1,721,129 research outputs found
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
Authors’ reply to: Letter to editor regarding “The endoscopic diving technique in endonasal transsphenoidal surgery: how I do it”
No full textAn Uncommon Case of Neuroenteric Cyst Located at the Lateral Cerebellomedullary Cistern
No full textWe present the case of a 42-year-old woman with a 5-week history of headache, progressive dysphagia, dysphonia, and hoarseness. A brain magnetic resonance imaging revealed an extra-axial cyst of the left lateral cerebellomedullary cistern. The subsequent histopathologic examination diagnosed a neuroenteric cyst. This case sheds light on the pivotal role of histologic identification of neuroenteric cyst, which could be crucial for further diagnostic investigations, especially in pediatric patients
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
An ancestor of the stereotactic atlases: The Tabulae Anatomicae of Bartolomeo Eustachio
No full textThe authors report the history of the Tabulae Anatomicae of Bartolomeo Eustachio (ca. 1510-1574). In the tables, the anatomical illustrations were drawn inside a numerical frame, with pairs of numbers on the y- and x-axes to identify single anatomical details in the reference table. The measures and the references could be calculated using the graduated margins divided by 5 units for each the x-axis and y-axis. The Tabulae Anatomicae can be considered a precursor to modern anatomical reference systems that are the basis of studies on cerebral localization mainly used for stereotactic procedures
Cranial selection in the cremated remains of the Iron Age Golasecca Celtic Civilization (Northwestern Italy, 9-4th century BCE)
No full textThe Golasecca Celtic Civilization (GCC) developed in the Italian Iron Age, between the 9th and 4th centuries BCE, and is characterized by the predominant use of cremation as a funerary ritual in the Italian area. Reconstructing the steps of the cremation ritual in archaeology is a complex challenge, as many anthropic actions leave only faint traces in cremated remains. Within the funerary rituals of prehistoric and protohistoric Italy, the skull has received particular attention from numerous archaeological cultures and civilizations. The context of via Marconi 2020 (Sesto Calende, Varese, northern Italy) has allowed hinting at this practice also in GCC, through the anthropological analysis of cremated remains found in two different but spatially close tombs. The analysis of the cremated remains identified the selection of some elements of the skull of an adult individual and the post-cranium of a non-adult individual in the first tomb, and the presence of only the skull of the non-adult individual in the second tomb. The possibility of a ritual attention of the GCC reserved for the skull has been proven for the first time thanks to the analysis of these subjects. This work provides new data on funerary ritual behaviors of the GCC, allowing for a better understanding within the Italian and European panorama
Letter to the Editor Regarding “Modified Endoscopic Diving Technique without the Traditional Irrigation System in Endoscopic Cranial Base Surgery: Technical Note”
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