🏆 Finalist — NIH Data Sharing Index (“S-Index”) Challenge

Nees Jan van Eck

Leiden University

ORCID: 0000-0001-8448-4521
Decision SciencesPhysics and AstronomyComputer Science

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 1%percentile
16.3Author DataRank

Indexed papers

18in pilot corpus
datarank_citation_only_1hop_v6· scope data_onlyMethodology
Why this DataRank?

An author's DataRank is the sum of the DataRanks of all 18 indexed papers attributed to them. A prolific author with many moderate-impact papers can outrank one with a single high-impact paper.

Author scores recompute whenever paper DataRanks are refreshed, so this number lags the underlying paper scores by at most one batch run.

Read the full methodology →

Top data-sharing exemplar

The highest-impact dataset this researcher has shared, ranked by DataRank — the single contribution doing the most to lift their data-sharing standing.

The Leiden ranking 2011/2012: Data collection, indicators, and interpretation

Journal of the American Society for Information Science and Technology(2012)10.1002/asi.22708
Top 1%
10.7DataRank
Top 1%454 citations

Clara Calero‐Medina, Joost Kosten, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser +5 more

Papers

Driven by 107 papers — median percentile 0. Top paper: The Leiden ranking 2011/2012: Data collection, indicators, and interpretation.

The Leiden ranking 2011/2012: Data collection, indicators, and interpretation

Journal of the American Society for Information Science and Technology(2012)10.1002/asi.22708
Top 1%
10.7DataRank
Top 1%454 citations

Clara Calero‐Medina, Joost Kosten, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser +5 more

N/A
8.5DataRank · unranked
111 citations

Thed N. van Leeuwen, Martijn S. Visser, Nees Jan van Eck, Ludo Waltman, Anthony F. J. van Raan

147 citations

Nees Jan van Eck, Ludo Waltman

138 citations

Nees Jan van Eck, Ludo Waltman, Lovro Šubelj

123 citations

Nees Jan van Eck, Giovanni Colavizza, Ludo Waltman, Kevin W. Boyack

Universality of citation distributions revisited

Journal of the American Society for Information Science and Technology(2011)10.1002/asi.21671
N/A
4.5DataRank · unranked
88 citations

Nees Jan van Eck, Anthony F. J. van Raan, Ludo Waltman

Top 7%81 citations

Rodrigo Costas, Vincent A. Traag, Nees Jan van Eck, Ludo Waltman, Thed N. van Leeuwen +1 more

57 citations

Erjia Yan, Nees Jan van Eck, Ludo Waltman

44 citations

Ludo Waltman, Nees Jan van Eck

25 citations

Nees Jan van Eck, Paul Wouters, Martijn S. Visser, Ludo Waltman

N/A
1.6DataRank · unranked
50 citations

Nees Jan van Eck, Ludo Waltman

29 citations

Ludo Waltman, Jan van den Berg, Nees Jan van Eck

19159 citations

Ludo Waltman, Nees Jan van Eck

22 citations

Nees Jan van Eck, Rommert Dekker, Uzay Kaymak, Ludo Waltman

18 citations

Rodrigo Costas, Nees Jan van Eck, Ludo Waltman

N/A
1.2DataRank · unranked
3156 citations

Ludo Waltman, Nees Jan van Eck

2532 citations

Ludo Waltman, Nees Jan van Eck

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

Journal of the Association for Information Science and Technology(2017)10.1002/asi.23981
N/A
1.2DataRank · unranked
29 citations

Kevin W. Boyack, Nees Jan van Eck, Ludo Waltman, Giovanni Colavizza

1637 citations

Nees Jan van Eck, Ed Noyons, Ludo Waltman

1323 citations

Ludo Waltman, Nees Jan van Eck, Antonio Perianes‐Rodríguez

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

Journal of the American Society for Information Science and Technology(2010)10.1002/asi.21421
N/A
1.0DataRank · unranked
862 citations

Ludo Waltman, Rommert Dekker, Jan van den Berg, Nees Jan van Eck

52 citations

Kevin W. Boyack, Giovanni Colavizza, Nees Jan van Eck, Ludo Waltman

Top 20%22 citations

Nees Jan van Eck, Ludo Waltman, Martijn S. Visser

N/A
0.991DataRank · unranked
737 citations

Ludo Waltman, Nees Jan van Eck

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

Journal of the American Society for Information Science and Technology(2009)10.1002/asi.21075
N/A
0.987DataRank · unranked
718 citations

Ludo Waltman, Nees Jan van Eck

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

Journal of the American Society for Information Science and Technology(2012)10.1002/asi.22748
N/A
0.974DataRank · unranked
660 citations

Nees Jan van Eck, Ludo Waltman

431 citations

Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan, Ludo Waltman

VOS: A New Method for Visualizing Similarities Between Objects

Studies in Classification, Data Analysis, and Knowledge Organization(2007)10.1007/978-3-540-70981-7_34
N/A
0.871DataRank · unranked
331 citations

Ludo Waltman, Nees Jan van Eck

The inconsistency of the h‐index

Journal of the American Society for Information Science and Technology(2011)10.1002/asi.21678
N/A
0.870DataRank · unranked
330 citations

Nees Jan van Eck, Ludo Waltman

273 citations

Nees Jan van Eck, Ludo Waltman

BIBLIOMETRIC MAPPING OF THE COMPUTATIONAL INTELLIGENCE FIELD

International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems(2007)10.1142/s0218488507004911
N/A
0.840DataRank · unranked
269 citations

Ludo Waltman, N.J.P. van Eck, Nees Jan van Eck

249 citations

Ludo Waltman, Anthony F. J. van Raan, Robert J. M. Klautz, Wilco C. Peul, Robert J.M. Klautz +1 more

7 citations

Nees Jan van Eck, Ludo Waltman

N/A
0.801DataRank · unranked
8 citations

Ismael Ràfols, Nees Jan van Eck, Alfredo Yegros, Yegros, Alfredo Yegros, Ludo Waltman

206 citations

Ludo Waltman, Reindert K. Buter, Ed Noyons, Nees Jan van Eck

154 citations

Nees Jan van Eck, Ludo Waltman

Top 27%15 citations

Nees Jan van Eck, Ludo Waltman, Alexis-Michel Mugabushaka

N/A
0.641DataRank · unranked
71 citations

Nees Jan van Eck, Robert Tijssen, Ludo Waltman

N/A
0.542DataRank · unranked
36 citations

Ludo Waltman, Jan van den Berg, Uzay Kaymak, Nees Jan van Eck

30 citations

Kevin W. Boyack, Vincent Larivière, Cassidy R. Sugimoto, Nees Jan van Eck, Ludo Waltman +2 more

The relation between Eigenfactor, audience factor, and influence weight

Journal of the American Society for Information Science and Technology(2010)10.1002/asi.21354
N/A
0.515DataRank · unranked
30 citations

Nees Jan van Eck, Ludo Waltman

16 citations

Nees Jan van Eck, Ludo Waltman

Visualizing the WCCI 2006 Knowledge Domain

2006 IEEE International Conference on Fuzzy Systems(2006)10.1109/fuzzy.2006.1681931
N/A
0.503DataRank · unranked
10 citations

Nees Jan van Eck, Ludo Waltman, Jan van den Berg, Uzay Kaymak

2 citations

Nees Jan van Eck, Ludo Waltman, Erin Leahey, Will Felps

Top 42%3 citations

Nees Jan van Eck, Ludo Waltman, Alexis-Michel Mugabushaka

N/A
0.449DataRank · unranked
19 citations

Ludo Waltman, Jan Den Berg, Uzay Kaymak, Nees Jan van Eck

N/A
0.434DataRank · unranked
5 citations

Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan, Ludo Waltman

17 citations

Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan, Ludo Waltman

17 citations

Ludo Waltman, Nees Jan van Eck

16 citations

Suzan Verberne, Nees Jan van Eck, Ludo Waltman, Juan Pablo Bascur

Some comments on the question whether co‐occurrence data should be normalized

Journal of the American Society for Information Science and Technology(2007)10.1002/asi.20647
N/A
0.406DataRank · unranked
14 citations

Nees Jan van Eck, Ludo Waltman

N/A
0.396DataRank · unranked
13 citations

Ludo Waltman, Nees Jan van Eck

9 citations

Suzan Verberne, Nees Jan van Eck, Ludo Waltman, Juan Pablo Bascur

5 citations

Nees Jan van Eck, Ludo Waltman, Johannes Meuer, Will Felps

10 citations

Ludo Waltman, Nees Jan van Eck, Robert Tijssen

3 citations

Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan, Ludo Waltman

4 citations

Nees Jan van Eck, Mark Neijssel, Lucy Montgomery, Cameron Neylon, Bianca Kramer +4 more

4 citations

Ludo Waltman, Nees Jan van Eck

Crossref metadata statistics

Zenodo (CERN European Organization for Nuclear Research)(2022)10.5281/zenodo.6803963
Top 62%
0.228DataRank
Top 62%2 citations

Ludo Waltman, Nees Jan van Eck

CWTSLeiden/networkanalysis: 1.0.0

Zenodo (CERN European Organization for Nuclear Research)(2018)10.5281/zenodo.1466831
N/A
0.208DataRank · unranked
3 citations

Ludo Waltman, Nees Jan van Eck, Vincent A. Traag

N/A
0.208DataRank · unranked
3 citations

Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Ludo Waltman

N/A
0.191DataRank · unranked
2 citations

Nees Jan van Eck, Ludo Waltman

2 citations

Suzan Verberne, Nees Jan van Eck, Ludo Waltman, Juan Pablo Bascur

2 citations

Nees Jan van Eck, Ludo Waltman

1 citations

Ludo Waltman, Martijn S. Visser, Nees Jan van Eck

N/A
0.157DataRank · unranked
1 citations

Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan, Ludo Waltman

N/A
0.144DataRank · unranked
1 citations

Thed N. van Leeuwen, Martijn S. Visser, Nees Jan van Eck, Ludo Waltman, Anthony F. J. van Raan

1 citations

Ludo Waltman, Nees Jan van Eck, Antonio Perianes‐Rodríguez

Top 78%1 citations

Nees Jan van Eck, Ludo Waltman, Alexis-Michel Mugabushaka

1 citations

Nees Jan van Eck, Ludo Waltman

1 citations

Nees Jan van Eck, Ludo Waltman, Alexis-Michel Mugabushaka

N/A
0.104DataRank · unranked
1 citations

Ludo Waltman, Nees Jan van Eck, Alexis-Michel Mugabushaka

1 citations

Nees Jan van Eck, Ludo Waltman

1 citations

Ludo Waltman, Rommert Dekker, Jan van den Berg, Nees Jan van Eck

1 citations

Nees Jan van Eck, Ludo Waltman

Top 100%0 citations

Nees Jan van Eck, Ludo Waltman, Martijn S. Visser

0 citations

Ludo Waltman, Nees Jan van Eck

0 citations

Zeynep Anli, Mark Neijssel, Andrea Reyes Elizondo, Nees Jan van Eck, Clara Calero‐Medina +2 more

0 citations

Nees Jan van Eck, Ludo Waltman

0 citations

Vincent Larivière, Cassidy R. Sugimoto, Nees Jan van Eck, Ludo Waltman, Dakota Murray +2 more

N/A
0DataRank · unranked
0 citations

Ludo Waltman, Saskia de Vries, Nees Jan van Eck, Thed N. van Leeuwen, Leo Waaijers

Top 100%0 citations

Rodrigo Costas, Mark Neijssel, Ed Noyons, Ludo Waltman, Martijn S. Visser +1 more

0 citations

Nees Jan van Eck, Giovanni Colavizza, Ludo Waltman, Kevin W. Boyack

Top 100%0 citations

Rodrigo Costas, Mark Neijssel, Ed Noyons, Ludo Waltman, Martijn S. Visser +1 more

0 citations

Nees Jan van Eck, Ludo Waltman, Tony Ross-Hellauer, Serge P. J. M. Horbach, Bram van den Boomen

N/A
0DataRank · unranked
0 citations

Ludo Waltman, Vincent A. Traag, Nees Jan van Eck, Lovro Šubelj

Top 100%0 citations

Nees Jan van Eck, Ludo Waltman, Alexis-Michel Mugabushaka

0 citations

Ludo Waltman, Vincent A. Traag, Nees Jan van Eck, Lovro Šubelj

0 citations

Nees Jan van Eck, Ludo Waltman

Crossref metadata statistics

Zenodo (CERN European Organization for Nuclear Research)(2023)10.5281/zenodo.8297545
Top 100%
0DataRank
Top 100%0 citations

Ludo Waltman, Nees Jan van Eck

N/A
0DataRank · unranked
0 citations

Nees Jan van Eck, Paul Wouters, Ludo Waltman

0 citations

Nees Jan van Eck, Ludo Waltman

0 citations

Ludo Waltman, Nees Jan van Eck

Top 100%0 citations

Nees Jan van Eck, Ludo Waltman, Alexis-Michel Mugabushaka

0 citations

Ludo Waltman, Nees Jan van Eck

0 citations

Ludo Waltman, Nees Jan van Eck, Alexis-Michel Mugabushaka

Crossref metadata statistics

OPAL (Open@LaTrobe) (La Trobe University)(2021)10.5281/zenodo.4719469
Top 100%
0DataRank
Top 100%0 citations

Ludo Waltman, Nees Jan van Eck

0 citations

Ludo Waltman, Nees Jan van Eck

0 citations

Ludo Waltman, Zeynep Anli, Dan Gibson, Mark Neijssel, Andrea Reyes Elizondo +5 more

N/A
0DataRank · unranked
0 citations

Nees Jan van Eck, Anthony F. J. van Raan, Ludo Waltman

0 citations

Ludo Waltman, Nees Jan van Eck

0 citations

Kevin W. Boyack, Nees Jan van Eck, Ludo Waltman, Giovanni Colavizza

The Journal Observatory – Connecting information on scholarly communication

27th International Conference on Science, Technology and Innovation Indicators (STI 2023)(2023)10.55835/644302d78264b1bf681c4ebc
N/A
0DataRank · unranked
0 citations

Nees Jan van Eck, Ludo Waltman, Tony Ross-Hellauer, Serge P. J. M. Horbach, Bram van den Boomen

Crossref metadata statistics

OPAL (Open@LaTrobe) (La Trobe University)(2021)10.5281/zenodo.4540587
Top 100%
0DataRank
Top 100%0 citations

Ludo Waltman, Nees Jan van Eck

Top 100%0 citations

Nees Jan van Eck, Ludo Waltman, Martijn S. Visser

0 citations

Erjia Yan, Nees Jan van Eck, Ludo Waltman

Crossref metadata statistics

Zenodo (CERN European Organization for Nuclear Research)(2025)10.5281/zenodo.4540586
Top 100%
0DataRank
Top 100%0 citations

Ludo Waltman, Nees Jan van Eck