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List of works by Ludo Waltman

-learning agents in a Cournot oligopoly model

A Large-Scale Analysis of Impact Factor Biased Journal Self-Citations

scientific article

A Longitudinal Analysis of Publications on Maternal Mortality

scientific article published on September 2015

A Novel Algorithm for Visualizing Concept Associations

scholarly article

A Theoretical Analysis of Cooperative Behavior in Multi-agent Q-learning

article published in 2007

A comparison of two techniques for bibliometric mapping: Multidimensional scaling and VOS

scientific article published in December 2010

A mathematical analysis of the long-run behavior of genetic algorithms for social modeling

A new methodology for constructing a publication-level classification system of science

scientific article published on 20 November 2012

A principled methodology for comparing relatedness measures for clustering publications

scientific article published on 1 June 2020

A recursive field-normalized bibliometric performance indicator: an application to the field of library and information science

scientific article published on July 10, 2011

A review of the literature on citation impact indicators

scientific article published in May 2016

A scientometric overview of CORD-19

scientific article published on 21 April 2020

A scientometric overview of CORD-19

scientific article published on 07 January 2021

A smart local moving algorithm for large-scale modularity-based community detection

A systematic empirical comparison of different approaches for normalizing citation impact indicators

A unified approach to mapping and clustering of bibliometric networks

Accuracy of citation data in Web of Science and Scopus

scholarly article published 17 June 2019

An Evolutionary Model of Price Competition Among Spatially Distributed Firms

An empirical analysis of the use of alphabetical authorship in scientific publishing

Appropriate similarity measures for author co‐citation analysis

article published in 2008

Automatic term identification for bibliometric mapping

scientific article published on 11 February 2010

BIBLIOMETRIC MAPPING OF THE COMPUTATIONAL INTELLIGENCE FIELD

article published in 2007

Barcelona Declaration on Open Research Information

2024 statement related to open science

Bibliometrics: The Leiden Manifesto for research metrics

scientific article (publication date: 22 April 2015)

Characterizing in-text citations in scientific articles: A large-scale analysis

CitNetExplorer: A new software tool for analyzing and visualizing citation networks

scientific article published on 27 August 2014

Citation analysis may severely underestimate the impact of clinical research as compared to basic research

scientific article

Citation-based clustering of publications using CitNetExplorer and VOSviewer

scientific article

Clustering Scientific Publications Based on Citation Relations: A Systematic Comparison of Different Methods

scientific article

Collaborations span 1,553 kilometres

scientific article

Constructing bibliometric networks: A comparison between full and fractional counting

scientific article published in November 2016

Correction to 'Intermediacy of publications'

scientific article published on 02 September 2020

Counting publications and citations: Is more always better?

Crossref as a source of open bibliographic metadata

scientific article

Economic modeling using evolutionary algorithms: the effect of a binary encoding of strategies

scholarly article by Ludo Waltman et al published 9 June 2010 in Journal of Evolutionary Economics

Exploring the relationship between the engineering and physical sciences and the health and life sciences by advanced bibliometric methods

scientific article

From Louvain to Leiden: guaranteeing well-connected communities

scientific article published on 26 March 2019

Funding COVID-19 research: Insights from an exploratory analysis using open data infrastructures

scientific article published in 2022

Generalizing the h- and g-indices

Globalisation of science in kilometres

article

How to normalize cooccurrence data? An analysis of some well-known similarity measures

scientific article published in August 2009

Improving the evaluation of worldwide biomedical research output: classification method and standardised bibliometric indicators by disease.

scientific article published on 4 June 2018

Innovations in peer review in scholarly publishing: a meta-summary

scientific article published on 09 March 2022

Intermediacy of publications

scientific article published on 15 January 2020

Is the Nature Index at odds with DORA?

journal article; published in Nature on 2017-05-25

Large-scale analysis of the accuracy of the journal classification systems of Web of Science and Scopus

scientific article published on 15 March 2016

Large-scale comparison of bibliographic data sources: Scopus, Web of Science, Dimensions, Crossref, and Microsoft Academic

scientific article published on 8 April 2021

Large-scale comparison of bibliographic data sources: Scopus, Web of Science, Dimensions, Crossref, and Microsoft Academic [preprint]

journal article from 'arXiv:2005.10732 [cs]' published in 2020

Leiden Manifesto

list of "ten principles to guide research evaluation"

Message from the new Editor-in-Chief

On the correlation between bibliometric indicators and peer review: reply to Opthof and Leydesdorff

scientific article published on 09 June 2011

On the proper understanding of the limiting behavior of generalizations of the h- and g-indices

article by Nees Jan van Eck & Ludo Waltman published October 2009 in Journal of Informetrics

Opening science: The rebirth of a scholarly journal

scientific article published in February 2020

PageRank-Related Methods for Analyzing Citation Networks

Responsible metrics: One size doesn’t fit all

conference paper published in 2018

Rethinking impact factors: better ways to judge a journal

scientific article published on 01 May 2019

Rivals for the crown: Reply to Opthof and Leydesdorff

Robust Evolutionary Algorithm Design for Socio-Economic Simulation: Some Comments

Science of science

scientific article

Software survey: VOSviewer, a computer program for bibliometric mapping

scientific article published on 31 December 2009

Some Limitations of the H Index: A Commentary on Ruscio and Colleagues' Analysis of Bibliometric Indices

Some comments on Egghe's derivation of the impact factor distribution

Some comments on the journal weighted impact factor proposed by Habibzadeh and Yadollahie

article

Some modifications to the SNIP journal impact indicator

Source normalized indicators of citation impact: an overview of different approaches and an empirical comparison

Sunlight not shadows: Double-anonymized peer review is not the progressive answer to status bias

scientific article published on 31 October 2022

The Closer the Better: Similarity of Publication Pairs at Different Cocitation Levels

The Journal Observatory – Connecting information on scholarly communication

scientific article published on 23 June 2023

The challenges of scientometric studies of predatory publishing

scientific article published in 2022

The detection of “hot regions” in the geography of science—A visualization approach by using density maps

scholarly article by Lutz Bornmann & Ludo Waltman published October 2011 in Journal of Informetrics

The inconsistency of the h-index

The relation between Eigenfactor, audience factor, and influence weight

Topic identification challenge

Towards a new crown indicator: Some theoretical considerations

Towards a new crown indicator: an empirical analysis

scientific article

Universality of citation distributions revisited

Use of the journal impact factor for assessing individual articles: Statistically flawed or not?

scientific article published in 2021

VOS: A New Method for Visualizing Similarities Between Objects

scientific article published in 2007

Visualizing Bibliometric Networks

scientific article published in 2014

Visualizing the Computational Intelligence Field

scholarly article by Nees Jan van Eck et al published November 2006 in IEEE Computational Intelligence Magazine

Visualizing the WCCI 2006 Knowledge Domain

scholarly article published 2006

Visualizing the computational intelligence field [Application Notes]

scholarly article by Nees Jan van Eck et al published November 2006 in IEEE Computational Intelligence Magazine