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The paper analyses the scientific research production of more than a thousand faculty members of Louis Pasteur University, large and well ranked in Europe. We take account of individual and collective determinants to explain individual productivity in terms of intensity and quality. We find that individual variables related to the position occupied are significant. The size of the lab plays neg...

News items play an increasingly important role in the current business decision processes. Due to the large amount of news published every day it is difficult to find the new items of one’s interest. One solution to this problem is based on employing recommender systems. Traditionally, these recommenders use term extraction methods like TF-IDF combined with the cosine similarity measure. In thi...

We have studied the evolution of superconducting and normal state properties of neutron irradiated Mg(B.962C.038)2 wire segments as a function of post exposure annealing time and temperature. The initial fluence fully suppressed superconductivity and resulted in an anisotropic expansion of the unit cell. Superconductivity was restored by post-exposure annealing. The upper critical field, Hc2(T=...

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This article focuses on the empirical effects of cognitive differentiation and persuasive skills on transformational, transaction, and laissez-faire leadership. Subjects (N = 294) completed measures of independent and dependent variables. Findings confirmed prior findings, however findings some reflected differences. Cognitive differentiation was positively related to transformation leadership ...

This study investigated the association of appliance type and tooth extraction with the incidence of external apical root resorption (EARR) of posterior teeth following orthodontic treatment. Pre- and posttreatment orthopantomograms were compared for 97 patients and a 4-grade ordinal scale used to measure EARR. The incidence of EARR was positively associated with tooth position (P < .001), appl...