1,720,971 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Cuniculus paca
No full textCuniculus paca (Linnaeus, 1766) Lowland Paca, Jochi pintado Figure 4T Examined material. BOLIVIA; Province of Ñuflo de Chávez of Santa Cruz Department; Centro “Chiquitos”; camera stations 3, 6, 11, 12 (Table 1); first capture on 4 April 2017; secondary forest patch in pastureland, primary forest, and border of pastureland to forest. Identification. This is a robust, medium-sized to large (6-10 kg), nocturnal rodent. The body is covered by short, brown fur with longitudinal rows of white spots.Published as part of Jansen, Martin, Engler, Marc, Blumer, Luka Moritz, Rumiz, Damián I., Aramayo, José Luis & Krone, Oliver, 2020, A camera trapping survey of mammals in the mixed landscape of Bolivia's Chiquitano region with a special focus on the Jaguar, pp. 323-335 in Check List 16 (2) on page 331, DOI: 10.15560/16.2.32
Sylvilagus brasiliensis Linnaeus 1758
No full textSylvilagus brasiliensis Linnaeus, 1758 Forest Rabbit, Tapití Figure 4Q Examined material. BOLIVIA; Province of Ñuflo de Chávez of Santa Cruz Department; Centro “Chiquitos”; camera stations 3, 4, 5, 6, 9, 10, 11 (Table 1); first capture on 30 March 2017; secondary forest patch in pastureland, primary forest, and border of pastureland to forest. Identification. This is a small forest rabbit (0.5–1.2 kg) with relatively long ears (but shorter than other lagomorphs), an agouti-brown body, and a black tail.Published as part of Jansen, Martin, Engler, Marc, Blumer, Luka Moritz, Rumiz, Damián I., Aramayo, José Luis & Krone, Oliver, 2020, A camera trapping survey of mammals in the mixed landscape of Bolivia's Chiquitano region with a special focus on the Jaguar, pp. 323-335 in Check List 16 (2) on page 331, DOI: 10.15560/16.2.32
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe 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
Tayassu pecari Fischer 1814
No full textTayassu pecari Fischer, 1814 White-lipped Peccary, Tropero Figure 4F Examined material. BOLIVIA; Province of Ñuflo de Chávez of Santa Cruz Department; Centro “Chiquitos”; camera stations 2, 10, 11, 12 (Table 1); first capture on 18 April 2017; secondary forest patch in pastureland, primary forest, and border of pastureland to forest. Identification. This is a black or dark brown wild pig that has white markings along the lower part of the snout and no white collar. It is larger (25–37 kg) than Collared Peccary and forms groups of 50–300 individuals.Published as part of Jansen, Martin, Engler, Marc, Blumer, Luka Moritz, Rumiz, Damián I., Aramayo, José Luis & Krone, Oliver, 2020, A camera trapping survey of mammals in the mixed landscape of Bolivia's Chiquitano region with a special focus on the Jaguar, pp. 323-335 in Check List 16 (2) on page 328, DOI: 10.15560/16.2.32
Coendou prehensilis
No full textCoendou prehensilis (Linnaeus, 1758) Brazilian Porcupine, Puercoespín Examined material. BOLIVIA; Province of Ñuflo de Chávez of Santa Cruz Department; Centro “Chiquitos”; 16.3695°S, 062.0052°W; first capture on 12 May 2017; secondary forest patch in pastureland. Identification. This is a medium-sized, arboreal rodent (2–5 kg). Thick spines, 2–6 cm long, cover the entire body except for the muzzle. The general color appears gray or yellowish from a distance, but each spine is whitish at its base and tip and with a dark-brown band in the middle. This is the only porcupine species known in the area.Published as part of Jansen, Martin, Engler, Marc, Blumer, Luka Moritz, Rumiz, Damián I., Aramayo, José Luis & Krone, Oliver, 2020, A camera trapping survey of mammals in the mixed landscape of Bolivia's Chiquitano region with a special focus on the Jaguar, pp. 323-335 in Check List 16 (2) on page 331, DOI: 10.15560/16.2.32
Hadrosciurus spadiceus
No full textHadrosciurus spadiceus (Olfers, 1818) Bolivian Squirrel, Masi Figure 4U Examined material. BOLIVIA; Province of Ñuflo de Chávez of Santa Cruz Department; Centro “Chiquitos”; camera stations 3, 8, 10, 12 (Table 1); first capture on 12 April 2017; secondary forest patch in pastureland, primary forest, and border of pastureland to forest. Identification. This is a large-bodied species of squirrel with a typically reddish-brown body having whitish underparts and a thick, brown and orange tail. The similar Notosciurus pucheranii (Fitzinger, 1867) is grayish and has a white, subcircular eye-ring.Published as part of Jansen, Martin, Engler, Marc, Blumer, Luka Moritz, Rumiz, Damián I., Aramayo, José Luis & Krone, Oliver, 2020, A camera trapping survey of mammals in the mixed landscape of Bolivia's Chiquitano region with a special focus on the Jaguar, pp. 323-335 in Check List 16 (2) on page 331, DOI: 10.15560/16.2.32
Nasua nasua nasua (Linnaeus 1766
No full textNasua nasua (Linnaeus, 1766) South American Coati, Tejón Figure 4P Examined material. BOLIVIA; Province of Ñuflo de Chávez of Santa Cruz Department; Centro “Chiquitos”; camera stations 1, 2, 3, 4, 6, 7, 8, 11, 12, 13 (Table 1); first capture on 6 April 2017; secondary forest patch in pastureland, primary forest, and border of pastureland to forest. Identification. This is a medium-sized procyonid (2–5 kg), with a triangular head, long and pointed snout, short ears and a long, black-striped tail. The body coloration varies from orange to light or dark brown.Published as part of Jansen, Martin, Engler, Marc, Blumer, Luka Moritz, Rumiz, Damián I., Aramayo, José Luis & Krone, Oliver, 2020, A camera trapping survey of mammals in the mixed landscape of Bolivia's Chiquitano region with a special focus on the Jaguar, pp. 323-335 in Check List 16 (2) on pages 330-331, DOI: 10.15560/16.2.32
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