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Ludo Waltman

leiden university - excl lumc

55H-index
383Paper Count
4.4WCitation Count
Published Papers 56
Publication Date
Incentivising, excluding, and enduring: insular policy feedback in Lithuanian research assessment
err2026-02-01
err0
PREAI
errDagiene, Eleonora; Lariviere, Vincent; Dix, Guus; Waltman, Ludo
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Making problems: interdisciplinary collaboration and AI ethics
err2025-11-25
err0
errOAAI
errDavid Moats; Tjitske Holtrop; Nees Jan van Eck; Judit Varga; Ludo Waltman; Francien Dechesne
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A guide for social science journal editors on easing into open science
err2024-02-16
err3
errOAAI
errSilverstein, Priya; Elman, Colin; Montoya, Amanda; McGillivray, Barbara; Pennington, Charlotte R.; Harrison, Chase H.; Steltenpohl, Crystal N.; Roeer, Jan Philipp; Corker, Katherine S.; Charron, Lisa M.; Elsherif, Mahmoud; Malicki, Mario; Hayes-Harb, Rachel; Grinschgl, Sandra; Neal, Tess; Evans, Thomas Rhys; Karhulahti, Veli-Matti; Krenzer, William L. D.; Belaus, Anabel; Moreau, David; Burin, Debora I.; Chin, Elizabeth; Plomp, Esther; Mayo-Wilson, Evan; Lyle, Jared; Adler, Jonathan M.; Bottesini, Julia G.; Lawson, Katherine M.; Schmidt, Kathleen; Reneau, Kyrani; Vilhuber, Lars; Waltman, Ludo; Gernsbacher, Morton Ann; Plonski, Paul E.; Ghai, Sakshi; Grant, Sean; Christian, Thu-Mai; Ngiam, William; Syed, Moin
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Academic information retrieval using citation clusters: in-depth evaluation based on systematic reviews
err2023-03-21
err9
errOAAI
errBascur, Juan Pablo; Verberne, Suzan; van Eck, Nees Jan; Waltman, Ludo
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RETRACTION: Predatory publishing in Scopus: evidence on cross-country differences lacks justification (Retraction of Vol 126, Pg 1897, 2021)
err2022-11-30
err6
errOAAI
errAbramo, Giovanni; Aguillo, Isidro F.; Aksnes, Dag W.; Boyack, Kevin; Burrell, Quentin L.; Campanario, Juan Miguel; Chinchilla-Rodriguez, Zaida; Costas, Rodrigo; D'Angelo, Ciriaco Andrea; Harzing, Anne-Wil; Jamali, Hamid R.; Lariviere, Vincent; Leydesdorff, Loet; Luwel, Marc; Martin, Ben; Mayr, Philipp; McCain, Katherine W.; Peters, Isabella; Rafols, Ismael; Robinson-Garcia, Nicolas; Schubert, Torben; Small, Henry; Sugimoto, Cassidy R.; Thelwall, Mike; van den Besselaar, Peter; van Leeuwen, Thed; Waltman, Ludo
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A principled methodology for comparing relatedness measures for clustering publications
err2020-03-10
err44
errOAAI
errWaltman, Ludo; Boyack, Kevin W.; Colavizza, Giovanni; Van Eck, Nees Jan
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Opening science: The rebirth of a scholarly journal
err2020-02-01
err3
errOAAI
errWaltman, Ludo; Lariviere, Vincent; Milojevic, Stasa; Sugimoto, Cassidy R.
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Special issue on bibliographic data sources
err2020-02-01
err22
errOAAI
errWaltman, Ludo; Lariviere, Vincent
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Rethink impact factors: find new ways to judge a journal
errNATURE
IF48.5
err2019-05-28
err49
errOAAI
errWouters, Paul; Sugimoto, Cassidy R.; Lariviere, Vincent; McVeigh, Marie E.; Pulverer, Bernd; de Rijcke, Sarah; Waltman, Ludo
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From Louvain to Leiden: guaranteeing well-connected communities
err2019-03-26
err2.5K
errOAAI
errTraag, V. A.; Waltman, L.; van Eck, N. J.
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Science of science
errSCIENCE
IF45.8
err2018-03-02
err832
errOAAI
errFortunato, Santo; Bergstrom, Carl T.; Boerner, Katy; Evans, James A.; Helbing, Dirk; Milojevic, Stasa; Petersen, Alexander M.; Radicchi, Filippo; Sinatra, Roberta; Uzzi, Brian; Vespignani, Alessandro; Waltman, Ludo; Wang, Dashun; Barabasi, Albert-Laszlo
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Characterizing in-text citations in scientific articles: A large-scale analysis
err2018-02-01
err90
errOAAI
errBoyack, Kevin W.; van Eck, Nees Jan; Colavizza, Giovanni; Waltman, Ludo
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