Nees Jan van Eck - Publications

List of publications by Nees Jan van Eck

If you want a copy of one of my publications, please send me an e-mail.

Journal Papers

Bascur, J.P., Verberne, S., Van Eck, N.J., & Waltman, L. (2023). Academic information retrieval using citation clusters: In-depth evaluation based on systematic reviews. Scientometrics, 128, 2895–2921. arXiv:2207.03299.
Palmblad, M., van Eck, N. J., & Bergquist, J. (2023). Capillary electrophoresis - A bibliometric analysis. TrAC Trends in Analytical Chemistry, 159, 116899.
Van Eck, N.J., & Waltman, L. (2022). Crossref as a source of open bibliographic metadata. MetaArXiv.
Mugabushaka, A.-M., Van Eck, N.J., & Waltman, L. (2022). Funding Covid-19 research: Insights from an exploratory analysis using open data infrastructures. Quantitative Science Studies, 3(3), 560–582. arXiv:2202.11639
Lamers, W.S., Boyack, K., Larivière, V., Sugimoto, C.R., Van Eck, N.J., Waltman, L., & Murray, D. (2021). Meta-Research: Investigating disagreement in the scientific literature. eLife, 10, e72737. arXiv:2107.14641.
Visser, M., Van Eck, N.J., & Waltman, L. (2021). Large-scale comparison of bibliographic data sources: Scopus, Web of Science, Dimensions, Crossref, and Microsoft Academic. Quantitative Science Studies, 2(1), 20-41. arXiv:2005.10732.
Colavizza, G., Costas, R., Traag, V.A., Van Eck, N.J., Van Leeuwen, T., & Waltman, L. (2021). A scientometric overview of CORD-19. PLOS ONE, 16(1), e0244839. bioRxiv:2020.04.20.046144.
D'Angelo, C.A. & Van Eck, N.J. (2020). Collecting large-scale publication data at the level of individual researchers: A practical proposal for author name disambiguation. Scientometrics, 123(2), 883-907.
Ahlgren, P., Chen, Y., Colliander, C., & Van Eck, N.J. (2020). Enhancing direct citations: A comparison of relatedness measures for community detection in a large set of PubMed publications. Quantitative Science Studies, 1(2), 714-729.
Waltman, L., Boyack, K.W., Colavizza, G., & Van Eck, N.J. (2020). A principled methodology for comparing relatedness measures for clustering publications. Quantitative Science Studies, 1(2), 691-713. arXiv:1901.06815.
Donner, P., Rimmert, C., & Van Eck, N.J. (2020). Comparing institutional-level bibliometric research performance indicator values based on different affiliation disambiguation systems. Quantitative Science Studies, 1(1), 150-170.
Subelj, L., Waltman, L., Traag, V.A., & Van Eck, N.J. (2020). Intermediacy of publications. Royal Society Open Science, 7(1), 190207. arXiv:1812.08259.
Siegle, G.J., Cramer, A.O.J., Van Eck, N.J., Spinhoven, P., Hollon, S.D., Ormel, J., Strege, M., & Bockting, C.L.H. (2019). Where are the breaks in translation from theory to clinical practice (and back) in addressing depression? An empirical graph-theoretic approach. Psychological Medicine, 49(16), 2681-2691.
Traag, V.A., Waltman, L., & Van Eck, N.J. (2019). From Louvain to Leiden: Guaranteeing well-connected communities. Scientific Reports, 9, 5233. arXiv:1810.08473. See also this blog post. The software is available here.
Van Eck, N.J., & Waltman, L. (2018). Analyzing the activities of visitors of the Leiden Ranking website. Journal of Data and Information Science, 3(3), 81-98. arXiv:1804.03869.
Zahedi, Z., & Van Eck, N.J. (2018). Exploring topics of interest of Mendeley users. Journal of Altmetrics, 1(1), 5.
Flis, I., & Van Eck, N.J. (2018). Framing psychology as a discipline (1950-1999): A large-scale term co-occurrence analysis of scientific literature in psychology. History of Psychology, 21(4), 334-362. PsyArXiv:10.17605/OSF.IO/5PCVU.
Mahieu, R., Van Eck, N.J., Van Putten, D., & Van den Hoven, J. (2018). From dignity to security protocols: A scientometric analysis of digital ethics. Ethics and Information Technology, 20(3), 175-187.
Palmblad, M., & Van Eck, N.J. (2018). Bibliometric analyses reveal patterns of collaboration between ASMS members. Journal of The American Society for Mass Spectrometry, 29(3), 447-454.
Colavizza, G., Boyack, K.W., Van Eck, N.J., & Waltman, L. (2018). The closer the better: Similarity of publication pairs at different co-citation levels. Journal of the Association for Information Science and Technology, 69(4), 600-609. arXiv:1707.03076.
Boyack, K.W., Van Eck, N.J., Colavizza, G., & Waltman, L. (2018). Characterizing in-text citations in scientific articles: A large-scale analysis. Journal of Informetrics, 12(1), 59-73. arXiv:1710.03094.
Van Eck, N.J., & Waltman, L. (2017). Citation-based clustering of publications using CitNetExplorer and VOSviewer. Scientometrics, 111(2), 1053-1070. arXiv:1702.03411.
Perianes-Rodriguez, A., Waltman, L., & Van Eck, N.J. (2016). Constructing bibliometric networks: A comparison between full and fractional counting. Journal of Informetrics, 10(4), 1178-119. arXiv:1607.02452.
Olensky, M., Schmidt, M. & Van Eck, N.J. (2016). Evaluation of the citation matching algorithms of CWTS and iFQ in comparison to Web of Science. Journal of the Association for Information Science and Technology, 67(10), 2550-2564. arXiv:1507.03314.
Waltman, L., Van Eck, N.J., Visser, M., & Wouters, P. (2016). The elephant in the room: The problem of quantifying productivity in evaluative scientometrics. Journal of Informetrics, 10(2), 671-674. arXiv:1605.02378.
Subelj, L., Van Eck, N.J., & Waltman, L. (2016). Clustering scientific publications based on citation relations: A systematic comparison of different methods. PLOS ONE, 11(4), e0154404. arXiv:1512.09023.
Waltman, L., & Van Eck, N.J. (2015). Field-normalized citation impact indicators and the choice of an appropriate counting method. Journal of Informetrics, 9(4), 872-894. arXiv:1501.04431. Some supplementary material is available here.
Van Eck, N.J., & Waltman, L. (2014). CitNetExplorer: A new software tool for analyzing and visualizing citation networks. Journal of Informetrics, 8(4), 802-823. arXiv:1404.5322.
Rodrigues, S.P., Van Eck, N.J., Waltman, L., & Jansen, F.W. (2014). Mapping patient safety: A large-scale analysis of the literature using bibliometric visualization techniques. BMJ Open. 4(3):e004468.
Rizzi, F., Van Eck, N.J., & Frey, M. (2014). The production of scientific knowledge on renewable energies: Worldwide trends, dynamics and challenges and implications for management. Renewable Energy, 62, 657-671.
Waltman, L., & Van Eck, N.J. (2013). A smart local moving algorithm for large-scale modularity-based community detection. European Physical Journal B, 86, 471. arXiv:1308.6604. The software is available here.
Waltman, L., Van Eck, N.J., Dekker, R., & Kaymak, U. (2013). An evolutionary model of price competition among spatially distributed firms. Computational Economics, 42(4), 373-391. The software is available here.
Waltman, L., & Van Eck, N.J. (2013). A systematic empirical comparison of different approaches for normalizing citation impact indicators. Journal of Informetrics, 7(4), 833-849. arXiv:1301.4941. Some supplementary material is available here.
Waltman, L., & Van Eck, N.J. (2013). Source normalized indicators of citation impact: An overview of different approaches and an empirical comparison. Scientometrics, 96(3), 699-716. arXiv:1208.6122. Some supplementary material is available here.
Waltman, L., Van Eck, N.J., & Wouters, P. (2013). Counting publications and citations: Is more always better? Journal of Informetrics, 7(3), 635-641. arXiv:1301.4597.
Van Eck, N.J., Waltman, L., Van Raan, A.F.J., Klautz, R.J.M., & Peul, W.C. (2013). Citation analysis may severely underestimate the impact of clinical research as compared to basic research. PLoS ONE, 8(4), e62395. arXiv:1210.0442. Some supplementary material is available here.
Waltman, L., Van Eck, N.J., Van Leeuwen, T.N., & Visser, M.S. (2013). Some modifications to the SNIP journal impact indicator. Journal of Informetrics, 7(2), 272-285. arXiv:1209.0785.
Waltman, L., & Van Eck, N.J. (2012). A new methodology for constructing a publication-level classification system of science. Journal of the American Society for Information Science and Technology, 63(12), 2378-2392. arXiv:1203.0532. Some supplementary material is available here.
Waltman, L., Calero-Medina, C., Kosten, J., Noyons, E.C.M., Tijssen, R.J.W., Van Eck, N.J., Van Leeuwen, T.N., Van Raan, A.F.J., Visser, M.S., & Wouters, P. (2012). The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation. Journal of the American Society for Information Science and Technology, 63(12), 2419-2432. arXiv:1202.3941. The Leiden Ranking 2011/2012 is available here.
Waltman, L., Costas, R., & Van Eck, N.J. (2012). Some limitations of the h-index: A commentary on Ruscio and colleagues' analysis of bibliometric indices. Measurement: Interdisciplinary Research and Perspectives, 10(3), 172-175.
Waltman, L., & Van Eck, N.J. (2012). A mathematical analysis of the long-run behavior of genetic algorithms for social modeling. Soft Computing, 16(6), 1071-1089. The software is available here.
Waltman, L., & Van Eck, N.J. (2012). The inconsistency of the h-index. Journal of the American Society for Information Science and Technology, 63(2), 406-415. arXiv:1108.3901.
Waltman, L., Van Eck, N.J., & Van Raan, A.F.J. (2012). Universality of citation distributions revisited. Journal of the American Society for Information Science and Technology, 63(1), 72-77. arXiv:1105.2934.
Waltman, L., Van Eck, N.J., Dekker, R., & Kaymak, U. (2011). Economic modeling using evolutionary algorithms: The effect of a binary encoding of strategies. Journal of Evolutionary Economics, 21(5), 737-756. The software is available here.
Waltman, L., Tijssen, R.J.W., & Van Eck, N.J. (2011). Globalisation of science in kilometres. Journal of Informetrics, 5(4), 574-582. arXiv:1103.3648.
Waltman, L., Yan, E., & Van Eck, N.J. (2011). A recursive field-normalized bibliometric performance indicator: An application to the field of library and information science. Scientometrics, 89(1), 301-314. arXiv:1105.3212.
Waltman, L., Van Eck, N.J., Van Leeuwen, T.N., Visser, M.S., & Van Raan, A.F.J. (2011). On the correlation between bibliometric indicators and peer review: Reply to Opthof and Leydesdorff. Scientometrics, 88(3), 1017-1022. arXiv:1105.5316. The data is available here.
Heersmink, R., Van den Hoven, J., Van Eck, N.J., & Van den Berg, J. (2011). Bibliometric mapping of computer and information ethics. Ethics and Information Technology, 13(3), 241-249.
Tijssen, R.J.W., Waltman, L., & Van Eck, N.J. (2011). Collaborations span 1,553 kilometres. Nature, 473(7346), 154. Correspondence.
Waltman, L., Van Eck, N.J., Van Leeuwen, T.N., Visser, M.S., & Van Raan, A.F.J. (2011). Towards a new crown indicator: An empirical analysis. Scientometrics, 87(3), 467-481. arXiv:1004.1632.
Zuccala, A. & Van Eck, N.J. (2011). Poverty research in a development policy context. Development Policy Review, 29(3), 311-330.
Waltman, L., Van Eck, N.J., Van Leeuwen, T.N., Visser, M.S., & Van Raan, A.F.J. (2011). Towards a new crown indicator: Some theoretical considerations. Journal of Informetrics, 5(1), 37-47. arXiv:1003.2167.
Waaijer, C.J.F., Van Bochove, C.A., & Van Eck, N.J. (2011). On the map: Nature and Science editorials. Scientometrics, 86(1), 99-112.
Van Eck, N.J., Waltman, L., Dekker, R., & Van den Berg, J. (2010). A comparison of two techniques for bibliometric mapping: Multidimensional scaling and VOS. Journal of the American Society for Information Science and Technology, 61(12), 2405-2416. arXiv:1003.2551. The bibliometric maps are available here.
Waltman, L., Van Eck, N.J., & Noyons, E.C.M. (2010). A unified approach to mapping and clustering of bibliometric networks. Journal of Informetrics, 4(4), 629-635. arXiv:1006.1032. Some supplementary material is available here.
Waltman, L., & Van Eck, N.J. (2010). The relation between Eigenfactor, audience factor, and influence weight. Journal of the American Society for Information Science and Technology, 61(7), 1476-1486. arXiv:1003.2198.
Van Eck, N.J., & Waltman, L. (2010). Software survey: VOSviewer, a computer program for bibliometric mapping. Scientometrics, 84(2), 523-538. VOSviewer is available here. The journal co-citation map is available here.
Van Raan, A.F.J., Van Leeuwen, T.N., Visser, M.S., Van Eck, N.J., & Waltman, L. (2010). Rivals for the crown: Reply to Opthof and Leydesdorff. Journal of Informetrics, 4(3), 431-435. arXiv:1003.2113.
Van Eck, N.J., Waltman, L., Noyons, E.C.M., & Buter, R.K. (2010). Automatic term identification for bibliometric mapping. Scientometrics, 82(3), 581-596. The term map is available here.
Waaijer, C.J.F., Van Bochove, C.A., & Van Eck, N.J. (2010). Journal Editorials give indication of driving science issues. Nature, 463(7278), 157. Correspondence. More information on this study can be found here.
Van Eck, N.J., & Waltman, L. (2009). On the proper understanding of the limiting behavior of generalizations of the h- and g-indices. Journal of Informetrics, 3(4), 369-370. Letter to the editor.
Waltman, L., & Van Eck, N.J. (2009). Some comments on Egghe's derivation of the impact factor distribution. Journal of Informetrics, 3(4), 363-366.
Van Eck, N.J., & Waltman, L. (2009). How to normalize co-occurrence data? An analysis of some well-known similarity measures. Journal of the American Society for Information Science and Technology, 60(8), 1635-1651.
Waltman, L., & Van Eck, N.J. (2009). Robust evolutionary algorithm design for socio-economic simulation: Some comments. Computational Economics, 33(1), 103-105.
Waltman, L., & Van Eck, N.J. (2008). Some comments on the journal weighted impact factor proposed by Habibzadeh and Yadollahie. Journal of Informetrics, 2(4), 369-372.
Van Eck, N.J., & Waltman, L. (2008). Generalizing the h- and g-indices. Journal of Informetrics, 2(4), 263-271.
Van Eck, N.J., & Waltman, L. (2008). Appropriate similarity measures for author cocitation analysis. Journal of the American Society for Information Science and Technology, 59(10), 1653-1661.
Van Eck, N.J., & Van Wezel, M. (2008). Application of reinforcement learning to the game of Othello. Computers & Operations Research, 35(6), 1999-2017. The Othello applet is available here.
Van Eck, N.J., & Waltman, L. (2007). Bibliometric mapping of the computational intelligence field. International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 15(5), 625-645. The concept (density) maps and the concept map viewer are available here.
Waltman, L., & Van Eck, N.J. (2007). Some comments on the question whether co-occurrence data should be normalized. Journal of the American Society for Information Science and Technology, 58(11), 1701-1703.
Van Eck, N.J., Waltman, L., Van den Berg, J., & Kaymak, U. (2006). Visualizing the computational intelligence field. IEEE Computational Intelligence Magazine, 1(4), 6-10. The concept (density) maps and the concept map viewer are available here.

Book Chapters

Luwel, M., van Eck, N.J., & van Leeuwen, T. (2020). Characteristics of publication delays over the period 2000-2016. In Evaluative Informetrics: The Art of Metrics-Based Research Assessment (pp. 89-114). Springer.
Waltman, L., & Van Eck, N.J. (2019). Field normalization of scientometric indicators. In W. Glänzel et al. (Eds.), Handbook of science and technology indicators (pp. 281-300). Springer. arXiv:1801.09985.
Van Eck, N.J., & Waltman, L. (2014). Visualizing bibliometric networks. In Y. Ding, R. Rousseau, and D. Wolfram, editors, Measuring scholarly impact: Methods and practice (pp. 285-320). Springer.
Soni, A., Van Eck, N.J., & Kaymak, U. (2013). Predicting stock price movements from concept map information. In N.S. Thomaidis and G.H. Dash, editors, Recent Advances in Computational Finance (pp. 173-186). Nova Science Publishers.
Van Eck, N.J., & Waltman, L. (2007). VOS: a new method for visualizing similarities between objects. In H.-J. Lenz and R. Decker, editors, Advances in Data Analysis, Studies in Classification, Data Analysis, and Knowledge Organization (pp. 299-306). Springer. Software available at www.neesjanvaneck.nl/vos/.

Conference Papers

Lin, G., Van Eck, N.J., Hou, H., & Hu, Z. (2022). The changing role of cited papers over time: An analysis of highly cited papers based on a large full text dataset. In Proceedings of the 26th International Conference on Science, Technology and Innovation Indicators.
Van Eck, N.J. & Waltman, L. (2021). Crossref as a source of open bibliographic metadata. In Proceedings of the 18th International Conference of the International Society for Scientometrics and Informetrics (pp. 1169-1174).
Lamers, W.S., Van Eck, N.J., & Colavizza, g. (2021). An appraisal of publication embedding techniques in the context of conventional bibliometric relatedness measures. In Proceedings of the 18th International Conference of the International Society for Scientometrics and Informetrics (pp. 633-638).
Bascur, J.B., Verberne, S., Van Eck, N.J., & Waltman, L. (2020). Browsing Citation Clusters for Academic Literature Search: A Simulation Study with Systematic Reviews. In Proceedings of the 10th International Workshop on Bibliometric-enhanced Information Retrieval, co-located with 42nd European Conference on Information Retrieval (ECIR 2020), CEUR workshop proceedings Vol-2591 (pp. 53-65).
Donner, P., Rimmert, C., & Van Eck, N.J. (2019). Comparing institutional-level bibliometric indicator values based on different affiliation disambiguation systems. Benchmarking Web of Science and Scopus platform tools against a gold-standard data set for Germany. In Proceedings of the 17th International Conference of the International Society for Scientometrics and Informetrics (pp. 306-315).
Subelj, L., Waltman, L., Traag, V.A., & Van Eck, N.J. (2019). Intermediacy of publications. In Proceedings of the 17th International Conference of the International Society for Scientometrics and Informetrics (pp. 1288-1300).
Ahlgren, P., Chen, Y., Colliander, C., & Van Eck, N.J. (2019). Community detection using citation relations and textual similarities in a large set of PubMed publications. In Proceedings of the 17th International Conference of the International Society for Scientometrics and Informetrics (pp. 1380-1391).
Lamers, W.S., Van Eck, N.J., & Waltman, L. (2019). Variations in citation practices across the scientific landscape: Analysis based on a large full-text corpus. In Proceedings of the 17th International Conference of the International Society for Scientometrics and Informetrics (pp. 2121-2132).
Visser, M., Van Eck, N.J., & Waltman, L. (2019). Large-scale comparison of bibliographic data sources: Web of Science, Scopus, Dimensions, and Crossref. In Proceedings of the 17th International Conference of the International Society for Scientometrics and Informetrics (pp. 2358-2369).
Murray, D., Lamers, W., Boyack, K.W., Larivière, V., Sugimoto, C., Van Eck, N.J., Waltman, L. (2019). Measuring disagreement in science. In Proceedings of the 17th International Conference of the International Society for Scientometrics and Informetrics (pp. 2370-2375).
Bascur, J.P., Van Eck, N.J., & Waltman, L. (2019). An interactive visual tool for scientific literature search: Proposal and algorithmic specification. In Proceedings of the 8th International Workshop on Bibliometric-enhanced Information Retrieval (pp. 76-87).
Lamers, W., Van Eck, N.J., Waltman, L., & Hoos, H. (2018). Patterns in citation context: The case of the field of scientometrics. In Proceedings of the 23rd International Conference on Science and Technology Indicators (pp. 1114-1122).
Ranjbar-Sahraei, B., & Van Eck, N.J. (2018). Accuracy of affiliation information in Microsoft Academic: Implications for institutional level research evaluation. In Proceedings of the 23rd International Conference on Science and Technology Indicators (pp. 1065-1067).
Luwel, M., Van Eck, N.J., & Van Leeuwen, T.N. (2018). The Schön case: Analyzing in-text citations to papers before and after retraction. In Proceedings of the 23rd International Conference on Science and Technology Indicators (pp. 1025-1030).
Van Eck, N.J. & Waltman, L. (2018). Analyzing the activities of visitors of the Leiden Ranking website. In Proceedings of the 23rd International Conference on Science and Technology Indicators (pp. 857-867).
Van Eck, N.J., & Waltman, L., Song, M., & Jeong, Y.K. (2017). Using full-text data to create improved term maps. In Proceedings of the 16th International Conference of the International Society for Scientometrics and Informetrics (pp. 1136-1141).
Van Eck, N.J., & Waltman, L. (2017). Accuracy of citation data in Web of Science and Scopus. In Proceedings of the 16th International Conference of the International Society for Scientometrics and Informetrics (pp. 1087-1092).
Boyack, K.W., Van Eck, N.J., Colavizza, G., & Waltman, L. (2017). Reference behavior in the full text of scientific articles: A large-scale analysis. In Proceedings of the 16th International Conference of the International Society for Scientometrics and Informetrics (pp. 787-798).
Waltman, L., Boyack, K.W., Colavizza, G., & Van Eck, N.J. (2017). A principled methodology for comparing relatedness measures for clustering publications. In Proceedings of the 16th International Conference of the International Society for Scientometrics and Informetrics (pp. 691-702).
Colavizza, G., Boyack, K.W., Van Eck, N.J., & Waltman, L. (2017). Exploring the similarity of articles co-cited at different levels. In Proceedings of the 16th International Conference of the International Society for Scientometrics and Informetrics (pp. 549-560).
Waltman, L., & Van Eck, N.J. (2016). The need for contextualized scientometric analysis: An opinion paper. In Proceedings of the 21th International Conference on Science and Technology Indicators (pp. 541-549).
Waltman, L., & Van Eck, N.J. (2015). Field-normalized citation impact indicators and the choice of an appropriate counting method. In Proceedings of the 15th International Conference of the International Society for Scientometrics and Informetrics (pp. 328-339).
Van Eck, N.J., & Waltman, L. (2014). CitNetExplorer: A new software tool for analyzing and visualizing citation networks. In E. Noyons, editor, Proceedings of the 19th International Conference on Science and Technology Indicators (pp. 181-192).
Caron E., & Van Eck, N.J. (2014). Large scale author name disambiguation using rule-based scoring and clustering. In E. Noyons, editor, Proceedings of the 19th International Conference on Science and Technology Indicators (pp. 79-86).
Waltman, L., & Van Eck, N.J. (2013). A systematic empirical comparison of different approaches for normalizing citation impact indicators. In J. Gorraiz, E. Schiebel, C. Gumpenberger, M. Hörlesberger, and H. Moed, editors, Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics, volume 2 (pp. 1649-1664).
Waltman, L., Wouters, P., & Van Eck, N.J. (2013). Counting publications and citations: Is more always better? In J. Gorraiz, E. Schiebel, C. Gumpenberger, M. Hörlesberger, and H. Moed, editors, Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics, volume 1 (pp. 455-467).
Waltman, L., & Van Eck, N.J. (2012). Constructing a publication-level classification system of science. In É. Archambault, Y. Gingras and V. Larivière, editors, Proceedings of the 17th International Conference on Science and Technology Indicators, volume 2 (pp. 803-814).
Waltman, L., C. Calero-Medina, J. Kosten, Noyons, E.C.M., Tijssen, R.J.W., Van Eck, N.J., Van Leeuwen, T.N., Van Raan, A.F.J., Visser, M.S., & Wouters, P. (2012). The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation. In É. Archambault, Y. Gingras and V. Larivière, editors, Proceedings of the 17th International Conference on Science and Technology Indicators, volume 2 (pp. 791-802).
Tijssen, R.J.W., Waltman, L., & Van Eck, N.J. (2012). Research collaboration and the expanding science grid: Measuring globalization processes worldwide. In É. Archambault, Y. Gingras and V. Larivière, editors, Proceedings of the 17th International Conference on Science and Technology Indicators, volume 2 (pp. 779-790).
Van Eck, N.J., Waltman, L., & Tijssen, R.J.W. (2011). Globalization of science: Geographical distance measurements of research collaboration. In Noyons, E.C.M., P. Ngulube, and J. Leta, editors, Proceedings of the 13th International Conference of the International Society for Scientometrics and Informetrics (pp. 181-186).
Luwel, M., Noyons, E.C.M., & Van Eck, N.J. (2011). A comparative bibliometric analysis of the STI and the ISSI conference series. In Noyons, E.C.M., P. Ngulube, and J. Leta, editors, Proceedings of the 13th International Conference of the International Society for Scientometrics and Informetrics (pp. 505-514).
Van Eck, N.J., & Waltman, L. (2009). VOSviewer: A computer program for bibliometric mapping. In B. Larsen and J. Leta, editors, Proceedings of the 12th International Conference on Scientometrics and Informetrics (pp. 886-897). VOSviewer is available here.
Van Eck, N.J., Frasincar, F., & Chang, D. (2008). Cluster-based visualization of concept associations. In Proceedings of the 12th International Conference on Information Visualisation (pp. 409-414).
Kruse, R., Borgelt, C., Nauck, D.D., Van Eck, N.J., & Steinbrecher, M. (2007). The role of soft computing in intelligent data analysis. In Final program and abstracts of the 2007 IEEE International Conference on Fuzzy Systems (pp. 9-17). Invited paper.
Soni, A., Van Eck, N.J., & Kaymak, U. (2007). Prediction of stock price movements based on concept map information. In Proceedings of the 2007 IEEE Symposium on Computational Intelligence in Multicriteria Decision Making (pp. 205-211).
Van Eck, N.J., Waltman, L., Van den Berg, J., & Kaymak, U. (2006). Visualizing the WCCI 2006 knowledge domain. In Proceedings of the 2006 IEEE International Conference on Fuzzy Systems (pp. 7862-7869). The concept map viewer is available here.
Van Eck, N.J., F. Frasincar, & Van den Berg, J. (2006). Visualizing concept associations using concept density maps. In Proceedings of the 10th International Conference on Information Visualisation (pp. 270-275).
Van Eck, N.J., Waltman, L., & Van den Berg, J. (2005). A novel algorithm for visualizing concept associations. In Proceedings of the 16th International Workshop on Database and Expert Systems Applications (pp. 405-409). The ACS viewer software is available here.
Van den Berg, J., Van Eck, N.J., Waltman, L., & Kaymak, U. (2004). A VICORE architecture for intelligent knowledge management. In Proceedings of the KDNet Symposium on Knowledge-Based Services for the Public Sector (pp. 63-74).

(Extended) Abstracts

Van Eck, N.J., & Waltman, L. (2012). Multiple perspectives on bibliometric data: Combining different science mapping approaches using VOSviewer. 2st Global TechMining Conference.
Van Eck, N.J., Tijssen, R.J.W., & Waltman, L. (2011). Globalization of public-private research in worldwide science: co-publication trends and geographical distances between research partners. In Proceedings of the Atlanta Conference on Science and Innovation Policy 2011.
Van Eck, N.J., & Waltman, L. (2011). Text mining and visualization using VOSviewer. 1st Global TechMining Conference.
Waltman, L., & Van Eck, N.J. (2010). A general source normalized approach to bibliometric research performance assessment. In Book of Abstracts of the 11th International Conference on Science and Technology Indicators (pp. 298-299).
Van Raan, A.F.J., Van Eck, N.J., Van Leeuwen, T.N., Visser, M.S., & Waltman, L. (2010). The new set of bibliometric indicators of CWTS. In Book of Abstracts of the 11th International Conference on Science and Technology Indicators (pp. 291-293).
Van Eck, N.J., Waltman, L., & Noyons, E.C.M. (2010). A unified approach to mapping and clustering of bibliometric networks. In Book of Abstracts of the 11th International Conference on Science and Technology Indicators (pp. 284-287).
Noyons, E.C.M., Waltman, L., Kähler, O., & Van Eck, N.J. (2010). Developing a comprehensive Scopus journal classification scheme using bibliometric data. In Book of Abstracts of the 11th International Conference on Science and Technology Indicators (pp. 208-210).
M. Luwel, Noyons, E.C.M., & Van Eck, N.J. (2010). A bibliometric analysis of the history of the International Conference on Science and Technology Indicators 1988-2008. In Book of Abstracts of the 11th International Conference on Science and Technology Indicators (pp. 184-186).
Waltman, L., & Van Eck, N.J. (2009). A taxonomy of bibliometric performance indicators based on the property of consistency. In B. Larsen and J. Leta, editors, Proceedings of the 12th International Conference on Scientometrics and Informetrics (pp. 1002-1003).
Van Eck, N.J., Waltman, L., Dekker, R., & Van den Berg, J. (2008). An experimental comparison of bibliometric mapping techniques. In Book of Abstracts of the 10th International Conference on Science and Technology Indicators (pp. 45-48). The bibliometric maps are available here.
Van Eck, N.J., Waltman, L., Noyons, E.C.M., & Buter, R.K. (2008). Automatic term identification for bibliometric mapping. In Book of Abstracts of the 10th International Conference on Science and Technology Indicators (pp. 49-52). The bibliometric maps are available here.
Waltman, L., & Van Eck, N.J. (2008). Equilibria in first-price sealed-bid auctions of multiple heterogeneous objects: A numerical approach. In Book of Abstracts of the 14th International Conference on Computing in Economics and Finance (pp. 91).
Waltman, L., & Van Eck, N.J. (2008). An algorithm for calculating the long-run behavior of genetic algorithms in economic modeling. In Book of Abstracts of the 14th International Conference on Computing in Economics and Finance (pp. 92-93).
Van Eck, N.J., & Waltman, L. (2007). Applying ideas from homogeneity analysis to visualize similarity data. In Program and Abstracts of the Conference on Correspondence Analysis and Related Methods (pp. 89).
Van Eck, N.J., Waltman, L., Van den Berg, J., and Kaymak, U. (2006). On the visualization of the soft computing knowledge domain. In Proceedings of the Symposium on Fuzzy Systems in Computer Science 2006 (pp. 96-97). The concept (density) maps and the concept map viewer are available here.
Van Eck, N.J., & Waltman, L. (2006). A comparison of knowledge domain visualization approaches. In Program and Abstracts of the Conference 50 Years of Econometrics (pp. 22).
Waltman, L., & Van Eck, N.J. (2006). VOS: a new method for visualizing similarities between objects. In Program and Abstracts of the Conference 50 Years of Econometrics (pp. 33).
Van Eck, N.J., Waltman, L., & Van den Berg, J. (2006). A new method for visualizing associations between concepts. In Program and Abstracts of the 30th Annual Conference of the German Classification Society (pp. 195).
Van Eck, N.J., Waltman, L., & Van den Berg, J. (2005). A novel algorithm for visualizing concept associations. In Proceedings of the 17th Belgian-Dutch Conference on Artificial Intelligence (pp. 397-398). The ACS viewer software is available here.

Blog posts

Van Eck, N.J., & Waltman, L. (February 21, 2023). The preprint revolution - Implications for bibliographic databases.
Traag, V., Dudek, J., Dagiene, E., Van Eck, N.J., & Costas, R. (December 7, 2022). Take responsibility for social media.
Van Eck, N.J., & Waltman, L. (July 6, 2022). The growth of open peer review.
Mugabushaka, A.-M., Van Eck, N.J., & Waltman, L. (February 25, 2022). Funding Covid-19 research: Insights from an exploratory analysis using open data infrastructures.
Lamers, W.S., Boyack, K., Larivière, V., Sugimoto, C.R., Van Eck, N.J., Waltman, L., & Murray, D. (January 19, 2022). A first step in quantifying disagreement across science.
Van Eck, N.J., & Waltman, L. (July 22, 2021). VOSviewer goes online! (Part 2).
Van Eck, N.J., & Waltman, L. (July 16, 2021). VOSviewer goes online! (Part 1).
Waaijers, L., Waltman, L., De Vries, S., Van Leeuwen, T.N., & Van Eck, N.J. (March 2, 2021). Bona Fide Journals - Creating a predatory-free academic publishing environment.
Waltman, L., Anli, Z., Calero-Medina, C., Neijssel, M., Reyes Elizondo, A., Van Eck, N.J., & Visser, M. (July 8, 2020). The CWTS Leiden Ranking 2020.
Visser, M., Van Eck, N.J., & Waltman, L. (May 29, 2020). Comparing bibliographic data sources: Q&A.
Colavizza, G., Costas, R., Traag, V.A., Van Eck, N.J., Van Leeuwen, T., & Waltman, L. (April 21, 2020). Delineating COVID-19 and coronavirus research.
Van Eck, N.J., & Waltman, L. (October 28, 2019). Mapping science using Microsoft Academic data.
Waltman, L., & Van Eck, N.J. (June 18, 2019). Do hyphens in article titles harm citation counts?
Waltman, L., & Van Eck, N.J. (May 15, 2019). CWTS Leiden Ranking 2019 provides indicators of open access publishing and gender diversity.
Van Eck, N.J., & Waltman, L. (January 10, 2019). VOSviewer supports large number of new data sources.
Traag, V.A., Waltman, W., & Van Eck, N.J. (October 22, 2018). Using the Leiden algorithm to find well-connected clusters in networks.
Waltman, L., & Van Eck, N.J. (April 30, 2018). What are users of the CWTS Leiden Ranking interested in?
Van Eck, N.J., & Waltman, L. (February 16, 2018). Farewell rainbow! New colors in VOSviewer.
Van Eck, N.J., Waltman, L., Larivière, V., & Sugimoto, C. (January 17, 2018). Crossref as a new source of citation data: A comparison with Web of Science and Scopus.
Van Eck, N.J., & Waltman, L. (October 23, 2017). Visualizing freely available citation data using VOSviewer.
Waltman, L., Wouters, P., & Van Eck, N.J. (May 17, 2017). Ten principles for the responsible use of university rankings.
Van Eck, N.J., & Waltman, L. (September 28, 2016). VOSviewer: Latest improvements and future plans.
Waltman, L., Van Eck, N.J., Tijssen, R., & Wouters, P. (May 18, 2016). Moving beyond just ranking - The CWTS Leiden Ranking 2016.

Other Publications

Van den Boomen, B., Van Eck, N.J., Waltman, Ludo, Ross-Hellauer, T., & Horbach, S.P.J.M. (2023). The Scholarly Communication Platform Framework. Zenodo.
Van Eck, N.J., & Waltman, L. (2011). Text mining and visualization using VOSviewer. ISSI Newsletter, 7(3), 50-54. arXiv:1109.2058. The term maps are available here.
Waltman, L., & Van Eck, N.J. (2009). A simple alternative to the h-index. ISSI Newsletter, 5(3), 46-48.

PhD Thesis

Van Eck, N.J. (2011). Methodological Advances in Bibliometric Mapping of Science. Erasmus University Rotterdam, ERIM PhD Series Research in Management, EPS-2011-247-LIS, ISBN 978-90-5892-291-5.