1,721,072 research outputs found
Un confronto fra le "Trachinie" di Sofocle e l' "Ippolito" di Euripide
No full textLa tesi analizza le somiglianze di struttura drammatica e organizzazione dei contenuti nelle due tragedie prese in esame. Le "Trachinie" e l' "Ippolito", due tragedie basate entrambe sul problema dell'eros e sui problemi della relazione uomo/donna, costituiscono un esempio fra i più notevoli di confronto fra come due autori così diversi e originali come Sofocle ed Euripide, abbiano affrontato lo stesso tema in chiave molto simile. Lo studio si propone di far vedere come, attraverso una simile organizzazione della vicenda drammatica, i due autori abbiano cercato e voluto affrontare lo stesso tema in chiave simile
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
Selection of optimal number and location of thyristor-controlled phase shifters using genetic based algorithms
No full textIn recent years, major structural changes were introduced to the power sector all over the
world. As a consequence, transmission expansion activities must be implemented to upgrade the
utilities’ power delivery systems. Some application of flexible AC transmission system (FACTS)
technologies to existing high-voltage power systems has proved that the use of FACTS technology
may be a cost-effective option for power delivery system enhancements. Undoubtedly, FACTS
devices can minimise costly capital investments, but selecting the appropriate number and
placement of these devices can be a challenge. To face this challenge, the paper deals with a
methodology, based on a genetic algorithm, to identify the optimal number and location of
FACTS devices in an assigned power-system network for maximising system capabilities, the social
surplus and to satisfy contractual requirements in an open power market. In order to validate the
usefulness of the approach suggested herein, a case study using the IEEE 30-busbar power system
is presented and discussed
Identification of Tagaki-Sugeno-Kang fuzzy model for power transformers' predictive overload system
No full textImprovement of the utilisation factors of mineral-oil-filled power transformers is of
critical importance in the competitive market of electricity. Utilities need to change dynamically the
loadability rating of transformers without penalising their serviceability. As a key issue of
loadability, all aspects of the thermal performance, and in particular those related to the
determination of tolerable windings hot-spot temperature (HST), overload practice and its impact
on remanent life expectation should be investigated. This paper deals with a methodology for the
identification of a Takagi–Sugeno–Kang (TSK) fuzzy model able to reproduce the thermal
behaviour of large mineral-oil-filled power transformers for implementing a protective overload
system. The TSK fuzzy model, working on the load current waveform and on the top oil
temperature (TOT), gives an accurate global prediction of the HST pattern. To validate the
usefulness of the approach suggested herein, some data cases, derived from various laboratory
applications, are presented to measure the accuracy and robustness of the proposed fuzzy model
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
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
- …
