1,720,966 research outputs found
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
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
The impact of Sight Cues, CSR, CRM, trust on customer loyalty by mediating role of corporate image in context of Pakistan
No full textThis study\u27s primary goal is to investigate the connection between visual cues and corporate social responsibility (CSR) programs, customer relationship (CRM) practices, & trust impact customer loyalty in Islamic banks by improving the overall corporate image (CI) of these financial institutions. Additionally, this research investigates the possible mediating function of Corporate Image (CI). To gather data, we employed a sampling method involving the distribution of questionnaires to customers, including both those who are Muslim and those who are not. A total of 507 questionnaires completed by customers located in Karachi, Pakistan. To test our theories, we use partial least squares, a variance-based structural equation modeling technique. The investigation\u27s conclusions show that corporate social responsibility (CSR) and visual signals have a significant impact on business image. However, trust and CRM have little effect on CI. On the other hand, CRM, Trust and corporate image significantly influence customer loyalty, whereas sight cues and corporate social responsibility (CSR) have no significant impact on customer loyalty. The results also show that the relationship between CSR and customer loyalty as well as the relationship between sight cues and customer loyalty are mediated by corporate image (CI). However, Corporate Image does not serve as a mediator in the relationship between CRM and Customer Loyalty, nor does it mediate the relationship between Trust and Customer Loyalty. This study stands out due to its distinctive nature, as it uncovers the key factors that drive customer loyalty
Identification, relevance, and limitations of threshold concepts in electrical and electronic engineering
No full textThis paper discusses the identification, relevance, and limitations of threshold concepts in electrical and electronic engineering (EEE). Initially, a brief introduction to threshold concepts is provided for readers unfamiliar with the topic. After that, key threshold concepts in EEE are identified, and conclusions are drawn about their usefulness in teaching. Finally, the limitations of threshold concepts are discussed. The paper focuses on the first two years of the EEE degree, as the first two years are the core years where all students study compulsory modules. In the last two years, the threshold concepts can depend upon the chosen area of specialisation. It is concluded that despite all the limitations, identifying the threshold concepts can be a valuable exercise for the teachers who design the modules
Distributed voltage control and demand response
No full textFuture power systems will have low inertia which will lead to larger deviations and rates of change of grid frequency. Large loss of infeed (e.g. due to a fault in the DC grid) higher than the spinning reserve can be more frequent. Also, voltage constraints will result in curtailment of renewable energy in the distribution systems.
This thesis investigates the characteristics and effectiveness of the use of power electronic compensators in the control of both grid voltage and frequency through aggregated demand response in an autonomous fashion without any need for communication. Not relying on communication is essential to have a plug-and-play functionality for these compensators, so no central controller is critical for the system operation. Concept of Electric Spring (ES) has been proposed recently, which is a series compensator used to decouple the non-critical load from the mains to form a Smart Load (SL). The voltage and hence the active and/or reactive power of the SL can be controlled to regulate the mains frequency and/or voltage. The classification of SLs is provided and the characteristics and capabilities of each type are demonstrated through modelling, control design and simulations.
The effectiveness of SLs working in unison for voltage control is demonstrated through case studies on realistic power system models. The limitations of smart load with reactive compensation only are highlighted. To overcome these limitations, an additional shunt converter in back-to-back configuration is proposed, which increases the flexibility of the smart load without requiring any energy storage. The contribution of different types of SLs in primary frequency control is also investigated. Sensitivity analysis are included to show the effectiveness and limitations of SLs for varying load power factors, proportion of SLs, and system strengths.
Due to the limitations associated with input voltage control technique used in SLs (such as load voltage tolerance and availability of non-critical loads), use of power electronic compensators in output voltage control like mid-feeder compensation (MFC) and point-of-load compensation (PoLC) are also analysed. A comparison between the MFC and PoLC option is presented in terms of their voltage control capability, required compensator capacity, network losses and PV throughput. Alongside voltage control, effectiveness of the PoLC option for exercising voltage controlled demand response is also demonstrated and compared against the MFC option.Open Acces
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