1,721,090 research outputs found

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

    A Methodology for a Performance Information Model to support Facility Management

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    Current facility management practice relies on different systems which require new technologies to integrate and manage information more easily. Building information modeling offers a good opportunity to improve facility information management by providing a unified platform for various data sources rather than an intuitive information interface. Although current research trends reveal that there is a continuously growing interest in facility management aided by building information modeling, an integrated model is still hard to obtain. This paper aims at developing a novel methodology based on building information modeling and facility management systems integration, underpinned by a performance information model. The implementation process of a performance information model is described, including information technologies involved, the data and process requirements, and the building performance assessment methods used. A first pilot case-study has been conducted with regards to surgery rooms in healthcare buildings. The proposal can support condition-based maintenance work schedule, as well as the achievement of organizational, environmental, and technical requirements. Among the practical implications found: Improved technological and environmental performances assessment; better visualization of building condition; improved decision-making process; facilitated maintenance tasks planning and maintenance records management

    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

    The conservation of historic built heritage in Europe: Regulations and guidelines in Italy and England

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    The management and conservation of cultural heritage, including architecture and urban sites, is a necessity and a duty of the modern world. The identity of European society is strongly linked to the architectural heritage, it represents an irreplaceable resource for its inhabitants, in terms of psychological, economic and social wellbeing. During the 20th century several international charters and conventions were adopted, developing and evolving conservation principles and methods. Meanwhile the object of the protection has changed, moving from the archaeological and artistic heritage to the historic towns, which require an integrated conservation in the society, in order to reconcile the urban renewal actions with the protection of historical and architectural values of each site. This means making delicate choices and difficult operations, which change from country to country depending on the attitude adopted regarding to the conservation. This work compares the legislative and political aspects on the theme of the architectural heritage management and conservation in Italy and England, in order to identify advantages and disadvantages of each approach and the lessons that can be drawn. Italy and England were chosen as case studies because they implement a profoundly different relationship between protection and utilization. The literature search carried out includes scientific articles, reports, laws and governmental and non-governmental guidelines. This research concludes that the relationship between protection and utilization depends on many factors: recognized values in the object of protection, affordability, rules and practices, limitations to the changes in legislation matter. The analysis of current attitudes about heritage built allows to understand the limits and potential of different approaches and the Italy and England are different in ideological, economical and methodological aspects, and therefore in the practical one
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