10.9k citations
- Max Planck SocietyDE155 papers
- Heidelberg UniversityDE52 papers
- Centre National de la Recherche ScientifiqueFR46 papers
- Jagiellonian UniversityPL44 papers
- Charles UniversityCZ40 papers
- Polish Academy of SciencesPL40 papers
- Humboldt-Universität zu BerlinDE39 papers
- European Organization for Nuclear ResearchCH38 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR37 papers
- University of BirminghamGB37 papers
- University of OxfordGB36 papers
- Rutherford Appleton LaboratoryGB35 papers
10 papers · 1 filter
The Journal Impact Factor Should Not Be Discarded
Lutz Bornmann, Alexander I. Pudovkin
The Journal Impact Factor (JIF) has been heavily criticized over decades. This opinion piece argues that the JIF should not be demonized. It still can be employed for research eval…
How many scientific papers are mentioned in policy-related documents? An empirical investigation using Web of Science and Altmetric data
Robin Haunschild, Lutz Bornmann
In this short communication, we provide an overview of a relatively newly provided source of altmetrics data which could possibly be used for societal impact measurements in scient…
Skewness of citation impact data and covariates of citation distributions: A large-scale empirical analysis based on Web of Science data
Lutz Bornmann, Loet Leydesdorff
Using percentile shares, one can visualize and analyze the skewness in bibliometric data across disciplines and over time. The resulting figures can be intuitively interpreted and…
"Smart Girls" versus "Sleeping Beauties" in the Sciences: The Identification of Instant and Delayed Recognition by Using the Citation Angle
Fred Y. Ye, Lutz Bornmann
In recent years, a number of studies have introduced methods for identifying papers with delayed recognition (so called "sleeping beauties", SBs) or have presented single publicati…
Expected values in percentile indicators
Lutz Bornmann, Robin Haunschild
PP(top x%) is the proportion of papers of a unit (e.g. an institution or a group of researchers), which belongs to the x% most frequently cited papers in the corresponding fields a…
Extrapolation and learning equations
Georg Martius, Christoph H. Lampert
In classical machine learning, regression is treated as a black box process of identifying a suitable function from a hypothesis set without attempting to gain insight into the mec…