86,923 research outputs found

    Remote detection of social interactions in indoor environments through bluetooth low energy beacons

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    The way people interact in daily life is a challenging phenomenon to be captured and studied without altering the natural rhythm of the interactions. We investigate the development of automated tools that may provide information to the researchers that analyse interactions among humans. One important requirement of these tools is that should not interfere with the subjects under observation, in order to avoid any alteration in the subject's normal behaviour. Our approach is based on the detection of proximity among groups of people that is obtained using commercial wearable wireless tags based on Bluetooth Low Energy (BLE) and a novel algorithm called Remote Detection of Human Proximity (ReD-HuP) that analyses the wireless signal of tags and produce the proximity information. The algorithm, which has been validated against the ground truth of an experimental dataset, achieves an accuracy of 95.91% and an F-Score of 95.79%

    Oreficeria e arti preziose. Introduzione

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    Le oreficerie come testimonianza della realtà storica dei tesori sacri e della cultura artistica del territorio

    Hysteroscopic retrieval of occult IUD.

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    The direct view of the uterine cavity offered by hysteroscopy can provide valuable information about the position of an IUD, its condition, and its relationship with other formations, thereby facilitating its removal. The diagnostic and therapeutic reliability of this technique was analyzed in 8 women with occult IUDs. Involved were 3 Nova T IUDs, 2 Gravigards, 2 Minigravigards, and 1 Progestasert device. 1 patient had undergone unsuccessful curettage for removal of the IUD; none of the other women had experienced any surgical manipulation prior to the hysteroscopy. The surgery consisted of 4 steps: 1) distention of the uterine cavity by insufflation of carbon dioxide, 2) hysteroscopic location of the IUD, 3) sighted grasping of the IUD or IUD segment with forceps, and 4) removal of the device together with the hysteroscope under dynamic vision. Hysteroscopic location and removal were successful in all 8 patients, with no complications. Hysteroscopy is thus recommended as an alternative retrieval technique, especially in cases when it is necessary to assess the deterioration and possible myometrial penetration of the IUD or the inflammation of the uterine cavity

    Urban Resilience as New Ways of Governing: The Implementation of the 100 Resilient Cities Initiative in Rome and Milan

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    In the last decades, the discourse on urban resilience has become extremely influential across the globe. In the field of urban planning and studies, scholars and practitioners have emphasised the role of cities as both spaces that are critically exposed to different kinds of risks and as strategic actors who can and must mobilize policy initiatives in order to cope with them. In this context, this chapter focuses on the mainstreaming and institutionalisation of discourses on urban resilience within local governments and governance networks through the intervention of Trans Municipal Networks (TMNs). The object of analysis is the participation of the cities of Milan and Rome to the implementation of the international initiative and network ‘100 Resilient Cities’, promoted by the Rockefeller Foundation. Based on a set of in-depth interviews with stakeholders and participant observation, the study addresses empirical evidence according to three analytical dimensions: downscaling; internal institutionalisation; and external institutionalisation

    Variations on the Author

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    “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

    Tra arte imperiale e tradizioni locali: formule iconografiche e sviluppi regionali nella scultura del III secolo

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    Lo sviluppo del ritratto imperiale nel III secolo è contraddistinto da tendenze espressionistiche, che impiegano un repertorio di formule iconografiche per veicolare messaggi semplici ed efficaci: da un lato la cosiddetta 'cura imperii', vale a dire la preoccupazione del principe per il benessere dei cittadini che grava sulle sue spalle; dall'altro un'espressione di energia e risolutezza, necessarie per reggere l’Impero in un momento di tensioni politiche e istituzionali. Queste due tendenze, e le loro gradazioni e combinazioni, si concretizzano in uno sperimentalismo stilistico che si allontana dal naturalismo di ascendenza ellenistica per cercare nuovi mezzi espressivi. Il presente contributo intende offrire ulteriori spunti per inquadrare tali sviluppi, allargando lo sguardo sia in senso geografico, sia dal punto di vista dei generi artistici: esempi tratti dall’arte provinciale e dalla statuaria ideale contribuiscono a far luce sul ruolo che diverse tradizioni artistiche possono aver avuto nell’evoluzione della cultura figurativa del periodo
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