1,720,981 research outputs found
Application and perspectives for interoperable systems in Italy and Europe
No full textRapid transit systems represent one of the main growth areas of the railways business developed to solve the enhanced mobility request. New solutions have been applied in order to simplify and to improve public transport services without changing trains and providing a fast, direct link form the city to the outskirts: the solutions are interoperable systems (e.g. tram-train, train-tram, light rail)
A comparison among the performance of different interoperable systems is showed in the paper
A comparison of methods in planning urban transport networks, considering new perspectives in interoperable system
No full textPoverty and inequality mapping in transition countries
No full textIn this paper we estimate various measures of poverty and inequality for
small administrative units in a Transition Country — Albania — and we
prepare the corresponding maps. Poverty and inequality maps — spatial
descriptions of the distribution of poverty and inequality — are most useful to
policymakers and researchers when they are finely disaggregated, i.e. when
they represent small geographic units, such as cities, municipalities, regions or
other administrative partitions of a country. We aim at performing poverty and
inequality mapping primarily using data from a Population Census, in
conjunction with an intensive small scale national sample survey. The
methodology adopted, described in Elbers, Lanjouw and Lanjouw (2003),
combines census and survey information to produce finely disaggregated
maps. The basic idea is to estimate a linear regression model with local
variance components using information from the smaller and richer sample
data - in the case of Albania the Living Standard Measurement Study (LSMS)
conducted in 2002 — in conjunction with aggregate information from the
2001 Population and Housing Census. The main findings of research are
potentially very useful for policymakers. We find that in Albania there is
considerable heterogeneity of poverty rates across administrative units. The
particular spatial pattern of this heterogeneity has important policy
implications for poverty alleviation programmes: at the highest level we
observe a large spatial heterogeneity among Prefectures; this spatial
heterogeneity is much less pronounced among Districts within the same
Prefecture; however, it is pronounced again at the lowest level among
Municipalities within the same District. What this means for the practitioner
and the policymaker is that it is important to disaggregate down to the
Commune level when analysing issues and planning interventions, as this will
add substantially in terms of precision of the targeting of resources when
compared to stopping at the District leve
A simple logistical management system for limited-access zones for goods vehicles in medium-sized cities
No full textThe paper studies a system currently being considered for the loading and unloading of goods in the urban context of the La Spezia Italian city.
The solution is based on an information system through which: 1. Carriers can register and acquire a personal parking permit; 2. The carriers can access real-time information on available parking space via the web, phone or information panels; 3.A sensor will register the vehicle’s arrival in a parking space and will issue the driver with a ticket stating the time of arrival which must be displayed; 4. The sensor register the departure of a vehicle from a parking slot and calculate the fee; 5. The fee will be calculated based on a set of variable fees depending on the time of day, the day of the week, the location, etc
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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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