Jan van Eck, Ludo Waltman, van Eck, Nees Jan +1 · 1 citation
Biochemistry, Genetics and Molecular Biology · Decision Sciences · #Biomedical Text Mining and Ontologies #Digital Libraries (cs.DL) #FOS: Computer and information sciences #Scientific Computing and Data Management #scientometrics and bibliometrics research
- A principled methodology for comparing relatedness measures for\n clustering publications
2019/01/21 by Ludo Waltman, Kevin W. Boyack, Waltman, Ludo +5 · 1 citation
Biochemistry, Genetics and Molecular Biology · Decision Sciences · #Bioinformatics and Genomic Networks #Biomedical Text Mining and Ontologies #Digital Libraries (cs.DL) #FOS: Computer and information sciences #Social and Information Networks (cs.SI) #scientometrics and bibliometrics research
- The Closer the Better: Similarity of Publication Pairs at Different Co-Citation Levels
2017/07/10 by Colavizza, Giovanni, Boyack, Kevin W., van Eck, Nees Jan +1 · 1 citation
#Digital Libraries (cs.DL) #FOS: Computer and information sciences
- A comparison of citation-based clustering and topic modeling for science mapping
2023/09/12 by Qianqian Xie, Ludo Waltman, Xie, Qianqian +1 · 1 citation
Decision Sciences · Medicine · #Digital Libraries (cs.DL) #FOS: Computer and information sciences #Health and Medical Research Impacts #Meta-analysis and systematic reviews #scientometrics and bibliometrics research
- Which topics are best represented by science maps? An analysis of clustering effectiveness for citation and text similarity networks
2024/06/10 by Juan Pablo Bascur, Bascur, Juan Pablo, Suzan Verberne +5 · 1 citation
Biochemistry, Genetics and Molecular Biology · Decision Sciences · #Biomedical Text Mining and Ontologies #scientometrics and bibliometrics research