1,721,002 research outputs found
“Oh perché gli sconsigliati vogliono buttarle giù?” Note sul ruolo delle porte urbane nelle dinamiche di espansione delle città nell’Ottocento
No full textCity walls have always formed one of the most important elements in a city. They would defend and determine the limits of the city, as well as determining its shape and profile, the sacred boundary between the inside and outside world. Gates were the places from which the city would communicate with the outside world, which attributed them signficant symbolism and relevance.
From the 18th and the 19th Century, the purpose for which they were built was progressively lost due to changing strategic concepts.
Walls thus became an obstacle in the face of hygiene, traffic and the expansion of the city, required at times of urban migration of the population. By the time of the Napoleonic Wars, the fortfications of some cities were already considered a potential danger should there be a people’s uprising or if they should fall into enemy hands.
Thus began a process that would lead to the demolition of the defensive circuits of many cities all over Europe. In Italy, from the 1860’s, and thanks also to the law on expropriation introduced in 1865, various projects were drawn up to plan and oversee the expansion of the city and modify the roads. This was based on the Ring of Vienna model, where the wall circuit became the principal artery of distribution. Within the article, the authors examine the different situations faced by Florence and Bologna, also in relation with the matter of monument conservation
Substitutional Ti(1-x)RuxO2 surface alloys obtained from the decomposition of Ru-3(CO)(12) on TiO2(110)
No full textThe partial decomposition of the organometallic compound Ru3(CO)12 on a TiO2(110) surface is observed at room temperature. Thermal treatment of the surface at 400°C leads to the formation of a surface alloy of formula Ti(1-x)RuxO2 that is characterized by means of XPS, XPD and LEED measurements
Preparation of epitaxial ultrathin RuO2-TiO2(110) films by decomposition of Ru-3(CO)(12)
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Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Is PSHA the only way to deal with earthquake recurrence and uncertainties?
No full textSeismic risk mitigation is a worldwide concern. Rigorous and objective verification of seismic hazard estimates is a mus
Forte Marghera, la chiave di Venezia / Forte Marghera, the key of Venice
No full textForte Marghera was built at the beginning of the nineteenth century in a site that has had particular importance over the years as a link between Venice and Mestre.
The text analyses the history and the main characteristics of the fortification, as well as the guidelines for the restoration projects that were performed by the students of the faculty of Architecture of the IUAV in Venice. These projects had the objective of comprehending the values of the Fort in its context, with the aim of conserving it and of proposing new uses compatible with the architectural characteristics of both the entire fort and its individual buildings. In particular are taken into account the relationship with water, the territorial palimpsest, the bulding materials and technics, the relationship with vegetation, the geometry of military architecture, the historical memories
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