Tobias Opthof

According to our database, Tobias Opthof authored at least 17 papers between 2007 and 2019.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2019

h_α: the scientist as chimpanzee or bonobo.

Loet Leydesdorff, Lutz Bornmann, Tobias Opthof

Scientometrics, 2019

2018

hα: The Scientist as Chimpanzee or Bonobo.

Loet Leydesdorff, Lutz Bornmann, Tobias Opthof

CoRR, 2018

Revisiting Relative Indicators and Provisional Truths.

Loet Leydesdorff, Tobias Opthof

CoRR, 2018

2013

Citation analysis with medical subject Headings (MeSH) using the Web of Knowledge: A new routine.

Loet Leydesdorff, Tobias Opthof

J. Assoc. Inf. Sci. Technol., 2013

2012

A rejoinder on energy versus impact indicators.

Loet Leydesdorff, Tobias Opthof

Scientometrics, 2012

2011

A comment to the paper by Waltman et al., Scientometrics, 87, 467-481, 2011.

Tobias Opthof, Loet Leydesdorff

Scientometrics, 2011

Differences in citation frequency of clinical and basic science papers in cardiovascular research.

Tobias Opthof

Medical Biol. Eng. Comput., 2011

Remaining problems with the "New Crown Indicator" (MNCS) of the CWTS.

Loet Leydesdorff, Tobias Opthof

J. Informetrics, 2011

Scopus' SNIP indicator: Reply to Moed.

Loet Leydesdorff, Tobias Opthof

J. Assoc. Inf. Sci. Technol., 2011

Turning the tables on citation analysis one more time: Principles for comparing sets of documents.

Loet Leydesdorff, Lutz Bornmann, Rüdiger Mutz, Tobias Opthof

J. Assoc. Inf. Sci. Technol., 2011

Citation analysis cannot legitimate the strategic selection of excellence

Tobias Opthof, Loet Leydesdorff

CoRR, 2011

Normalizing the measurement of citation performance: Principles for comparing sets of documents

Loet Leydesdorff, Lutz Bornmann, Rüdiger Mutz, Tobias Opthof

CoRR, 2011

2010

Caveats for the journal and field normalizations in the CWTS ("Leiden") evaluations of research performance.

Tobias Opthof, Loet Leydesdorff

J. Informetrics, 2010

Normalization at the field level: Fractional counting of citations.

Loet Leydesdorff, Tobias Opthof

J. Informetrics, 2010

Scopus's source normalized impact per paper (SNIP) versus a journal impact factor based on fractional counting of citations.

Loet Leydesdorff, Tobias Opthof

J. Assoc. Inf. Sci. Technol., 2010

Scopus' SNIP Indicator

Loet Leydesdorff, Tobias Opthof

CoRR, 2010

2007

Embryological development of pacemaker hierarchy and membrane currents related to the function of the adult sinus node: implications for autonomic modulation of biopacemakers.

Tobias Opthof

Medical Biol. Eng. Comput., 2007