1,721,002 research outputs found

    A new genus and species of monostiliferous hoplonemertean (Enopla: Hoplonemertea: Monostilifera) from New Zealand

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    Gibson, Ray, Strand, Malin (2002): A new genus and species of monostiliferous hoplonemertean (Enopla: Hoplonemertea: Monostilifera) from New Zealand. Zootaxa 50: 1-2

    Some heteronemerteans (Nemertea) from the Solomon Islands

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    Gibson, Ray, Sundberg, Per (2002): Some heteronemerteans (Nemertea) from the Solomon Islands. Journal of Natural History 36 (15): 1785-1804, DOI: 10.1080/00222930110069041, URL: http://www.tandfonline.com/doi/abs/10.1080/0022293011006904

    FIG. 4 in Some heteronemerteans (Nemertea) from the Solomon Islands

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    FIG. 4. Kukumia solomonensis gen. et sp. nov. Drawing of complete specimen, taken from a photograph of the living individual. Scale bar 5 10 mm.Published as part of Gibson, Ray & Sundberg, Per, 2002, Some heteronemerteans (Nemertea) from the Solomon Islands, pp. 1785-1804 in Journal of Natural History 36 (15) on page 1792, DOI: 10.1080/00222930110069041, http://zenodo.org/record/529884

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

    Traduction de la préface écrite par Arnaud Rykner du catalogue de l’exposition photographique « Géométrie » : photographies de Jean-Christophe Bechet, Paul den Hollander, Ralph Gibson, Ray K. Metz

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    « Géométrie » : photographies de Jean-Christophe Bechet, Paul den Hollander, Ralph Gibson, Ray K. Metzker. Toulouse : Editions du Rouergue, 201

    Variations on the Author

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    “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

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    We 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

    FIGS 5 in Some heteronemerteans (Nemertea) from the Solomon Islands

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    FIGS 5±10. Kukumia solomonensis gen. et sp. nov. (5) Transverse section through part of the dorsal body wall in the foregut region, showing the appearance of the epidermis, subepidermal musculature, dermis and outer body wall longitudinal muscle layer. (6) Transverse section through part of the dorsal body wall in the posterior region of the body; note the diVerence in the appearance of the dermis in comparison with Žgure 5. (7) Enlargement of part of the anterior dermis, in transverse section, to show the concentric arrangement of the dermal connective tissues interwoven with peripheral bundles of body wall outer longitudinal muscle Žbres. (8) Part of the outer longitudinal body wall muscle layer in transverse section, showing some of the radial muscle and connective tissue Žbrils which traverse the body wall. (9) Transverse section through the dorsal body wall in the foregut region to show the upper and lower mid-dorsal nerves. (10) Transverse section through a lateral nerve cord to show the inner and outer neurilemma, radial connective tissue and muscle Žbrils penetrating the outer ganglionic zone and the bundles of longitudinal myoŽbrillae (indicated by arrows). All photomicrographs of the holotype, sections stained with the Mallory trichrome method. Scale bars: (5, 6, 8, 10) 5100 mm; (7, 9) 550 mm.Published as part of Gibson, Ray & Sundberg, Per, 2002, Some heteronemerteans (Nemertea) from the Solomon Islands, pp. 1785-1804 in Journal of Natural History 36 (15) on page 1793, DOI: 10.1080/00222930110069041, http://zenodo.org/record/529884

    FIGURES 3­8 in A new genus and species of monostiliferous hoplonemertean (Enopla: Hoplonemertea: Monostilifera) from New Zealand

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    FIGURES 3­8. Vulcanonemertes rangitotoensis gen. et sp. nov. 3, Transverse section through part of the body wall in the foregut region, showing the organisation of the body wall muscle layers. The diagonal muscle layer is indicated by an arrowhead. LM, body wall longitudinal muscle layer. 4, Transverse section through the stomach region to show the thin circular somatic muscle layer, indicated by arrows. The anterior pouches of the intestinal caecum are indicated by stars. PR, proboscis. RC, rhynchocoel. ST, stomach. 5, Transverse section through the foregut region to show how the cephalic glands extend behind the brain as lateral blocks of tissue, and the dorsoventral muscle fibres, indicated by arrows, passing on either side of the lateral blood vessels and nerve cords. CG, cephalic glands. LM, body wall longitudinal muscle layer. LN, lateral nerve cord. LV, lateral blood vessel. 6, Transverse section to show the organisation of the anterior portion of the proboscis. PE, proboscis epithelium. RC, rhynchocoel. 7, Transverse section through part of the head, showing oblique and radial muscle fibres running between the cephalic glands. CG, cephalic glands. CO, cerebral sensory organ. 8, Transverse section through the proboscis stylet bulb to show five accessory stylet pouches. The stylet bulb canal is indicated by an arrow. RC, rhynchocoel. SB, stylet basis.Published as part of Gibson, Ray & Strand, Malin, 2002, A new genus and species of monostiliferous hoplonemertean (Enopla: Hoplonemertea: Monostilifera) from New Zealand, pp. 1-20 in Zootaxa 50 on page 6, DOI: 10.5281/zenodo.462024
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