1,720,973 research outputs found
Nota preliminare sulla sequenza UMG di Cava a Filo (Croara, BO): gli aspetti stratigrafico-sedimentari, paleontologici e antropici alla luce delle ultime indagini (2006-2016)
No full textLe faune di Cava a Filo si sono sedimentate entro un sistema di cavità carsiche a galleria. Queste gallerie costituiscono delle cavità relitte di origine fluvio-carsica, formatesi in un momento avanzato del Pleistocene superiore. I resti faunistici sono pertinenti a specie tipiche di climi freddi ed ambienti aperti con limitate aree boschive. La macrofauna dominante è rappresentata da grandi artiodattili quali Bison priscus, Megaloceros giganteus e Capreolus capreolus. Canis lupus è il solo carnivoro presente nel sito e i lagomorfi sono rappresentati da Lepus timidus. I resti animali sono costituiti da accumuli di ossa singole, con l’eccezione dello scheletro completo di lepre bianca. I piccoli mammiferi sono rappresentati da 166 resti, corrispondenti a 132 individui. È dominante Microtus arvalis, una specie molto diffusa e spesso prevalente nella Penisola Italiana intorno all’Ultimo Massimo Glaciale. L’ambiente circostante il sito era caratterizzato da praterie aperte ed aride, mentre alcune aree boschive sono testimoniate dalla rara presenza di Clethrionomys glareolus, Apodemus cf. sylvaticus e Erinaceus europaeus. Chinomys nivalis e Marmota marmota, sebbene poco comune, indicano condizioni di clima freddo. Dall’analisi tafonomica si deducono diverse cause d’accumulo: il sito era probabilmente una trappola per la maggior parte dei piccoli mammiferi ed alcuni di loro sono stati probabilmente predati da rapaci diurni o piccoli carnivori. L’avifauna è rappresentata da Lyrurus tetrix, Lagopus mutus, Perdix perdix, Nucifraga caryocatactes, Pyrrhocorax graculus e Falco tinnunculu. Tale associazione di specie conferma il contesto ambientale di Cava a Filo. Particolarmente interessanti risultano delle tracce antropiche su una tibia di bisonte, prodotte con strumenti litici durante la macellazione dell’animale.The sedimentary context of Cava a Filo originated in a karsic system with relic fluvio-karsic galleries. Such network of tunnels was excavated during an advanced moment of the Late Pleistocene. Cava a Filo testifies the presence of typical species closely related to cold climate and open environments with diffuse forested areas. Macromammals are represented by large artiodactyls, such as Bison priscus, Megaloceros giganteus and Capreolus capreolus, with the predominance of the largest species. Canis lupus is the only carnivorous determined in the site, and lagomorphs are represented by Lepus timidus. Fossils were recoveded as single bones, with the exception of mountain hare, represented by a complete skeleton. The small mammal assemblage of Cava a Filo is represented by 166 remains corresponding to 132 individuals. It is dominated by Microtus arvalis, a species widespread and often dominant in the Italian Peninsula around the Last Glacial Maximum. The environment surrounding the site was mainly characterized by open and dry meadows, while few low forested areas are testified by the presence of rare Clethrionomys glareolus, Apodemus cf. sylvaticus and Erinaceus europaeus. Chinomys nivalis and Marmota marmota, although rare, indicate cold climate conditions. The taphonomy analysis shows different accumulation causes: the site was likely a trap for most of the small mammals and few of them was probably hunted by diurnal bird of prey or small carnivores. Avifauna is represented by Lyrurus tetrix, Lagopus mutus, Perdix perdix, Nucifraga caryocatactes, Pyrrhocorax graculus, and Falco tinnunculus. Such interesting association is quite rich in terms of species and confirms the environmental context of deposition at Cava a Filo. An interesting tibia of bison shows anthropic signs on the bone surface, left by a lithic tool during the animal slaughtering
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
Nota preliminare sulla sequenza UMG di ex Cava a Filo (Croara, BO): gli aspetti stratigrafico-sedimentari, paleontologici e antropici alla luce delle ultime indagini (2006-2016)
No full textLe faune di Cava a Filo si sono sedimentate entro un sistema di cavità carsiche a galleria. Queste gallerie costituiscono delle cavità relitte di origine fluvio-carsica, formatesi in un momento avanzato del Pleistocene Superiore. I resti faunistici sono pertinenti a specie tipiche di climi freddi ed ambienti aperti con limitate aree boschive. La macrofauna dominante è rappresentata da grandi artiodattili quali Bison priscus, Megaloceros giganteus e Capreolus capreolus. Canis lupus è il solo carnivoro presente nel sito e i lagomorfi sono rappresentati da Lepus timidus. I resti animali sono costituiti da accumuli di ossa singole, con l’eccezione dello scheletro completo di lepre bianca. I piccoli mammiferi sono rappresentati da 166 resti, corrispondenti a 132 individui. È dominante Microtus arvalis, una specie molto diffusa e spesso prevalente nella Penisola Italiana intorno all’Ultimo Massimo Glaciale. L’ambiente circostante il sito era caratterizzato da praterie aperte ed aride, mentre alcune aree boschive sono testimoniate dalla rara presenza di Clethrionomys glareolus, Apodemus cf. sylvaticus e Erinaceus europaeus. Chinomys nivalis e Marmota marmota, sebbene poco comunde, indicano condizioni di clima freddo. Dall’analisi tafonomica si deducono diverse cause d’accumulo: il sito era probabilmente una trappola per la maggior parte dei piccoli mammiferi ed alcuni di loro sono stati probabilmente predati da rapaci diurni o piccoli carnivori. L’avifauna è rappresentata da Lyrurus tetrix, Lagopus mutus, Perdix perdix, Nucifraga caryocatactes, Pyrrhocorax graculus, e Falco tinnunculu. Tale associazione di specie conferma il contesto ambientale di Cava a Filo. Particolarmente interessanti risultano delle tracce antropiche su una tibia di bisonte, prodotte con strumenti litici durante la macellazione dell’animale.The sedimentary context of ex Cava a Filo originated in a karsic system with relic fluvio-karsic galleries. Such network of tunnels were excavated during an advanced moment of the Late Pleistocene. ex Cava a Filo testifies the presence of typical species closely related to cold climate and open environments with diffuse forested areas. Macromammals are represented by large artiodactyls, such as Bison priscus, Megaloceros giganteus and Capreolus capreolus, with the predominance of the largest species. Canis lupus is the only carnivorous determined in the site, and lagomorphs are represented by Lepus timidus. Fossils were recoveded as single bones, with the exception of mountain hare, represented by a complete skeleton. The small mammal assemblage of ex Cava a Filo is represented by 166 remains corresponding to 132 individuals. It is dominated by Microtus arvalis, a species widespread and often dominant in the Italian Peninsula around the Last Glacial Maximum. The environment surrounding the site was mainly characterized by open and dry meadows, while few low forested areas are testified by the presence of rare Clethrionomys glareolus, Apodemus cf. sylvaticus and Erinaceus europaeus. Chinomys nivalis and Marmota marmota, although rare, indicate cold climate conditions. The taphonomy analysis shows different accumulation causes: the site was likely a trap for most of the small mammals and few of them was probably hunted by diurnal bird of prey or small carnivores. Avifauna is represented by Lyrurus tetrix, Lagopus mutus, Perdix perdix, Nucifraga caryocatactes, Pyrrhocorax graculus, and Falco tinnunculus. Such interesting association is quite rich in terms of species, and confirms the environmental context of deposition at ex Cava a Filo. An interesting tibia of bison shows anthropic signs on the bone surface, left by a lithic tool during the animal slaughtering
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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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