b'Lutz Bornmann'

research

∙ 08/04/2023

What do we know about the disruption indicator in scientometrics? An overview of the literature

The purpose of this paper is to provide a review of the literature on th...

0 Christian Leibel, et al. ∙

research

∙ 03/31/2023

How to measure research performance of single scientists? A proposal for an index based on scientific prizes: The Prize Winner Index (PWI)

In this study, we propose a new index for measuring excellence in scienc...

0 Lutz Bornmann, et al. ∙

research

∙ 06/24/2022

Identification of young talented individuals in the natural and life sciences using bibliometric data

Identification of young talented individuals is not an easy task. Citati...

0 Lutz Bornmann, et al. ∙

research

∙ 05/06/2022

Revolutions in science: The proposal of an approach for the identification of most important researchers, institutions, and countries based on Reference Publication Year Spectr

RPYS is a bibliometric method originally introduced in order to reveal t...

0 Lutz Bornmann, et al. ∙

research

∙ 01/12/2022

Empirical analysis of recent temporal dynamics of research fields: Annual publications in chemistry and related areas as an example

Changes in the number of publications in a certain field might reflect t...

0 Lutz Bornmann, et al. ∙

research

∙ 12/08/2021

Scores of a specific field-normalized indicator calculated with different approaches of field-categorization: Are the scores different or similar?

Usage of field-normalized citation scores is a bibliometric standard. Di...

0 Robin Haunschild, et al. ∙

research

∙ 09/02/2021

Reference Publication Year Spectroscopy (RPYS) in practice: A software tutorial

In course of the organization of Workshop III entitled "Cited References...

0 Robin Haunschild, et al. ∙

research

∙ 08/25/2021

Report on Workshop III "Cited References Analysis Using CRExplorer" at the 18th International Conference of the International Society for Scientometrics and Informetrics (ISSI2

We have organized Workshop III entitled "Cited References Analysis Using...

0 Robin Haunschild, et al. ∙

research

∙ 06/25/2021

Heat Waves – a hot topic in climate change research

Research on heat waves (periods of excessively hot weather, which may be...

0 Werner Marx, et al. ∙

research

∙ 05/18/2021

Quantum technology 2.0 – topics and contributing countries from 1980 to 2018

The second quantum technological revolution started around 1980 with the...

0 Thomas Scheidsteger, et al. ∙

research

∙ 03/18/2021

Mapping the impact of papers on various status groups: A new excellence mapping tool based on citation and reader scores

In over five years, Bornmann, Stefaner, de Moya Anegon, and Mutz (2014) ...

0 Lutz Bornmann, et al. ∙

research

∙ 01/27/2021

Investigating Diffusion of Scientific Knowledge on Twitter: A Study of Topic Networks of Opioid Publications

One way to assess the value of scientific research is to measure the att...

0 Robin Haunschild, et al. ∙

research

∙ 12/14/2020

Growth rates of modern science: A latent piecewise growth curve approach to model publication numbers from established and new literature databases

Growth of science is a prevalent issue in science of science studies. In...

0 Lutz Bornmann, et al. ∙

research

∙ 08/29/2020

A Decade of In-text Citation Analysis based on Natural Language Processing and Machine Learning Techniques: An overview of empirical studies

Citation analysis is one of the most frequently used methods in research...

0 Sehrish Iqbal, et al. ∙

research

∙ 06/18/2020

Convergent validity of several indicators measuring disruptiveness with milestone assignments to physics papers by experts

This study focuses on a recently introduced type of indicator measuring ...

0 Lutz Bornmann, et al. ∙

research

∙ 04/29/2020

Are papers addressing certain diseases perceived where these diseases are prevalent? The proposal to use Twitter data as social-spatial sensors

We propose to use Twitter data as social-spatial sensors. This study dea...

0 Lutz Bornmann, et al. ∙

research

∙ 03/25/2020

Which papers cited which tweets? An empirical analysis based on Scopus data

Many altmetric studies analyze which papers were mentioned how often in ...

0 Robin Haunschild, et al. ∙

research

∙ 01/13/2020

An Evaluation of Percentile Measures of Citation Impact, and a Proposal for Making Them Better

Percentiles are statistics pointing to the standing of a paper's citatio...

0 Lutz Bornmann, et al. ∙

research

∙ 11/20/2019

Do disruption index indicators measure what they propose to measure? The comparison of several indicator variants with assessments by peers

Recently, Wu, Wang, and Evans (2019) and Bu, Waltman, and Huang (2019) p...

0 Lutz Bornmann, et al. ∙

research

∙ 10/24/2019

Should citations be field-normalized in evaluative bibliometrics? An empirical analysis based on propensity score matching

Field-normalization of citations is bibliometric standard. Despite the o...

0 Lutz Bornmann, et al. ∙

research

∙ 10/08/2019

Do we measure novelty when we analyze unusual combinations of cited references? A validation study of bibliometric novelty indicators based on F1000Prime data

Lee, Walsh, and Wang (2015) - based on Uzzi, Mukherjee, Stringer, and Jo...

0 Lutz Bornmann, et al. ∙

research

∙ 09/09/2019

Is culture a contributing factor of strong science?

Many factors such as economy size, capital resources, and size of nation...

0 Mahmood Khosrowjerdi, et al. ∙

research

∙ 06/10/2019

What Do Citation Counts Measure? An Updated Review of Studies on Citations in Scientific Documents Published between 2006 and 2018

The purpose of this paper is to update the review of Bornmann and Daniel...

0 Iman Tahamtan, et al. ∙

research

∙ 05/27/2019

Does the h_α index reinforce the Matthew effect in science? Agent-based simulations using Stata and R

Recently, Hirsch (2019a) proposed a new variant of the h index called th...

0 Lutz Bornmann, et al. ∙

research

∙ 05/23/2019

Citation concept analysis (CCA) - A new form of citation analysis revealing the usefulness of concepts for other researchers illustrated by two exemplary case studies including

In recent years, the full text of papers are increasingly available elec...

0 Lutz Bornmann, et al. ∙

research

∙ 05/22/2019

R package for producing beamplots as a preferred alternative to the h index when assessing single researchers (based on downloads from Web of Science)

We propose the use of beamplots - which can be produced by using the R p...

0 Robin Haunschild, et al. ∙

research

∙ 04/29/2019

Author name disambiguation of bibliometric data: A comparison of several unsupervised approaches

Adequately disambiguating author names in bibliometric databases is a pr...

0 Alexander Tekles, et al. ∙

research

∙ 01/25/2019

Which are the influential publications in the Web of Science subject categories over a long period of time? CRExplorer software used for big-data analyses in bibliometrics

What are the landmark papers in scientific disciplines? On whose shoulde...

0 Andreas Thor, et al. ∙

research

∙ 01/04/2019

How well does I3 perform for impact measurement compared to other bibliometric indicators? The convergent validity of several (field-normalized) indicators

Recently, the integrated impact indicator (I3) indicator was introduced ...

0 Lutz Bornmann, et al. ∙

research

∙ 01/04/2019

The convergent validity of several (field-normalized) bibliometric indicators: How well does I3 perform for impact measurement?

Recently, the integrated impact indicator (I3) indicator was introduced ...

0 Lutz Bornmann, et al. ∙

research

∙ 12/09/2018

The Integrated Impact Indicator (I3) Revisited: A Non-Parametric Alternative to the Journal Impact Factor

We propose the I3* indicator as a non-parametric alternative to the Jour...

0 Loet Leydesdorff, et al. ∙

research

∙ 12/09/2018

I3: A Non-Parametric Alternative to the Journal Impact Factor

We applied the integrated impact indicator (I3) to more than 10,000 jour...

0 Loet Leydesdorff, et al. ∙

research

∙ 10/30/2018

Bibliometrics-based heuristics: What is their definition and how can they be studied?

Paradoxically, bibliometric indicators (i.e., publications and citation ...

0 Lutz Bornmann, et al. ∙

research

∙ 10/17/2018

Does the public discuss other topics on climate change than researchers? A comparison of explorative networks based on author keywords and hashtags

Twitter accounts have already been used in many scientometric studies, b...

0 Robin Haunschild, et al. ∙

research

∙ 10/17/2018

Does the public discuss other topics on climate change than researchers? A comparison of networks based on author keywords and hashtags

Twitter accounts have already been used in many scientometrics studies, ...

0 Robin Haunschild, et al. ∙

research

∙ 10/16/2018

hα: The Scientist as Chimpanzee or Bonobo

In a recent paper, Hirsch (2018) proposes to attribute the credit for a ...

0 Loet Leydesdorff, et al. ∙

research

∙ 10/16/2018

hα: The Scientist as Chimpanzee or Bonobohα: The Scientist as Chimpanzee or Bonobo

In a recent paper, Hirsch (2018) proposes to attribute the credit for a ...

0 Loet Leydesdorff, et al. ∙

research

∙ 07/13/2018

Heuristics as conceptual lens for understanding and studying the usage of bibliometrics in research evaluation

While bibliometrics is widely used for research evaluation purposes, a c...

0 Lutz Bornmann, et al. ∙

research

∙ 07/12/2018

How to identify the roots of broad research topics and fields? The introduction of RPYS sampling using the example of climate change research

Since the introduction of the reference publication year spectroscopy (R...

0 Robin Haunschild, et al. ∙

research

∙ 07/11/2018

Interdisciplinarity as Diversity in Citation Patterns among Journals: Rao-Stirling Diversity, Relative Variety, and the Gini coefficient

Questions of definition and measurement continue to constrain a consensu...

0 Loet Leydesdorff, et al. ∙

research

∙ 07/11/2018

Do altmetrics assess societal impact in a comparable way to case studies? An empirical test of the convergent validity of altmetrics based on data from the UK Research Excellen

Altmetrics have been proposed as a way to assess the societal impact of ...

0 Lutz Bornmann, et al. ∙

research

∙ 07/11/2018

Do altmetrics assess societal impact in the same way as case studies? An empirical analysis testing the convergent validity of altmetrics based on data from the UK Research Exc

Altmetrics have been proposed as a way to assess the societal impact of ...

0 Lutz Bornmann, et al. ∙

research

∙ 06/01/2018

Creativity in Science and the Link to Cited References: Is the Creative Potential of Papers Reflected in their Cited References?

Several authors have proposed that a large number of unusual combination...

0 Iman Tahamtan, et al. ∙

research

∙ 05/26/2018

The value and credits of n-authors publications

Collaboration among researchers is becoming increasingly common, which r...

0 Lutz Bornmann, et al. ∙

research

∙ 05/16/2018

Critical rationalism and the search for standard (field-normalized) indicators in bibliometrics

Bibliometrics plays an increasingly important role in research evaluatio...

0 Lutz Bornmann, et al. ∙

research

∙ 04/27/2018

Opium in science and society: Numbers

In science and beyond, numbers are omnipresent when it comes to justifyi...

0 Julian N. Marewski, et al. ∙

research

∙ 03/01/2018

Discontinuities in Citation Relations among Journals: Self-organized Criticality as a Model of Scientific Revolutions and Change

Using three-year moving averages of the complete Journal Citation Report...

0 Loet Leydesdorff, et al. ∙

research

∙ 02/27/2018

The concordance of field-normalized scores based on Web of Science and Microsoft Academic data: A case study in computer sciences

In order to assess Microsoft Academic as a useful data source for evalua...

0 Thomas Scheidsteger, et al. ∙

research

∙ 02/26/2018

Which differences can be expected when two universities in the Leiden Ranking are compared? Some benchmarks for institutional research evaluations

The comparison of two universities in terms of bibliometric indicators f...

0 Lutz Bornmann, et al. ∙

research

∙ 02/03/2018

The negative effects of citing with a national orientation in terms of recognition: national and international citations in natural-sciences papers from Germany, the Netherland

Nations can be distinguished in terms of whether domestic or internation...

0 Lutz Bornmann, et al. ∙

Lutz Bornmann

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