1,721,240 research outputs found
Il suonatore di nuvole
No full textNabil fa il violoncellista a Baghdad, in uno scenario decisamente poco favorevole alla musica sinfonica: incompreso dai più, preso di mira dai salafiti, decide di fuggire in Europa
Uso dell’ENFA (Ecological Niche Factor Analysis) nello studio della nidificazione del gabbianocorso a Punta Campanella
No full textPer la prima volta è stato utilizzato un modello di analisi matematica per valutare la nidificazione del gabbiano corso. I risultati mostrano che la nidificazione del g. corso è più minacciata dalla competizione del g. reale che da pressioni antropich
Emotional and Behavioural Distraction by a Social Robot for Children Anxiety Reduction During Vaccination
No full textSocial Assistive Robots are starting to be widely used for paediatric health-care. In this setting, the development of effective strategies to engage and remain compelling during the interaction is still an open research area since, in the case of an incoming medical procedure, children could be in an anxiety state. In this work, the proposed strategy relies on the use of a social robot interacting with the children and applying distraction strategies that are used in human–human interaction. Additionally, the robot displays emotional behaviours to attract the children attention. We present the results of a 2 months study (N = 139) conducted in a Health-Vaccines Centre, where the effects of the distraction provided by a social robot, showing such interactive behaviours interleaved with emotional ones, are compared with the same distracting strategies without any emotional social cues and with the case without the robot. Such emotional behaviours are selected with a positive or negative valence according to the initial anxiety state of the children (e.g., low or high). Outcome criteria for the evaluation of the intervention included the parents reported fear, anxiety and happiness at different stages of the interaction, self-report of the perceived pain, and an external behavioural evaluation of the pain. Results showed that the robot distraction strategies were able to reduce fear and anxiety, and increase happiness in every condition. Moreover, children perceived less pain with respect to the case of no robot. Finally, results showed that the initial children anxiety has an impact on the ability of the robot to be engaging
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
Within- and among-leaf variations in photo-physiological functions, gene expression and DNA methylation patterns in the large-sized seagrass Posidonia oceanica
No full textThe knowledge of how molecular functions vary in relation to developmental and environmental cues within and among seagrass leaves is scarce in comparison with terrestrial angiosperms. This strongly limits the mechanistic understanding of photosynthetic development and light acclimation processes in seagrasses, besides having fundamental methodological implications when small leaf sections are utilized as a proxy for assessing the photosynthetic performance and molecular responses to environmental changes for the whole plant. Here, the expression gradients of genes associated with key plant metabolic processes (i.e. photosynthesis, energy dissipation mechanisms, stress response and programmed cell death) were determined, for the first time, in three segments (i.e. basal, medium and high) along the longitudinal axis of three ranked leaves (i.e. leaf 1, 2 and 3) in the large-sized seagrass Posidonia oceanica. The evaluation of major shifts in gene expression paralleled the analysis of photo-physiological properties and global DNA methylation level of the different leaf sections. Photo-physiological and molecular results converged in suggesting that the within-leaf (vertical) gradient was stronger than the leaf-rank (horizontal) gradient, likely reflecting the sharp irradiance attenuation occurring inside the complex canopy formed by this species. Specific correlations between target gene expression and photo-physiological measurements were found, providing a first description of molecular rearrangements underlying the differential photosynthetic performance and light acclimation capacity of seagrass leaves. DNA methylation varied with tissue age, being higher in the youngest and oldest leaf sections, while decreasing in intermediate tissues. We interpreted such changes as a consequence of the interplay between developmental and light cues
Lettura 4. Ibrāhīm b. Muḥammad al-Wazīr, al-Maqāma al-manẓariyya (la maqāma del paesaggio)
No full textScheda di lettura sullo sviluppo del genere della maqāma nello Yemen all'interno del capitolo sulla prosa araba in epoca ottoman
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
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