1,721,279 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
From point cloud to parametric 3D model: polygonal modelling approach for optimising Scan to H-BIM and Scan to H-FEM processes
Full text link3D parametric modelling is a current and important research topic for the digitisation of cultural heritage in order to preserve the evolution and historical identity of an area over time; for this reason, cultural heritage assets must be subjected to continuous maintenance and monitoring, as well as valorisation and promotion. In addition, a considerable amount of these assets are often exposed to a high risk of damage caused by natural disasters and a poor state of care and neglect that leads to inevitable loss. In this context, in order to adopt all safeguarding and preservation measures in the field of CH, new sensors, digital acquisition technologies and suitable methodological approaches make it possible to create high-performance three-dimensional models, capable of increasing the detail and representation of particulars and enriching these models with heterogeneous information. However, such 3D models are often difficult to manage as they require very high processing and storage capacities. Therefore, it is necessary to define a suitable methodology that is capable of simplifying and optimising the three-dimensional models obtained from a photogrammetric or TLS approach, preserving their accuracy and metric rigour and, at the same time, performing efficiently in BIM (Building Information Modeling) and/or FEM (Finite Element Analysis) applications. The aim of this work is to identify a suitable process that is able, starting from a point cloud obtained by means of geomatic techniques, to generate three-dimensional surface models that are subsequently decimated and optimised according to the complexity of the case and the desired output. To achieve these objectives, a semi-automatic process is described that is capable of transforming a TIN (Triangulated Irregular Network) surface model into a quad-mesh polygonal model and then converting it into NURBS (Non-Uniform Rational Basis-Splines) for subsequent import into a BIM software or FEM solver for finite element calculations. As well as the optimisation requirements, this approach also pursues the objective of improving the quality of the final model, providing metrics (validated by means of suitable algorithms) and geometric resolution, resolving all the topological errors of the generated meshes (open surfaces, holes, edges, etc.), as well as optimising the computational aspects, sharing and interoperability between the different software and platforms used. The experimentation was carried out on two different case studies, and in particular a 14th-century church and a bronze statue, demonstrating the efficiency of the optimisation and management of complex geometries and validating, through a study on the repeatability of the approach considered, an efficient and accurate Scan to BIM and Scan to FEM process applied to existing cultural heritage
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
Relazioni di convivenza. Studio esplorativo sulle associazioni semantiche.
No full textL’aumento di frequenza e complessità degli scambi sociali e la maggiore incertezza nelle regole di riferimento rende il tema della convivenza di crescente rilevanza nella letteratura recente di diverse discipline. Il contributo presenta il primo studio di una ricerca più ampia e si propone di porre a confronto le concezioni della convivenza nei contesti lavorativi (livello organizzativo) e sociali (livello sociale). Attraverso un que- stionario a risposte aperte (2721 soggetti) sono state studiate le libere associazioni sul costrutto e sulle criticità della convivenza negli ambienti lavorativi e sociali. L’analisi del contenuto del corpus di risposte ha consentito di individuare tre cluster sulle rappresentazioni del processo di vivere insieme e tre cluster sulle difficoltà del convivere nei contesti organizzativi e sociali.The increase of frequency and complexity of social exchanges among different subjects
and more uncertainty in rules, makes living together an issue assuming an ever-growing
importance in recent literature from different disciplines. This contribution is the first
study of a larger research and aims to highlight how people experience living together
in work environments (organization level) and in a wider social setting (society level).
Through an open-question questionnaire administered to a sample of 2721 subjects,
free associations about convivence and its criticalities have been studied for each level.
The content analysis of the corpus of answers so obtained, yields three main clusters
about representations of living together process and three main clusters about its difficulties,
in organizational and social relationships
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
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