1,721,119 research outputs found
F. Arnaldi, Ν. Lascu, G. Lugli, A. Monteverdi, E. Paratore, R. Yulpe, Studi Ovidiani, 1959
No full textLe Bonniec Henri. F. Arnaldi, Ν. Lascu, G. Lugli, A. Monteverdi, E. Paratore, R. Yulpe, Studi Ovidiani, 1959. In: Revue des Études Anciennes. Tome 63, 1961, n°1-2. pp. 191-192
F. Arnaldi, Ν. Lascu, G. Lugli, A. Monteverdi, E. Paratore, R. Yulpe, Studi Ovidiani, 1959
No full textLe Bonniec Henri. F. Arnaldi, Ν. Lascu, G. Lugli, A. Monteverdi, E. Paratore, R. Yulpe, Studi Ovidiani, 1959. In: Revue des Études Anciennes. Tome 63, 1961, n°1-2. pp. 191-192
Landslide monitoring using multitemporal terrestrial laser scanning for ground displacement analysis
No full textIn the analysis of the temporal evolution of landslides
and of related hydrogeological hazards, Terrestrial
Laser Scanning seems to be a very suitable technique
for morphological description and displacement
analysis. In this note we present some procedures
designed to solve specific issues related to
monitoring. A particular attention has been devoted
to data georeferencing, both during survey campaigns
and while performing statistical data analysis. The
proper interpolation algorithm for DEM generation
has been chosen taking into account the features of
the landslide morphology and of the acquired
datasets. For a detailed analysis of the different
dinamics of the hillslope, we identified some areas
with homogeneous behaviour applying in a GIS
environment a sort of rough segmentation to the grid
obtained differentiating two surfaces. This approach
has allowed a clear identification of ground
deformations, obtaining detailed quantitative
information on surficial displacements. These
procedures have been applied to a case study on a
large landslide of about 10 hectares, located in Italy,
which recently has severely damaged the national
railway line. Landslide displacements have been
monitored with TLS surveying for three years, from
February 2010 to June 2012. Here we report the
comparison results between the first and the last
survey
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
Mechanism of the formation of 1,2,4-thiadiazoles by condensation of aromatic thioamides and of N-substituted thioureas
No full textThe condensation reaction of thiobenzamide, (as well as thionicotinamide and isothionicotinamide) in the presence of dimethyl sulfoxide and of an acid, affords 3,5-diphenyl-1,2,4-thiadiazole, Under the same experimental conditions, N-substituted thioureas are also condensed to 1,2,4-thiadiazole derivatives; their structure is ascertained by spectroscopic properties and by X-ray diffraction. Some information on the mechanism of thiadiazoles formation from both starting classes of compounds, thiobenzamides and N-substituted thiourea, is collected and discussed
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
- …
