1,720,997 research outputs found
Turismo e crisi idrica: il caso di Favignana
No full textWater represents a value of fundamental importance not only in the natural dimension but also in the socio-cultural one. In the present research, based on a mixed methodology (analysis of existing literature, fieldwork, interviews, data analysis), the case of the Egadi Islands is presented, with a specific focus on Favignana
The territorial challenge of the wine-growing system in Castiglione di Sicilia (Etna)
No full textFor the past few decades, the slopes of Mount Etna have been characterised by a new interest in wineries. This research, largely carried out in the field, will focus on the northern slope of the volcano, whose municipalities have been plagued by an inexorable demographic decline for decades. The emblematic case of Castiglione di Sicilia will be developed to understand the extent of the phenomenon, recent and potential future directions in terms of territorial development, based on the policies implemented
Glucagon-like peptide-1 analogues: effects on body weight and glycemia
No full textGlucagon-like peptide-1 (GLP-1) analogues-based therapies are a new option for type 2 diabetes treatment that hold the promise of overcoming the major limitations of traditional treatments, including the increased risk for hypoglycemia and weight gain. Herein, we review the data from clinical trials that have assessed the mechanism of action, the efficacy, and safety of exenatide and liraglutide, two analogues already available for therapy. The data of these trials showed that exenatide and liraglutide induced an improvement in glycemic control comparable with type 2 diabetes traditional treatments, as insulin, thiazolidinediones and sulfonylurea. GLP-1 analogues-based therapy was also associated with progressive weight reduction and a very low risk for hypoglycemia
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
Simulation of foetal phonocardiographic recordings for testing of FHR extraction algorithms
No full textA valuable alternative to traditional diagnostic tools, such as ultrasonographic cardiotocography, to monitor general foetal well-being by means of foetal heart rate analysis is foetal phonocardiography, a passive and low cost recording of foetal heart sounds. In this paper, it is presented a simulator software of foetal phonocardiographic signals relative to different foetal states and recording conditions (for example different kinds and levels of noise). Before developing the software, a data collection pilot study was conducted with the purpose of specifically identifying the characteristics of the waveforms of the foetal and maternal heart sounds, since the available literature is not rigorous in this area. The developed software, due to the possibility to simulate different physiological and pathological foetal conditions and recording situations simply modifying some system parameters, can be useful as a teaching tool for demonstration to medical students and others and also for testing and assessment of foetal heart rate extraction algorithms from foetal phonocardiographic (fPCG) recordings. On this purpose, the simulator software was used to test an algorithm developed by the authors for foetal heart rate extraction considering different foetal heart rate parameters and signal to noise ratio values. Our tests demonstrated that simulated fPCG signals are very close to real fPCG recordings
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