186,845 research outputs found
The challenges of model based policy advice
No full textIn policy consultation, communicating model results to administration and policy makers has always proven to be a challenge for scientists. Many of the relevant preconditions for effective and successful policy advice are aggravated when results are based on the simultaneous use of a multitude of different models. This paper identifies key issues – e.g., relations to administration; correct identification of prevailing objectives of all agents involved; ability to run scenarios ‘in time’ - and discusses strategies for successful communication based on the experiences of the vTI model network. Specific attention is paid to the issue of communicating ‘conflicting’ results of different models: while often seen as a source for scientific insight, such ‘inconsistencies’ have proven to be a major obstacle for acceptance in a non-academic institutional setting. The experiences, as well as the literature, point specifically to the importance of tight linkages between modellers and policy makers, and the need to abandon decisionist or technocratic approaches of policy advice in favour of pragmatic approaches stressing the bilateral nature of communication.model network, policy advice, Agricultural and Food Policy, Teaching/Communication/Extension/Profession,
Ulrich Offermann, Christus-Wahrheit des Denkens. Eine Untersuchung zur Schrift « De docta ignorantia » des Nikolaus von Kues (Munster : Aschendorff, 1991)
No full textUlrich Offermann, Christus-Wahrheit des Denkens. Eine Untersuchung zur Schrift « De docta ignorantia » des Nikolaus von Kues (Munster : Aschendorff, 1991). In: Revue d'histoire des sciences, tome 45, n°1, 1992. p. 155
Ulrich Offermann, Christus-Wahrheit des Denkens. Eine Untersuchung zur Schrift « De docta ignorantia » des Nikolaus von Kues (Munster : Aschendorff, 1991)
No full textUlrich Offermann, Christus-Wahrheit des Denkens. Eine Untersuchung zur Schrift « De docta ignorantia » des Nikolaus von Kues (Munster : Aschendorff, 1991). In: Revue d'histoire des sciences, tome 45, n°1, 1992. p. 155
Sicherheit, Entgrenzung und die Suspendierung des Privaten
No full textVasilache A. Sicherheit, Entgrenzung und die Suspendierung des Privaten. In: Daase C, Offermann P, Rauer V, eds. Sicherheitskultur. Soziale und politische Praktiken der Gefahrenabwehr. Frankfurt am Main/New York: Campus; 2012: 133-135
Key issues of linking models for policy impact assessment in agriculture
No full textAgricultural and Food Policy, Research Methods/ Statistical Methods,
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Persönlichkeit oder Gruppe. Wo liegen die Wurzeln extremistischer Radikalisierung?
No full textSrowig F, Zick A. Persönlichkeit oder Gruppe. Wo liegen die Wurzeln extremistischer Radikalisierung? In: von Drachenfels M, Offermann P, Wunderlich C, eds. Radikalisierung und De-Radikalisierung in Deutschland. Eine gesamtgesellschaftliche Herausforderung. 1. Auflage. Berlin: epubli; 2018: 51-60
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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