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Lutz Bornmann
Max Planck Society
Data miningBibliometricsData scienceCitationComputer science
440Publications
48H-index
9,994Citations
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#1Lutz Bornmann (MPG: Max Planck Society)H-Index: 48
#2Robin Haunschild (MPG: Max Planck Society)H-Index: 18
Last. Vanash M. Patel (Imperial College London)H-Index: 17
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We propose to use Twitter data as social-spatial sensors. This study deals with the question whether research papers on certain diseases are perceived by people in regions (worldwide) that are especially concerned by the diseases. Since (some) Twitter data contain location information, it is possible to spatially map the activity of Twitter users referring to certain papers (e.g., dealing with tuberculosis). The resulting maps reveal whether heavy activity on Twitter is correlated with large num...
Many altmetric studies analyze which papers were mentioned how often in specific altmetrics sources. In order to study the potential policy relevance of tweets from another perspective, we investigate which tweets were cited in papers. If many tweets were cited in publications, this might demonstrate that tweets have substantial and useful content. Overall, a rather low number of tweets (n=5506) were cited by less than 3000 papers. Most tweets do not seem to be cited because of any cognitive inf...
#1Loet Leydesdorff (UvA: University of Amsterdam)H-Index: 83
#1Loet Leydesdorff (UvA: University of Amsterdam)H-Index: 4
Last. Lutz Bornmann (MPG: Max Planck Society)H-Index: 48
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Both “interdisciplinarity” and “synergy” are desirable features from a policy perspective: can surplus be found in the interactions among (disciplinary) bodies of knowledge? We have recently developed measures for “interdisciplinarity” and distinguished these measurements from those of “synergy.” In this study, we analyze three review papers by Judit Bar-Ilan (2001, 2004, and 2008a) in terms of whether they rank high on interdisciplinarity and synergy values among the 130 papers of her œuvre. Re...
1 CitationsSource
#1Lutz BornmannH-Index: 48
#2Sabine GralkaH-Index: 2
Last. Klaus WohlrabeH-Index: 14
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One of the core indicators in the field of scientometrics is the number of papers published by a unit within a given period. However, such indicators can only be assessed properly by considering the unit’s available resources. When evaluating the efficiency of institutions worldwide, the problem concerning the availability of internationally standardized data arises. While on the output side consistent publication indicators are available, these data are frequently not available on the input sid...
#1Lutz Bornmann (MPG: Max Planck Society)H-Index: 48
Last. George ChackoH-Index: 3
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Wu et al. (Nature 566:378–382, 2019) introduced a new indicator measuring disruption (${DI}_{1}). Bornmann et al. (Do disruption index indicators measure what they propose to measure? The comparison of several indicator variants with assessments by peers, 2019. https://arxiv.org/abs/1911.08775) compared variants of the disruption index and pointed to {DI}_{5} as an interesting variant. The calculation of a field-specific version of {DI}_{5} (focusing on disruptiveness within the same ...
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#1Charles Crothers (AUT: Auckland University of Technology)H-Index: 5
#2Lutz Bornmann (MPG: Max Planck Society)H-Index: 48
Last. Robin Haunschild (MPG: Max Planck Society)H-Index: 18
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#2Lutz BornmannH-Index: 48
Last. Robin HaunschildH-Index: 18
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Societal impact considerations play an increasingly important role in research evaluation. Especially in the context of publicly funded research, proposal templates commonly include sections to out...
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#1Dalibor Fiala (University of West Bohemia)H-Index: 9
#2Lutz Bornmann (MPG: Max Planck Society)H-Index: 48
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#1Robin HaunschildH-Index: 18
#2Loet LeydesdorffH-Index: 4
Last. Werner MarxH-Index: 24
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