1,720,977 research outputs found
S. Crisafulli Buscemi, I contratti di utilizzazione délie nave, 1° II contratto di rimorchio
No full textS. Crisafulli Buscemi, I contratti di utilizzazione délie nave, 1° II contratto di rimorchio. In: Revue internationale de droit comparé. Vol. 26 N°1, Janvier-mars 1974. p. 196
Data analysis on extinct and living Picidae in Sicily and Calabria (Southern Italy).
No full textSome species of animals related to forest habitats have disappeared or greatly decreased in the
first half of the last century. However, during the second half of the last century the forest areas have
increased and many forests have been protected. This produced conditions for a re-colonization or
reintroduction of extinct forest animal species. The present study is a complete overview of records
of extinct and still living Black Woodpecker Dryocopus martius, European green Woodpecker Picus
viridis, Middle spotted Woodpecker Dendrocopos medius and Lesser spotted Woodpecker Dendrocopos
minor in Sicily and Calabria (Southern Italy). This study was carried out to show that these
woodpeckers, or at least some of them, may have existed in Sicily and are possible candidate for reintroduction
projects in the island. This explains the reasons of a historical and contemporary survey
on the presence of the above mentioned species in Calabria, that could be the place where these
birds could be recovered for possible reintroduction projects in Sicily
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
Monitoring the invasion of an exotic tree (Ailanthus altissima) (Mill.) Swingle with Landsat satellite time series imagery in urban forest.
Full text linkIn the Mediterranean area, one the most threat tree to various ecosystems is Ailanthus altissima (Mill.)
Swingle. This is an aggressive invasive species common in natural and semi-natural habitat. Monitoring and
mapping of invasive species is an important information for the conservation and management of ecosystems.
The study of distribution and diffusion of invasive species are useful to assess their environmental impacts,
formulate effective control strategies, and forecast potential spread. The main target of this work is to
examine the feasibility of mapping the expansion of A. altissima using remote sensing techniques in a highly
complex urban forest setting. Remote sensing has been a useful tool to map the invasive plant. We mapped
the pattern of ailanthus expansion from 1990 to 2015 in a suburban area of Palermo, the Favorita park, using
time series of Landsat image. This images are nowadays available at no cost. We used that images to analyze
larger areas but the 30 m resolution does not permit mapping of individual trees; the combinations of dates
and medium spatial resolution with the phenology information allowed the detection of the species. Indeed,
the ailanthus is a deciduous tree that we compared with the other evergreen vegetation. Time series of
Normalized difference vegetation index (NDVI) and supervised classification were used as a dataset in the
classification process. These results provide a basis for more detailed investigations on invasive species and the
possibility to increase the spatial resolution with the new platforms might lead to further improvements plant
species identification and their distribution patterns recognition
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
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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