1,721,128 research outputs found
Regularity of solutions to nonlinear thin and boundary obstacle problems
Full text linkVariational inequalities with thin obstacles and Signorini-type boundary conditions are classical problems in the calculus of variations, arising in numerous applications. In the linear case many refined results are known, while in the nonlinear setting our understanding is still at a preliminary stage. In this paper we prove C1 regularity for the solutions to a general class of quasi-linear variational inequalities with thin obstacles and C1,α regularity for variational inequalities under Signorini-type conditions on the boundary of a domain
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Stalking: Recognition and Criminalization of the Phenomenon in Italy
No full textIl contributo riporta un quadro della evoluzione delle conoscenze sul tema dello stalking in Italia per inquadrare il contesto nel quale si colloca l'intervento del legislatore che ha introdotto nel 2009 il reato di atti persecutori
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe 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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Analytical and graphical methods to synthesize three poses rigid body guidance
No full textThe kinematic synthesis of planar mechanisms for a rigid body guidance through three-poses is a common task in the industrial environment, because it is quite usual to assign the starting and final poses of the coupler link, along with one additional intermediate pose between them, in order to avoid strange movements before to reach the final pose. Moreover, the type synthesis can require different mechanisms, as four-bar linkages (4R), slidercrank/rocker mechanisms (3RP), double-sliders (2R2P), guiding mechanisms (RPRP), where R and P state for Revolute and Prismatic joints, respectively. This paper deals with the application of graphical methods by means of SolidWorks, along with the formulation of a specific algorithm, for the kinematic synthesis of three-poses rigidbody guidance mechanisms, which is mainly based on the Suh &Radcliffe method. However, a suitable use of the analytical geometry has allowed the formulation of a more general algorithm for including also the synthesis of linkages provided of prismatic joints. In particular, the proposed algorithm allows the synthesis of three-poses rigid-body guidance mechanisms of type 2R2P, as the generalized Cardan mechanism with non-orthogonal guides, along with its kinematic inversion, as the corresponding generalized Oldham coupling. Mechanisms of type RPRP, as the generalized Rapson slide and/or the Davis steering mechanism, are also considered to test the formulation. Several graphical and numerical examples are shown in this paper by validating the proposed algorithm through a careful comparison between the graphical and numerical results. © 2017 Centro Servizi d'Ateneo S.r.l. All rights reserved
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