Search Results for author: Ludo Waltman

Found 5 papers, 5 papers with code

Intermediacy of publications

1 code implementation19 Dec 2018 Lovro Šubelj, Ludo Waltman, Vincent Traag, Nees Jan van Eck

Compared to main path analysis, we conclude that intermediacy offers a more principled approach for tracing the historical development of scientific knowledge.

Digital Libraries Social and Information Networks

From Louvain to Leiden: guaranteeing well-connected communities

4 code implementations19 Oct 2018 Vincent Traag, Ludo Waltman, Nees Jan van Eck

We prove that the Leiden algorithm yields communities that are guaranteed to be connected.

Social and Information Networks Physics and Society

Systematic analysis of agreement between metrics and peer review in the UK REF

1 code implementation10 Aug 2018 Vincent Traag, Ludo Waltman

We provide clarity in this discussion by considering four important points: (1) the level of aggregation of the analysis; (2) the use of either a size-dependent or a size-independent perspective; (3) the suitability of different measures of agreement; and (4) the uncertainty in peer review.

Digital Libraries

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

1 code implementation12 Mar 2010 Nees Jan van Eck, Ludo Waltman, Rommert Dekker, Jan van den Berg

Maps constructed using VOS turn out not to have this problem.

Digital Libraries Physics and Society

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