127,105 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
Reddyanus Vachon 1972
No full textGenus Reddyanus Vachon, 1972 stat. n. (Figs. 14, 199, 201–220, 225–236, 245–250, 254–402, 409–420, 551–554, 561–570, Tables 3–5) Isometrus (Reddyanus): Vachon, 1972: 176–177, figs. 14, 16, 18, 20; Vachon, 1982: 90–101, 108–110, figs. 47–67, 88–91; Fet & Lowe, 2000: 150–154; Kovařík, 2003: 5–14, figs. 1–8; Kovařík & Ojanguren, 2013: 184–193, 347–354, 357–360, figs. 1265–1367, 1384–1409. Isometrus (Raddyanus [sic]): Tikader & Bastawade, 1983: 254–311 (in part), figs. 727–770, 841–895. TYPE SPECIES. Isometrus acanthurus Pocock, 1899. DIAGNOSIS. Medium sized buthids, adults 19–75 mm. Sternum type 1, triangular in shape. Pedipalps orthobothriotaxic, type Aβ. Chelal trichobothrium db located between et and est. Three to five pairs of lateral eyes. Tibial spurs absent on all legs. Pedipalp movable finger with six rows of granules, several accessory granules and external and internal accessory granules. Pedipalp fixed finger with seven rows of granules and six external and seven internal accessory granules. Cheliceral fixed finger with a single ventral denticle. Third and fourth legs with tibial spurs. Tibia and tarsomeres of legs I–III with setae not arranged into bristle combs on dorsal surfaces. Tarsomere II of leg IV with two sparse rows of 30 longer, more filamentous setae in Isometrus (Figs. 196– 197), vs. two sparse rows of <20 shorter, thicker, more spiniform setae in Reddyanus (Figs. 199, 205–208); (ii) hemispermatophore with a relatively short, broad trunk, a short, broad, uncoiled flagellum, and a smaller, blunt basal lobe in Isometrus (Figs. 146–149), vs. a narrow trunk, a long, thin, coiled flagellum and a much enlarged, pointed basal lobe in Reddyanus (Figs. 283– 286). The form of the hemispermatophore of Isometrus appears more similar to that of Lychas (Figs. 183–186), than to Reddyanus. Differences in trichobothriotaxy, pedipalp finger dentition, tarsal setation and hemispermatophore structure provide characters that are useful for higher level classification of buthid scorpions (Kovařík, 2009; Lamoral, 1979; Sissom, 1990; Stahnke, 1972; Stockwell, 198; Vachon, 1952). Taken together, these differences support our taxonomic decision to elevate Reddyanus to a genus distinct from Isometrus. DISTRIBUTION. Oriental region from India, China (Tibet) to Melanesia.Published as part of Kovařík, František, Lowe, Graeme, Ranawana, Kithsiri B., Hoferek, David & Š, V. A., 2016, Scorpions of Sri Lanka (Scorpiones Buthidae, Chaerilidae, Scorpionidae) with description of four new species of the genera Charmus Karsch, 1879 and Reddyanus Vachon, 1972, stat n, pp. 1-133 in Euscorpius 220 on pages 53-56, DOI: 10.18590/euscorpius.2016.vol2016.iss220.1, http://zenodo.org/record/712446
Dispelling the Myths Behind First-author Citation Counts
No full textWe 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
Alien Registration- Vachon, Charles B. (Bath, Sagadahoc County)
No full texthttps://digitalmaine.com/alien_docs/8751/thumbnail.jp
Compsobuthus Vachon 1949
No full textList of <i>Compsobuthus</i> from Afghanistan, Iran, Pakistan, and adjacent countries <p> <b> <i>Compsobuthus afghanus</i> sp. n.</b> (Afghanistan) <i>Compsobuthus andresi</i> Lourenço, 2004 (India) <i>Compsobuthus becvari</i> Kovařík, 2003 (Pakistan) <i>Compsobuthus garyi</i> Lourenço et Vachon, 2001 (Iran) <i>Compsobuthus humaae</i> Amir et al., 2005 (Pakistan) <i>Compsobuthus jakesi</i> Kovařík, 2003 (Iraq) <i>Compsobuthus kafkai</i> Kovařík, 2003 (Iran) <i>Compsobuthus kaftani</i> Kovařík, 2003 (Iran) <i>Compsobuthus matthiesseni</i> (Birula, 1905) (Iraq, Iran, Syria, Turkey)</p> <p> <b> <i>Compsobuthus pakistanus</i> sp. n.</b> (Pakistan)</p> <p> <i>Compsobuthus petriolii</i> Vignoli, 2005 (Iran)</p> <p> <i>Compsobuthus plutenkoi</i> Kovařík, 2003 (Iran)</p> <p> <i>Compsobuthus rugosulus</i> (Pocock, 1900) (India, Pakistan)</p> <p> <i>Compsobuthus sobotniki</i> Kovařík, 2003 (Iran)</p> <p> <i>Compsobuthus tofti</i> Lourenço, 2001 (Afghanistan)</p>Published as part of <i>Kovařík, František & Ahmed, Zubair, 2007, Two new species of the genus Compsobuthus Vachon, 1949 from Afghanistan and Pakistan (Scorpiones: Buthidae), pp. 1-6 in Euscorpius 53 (53)</i> on pages 5-6, DOI: 10.18590/euscorpius.2007.vol2007.iss53.1, <a href="http://zenodo.org/record/4649029">http://zenodo.org/record/4649029</a>
House, Houston, Texas
No full textFor similar photo by Vachon in b&w, see LC-USW3-027920-D "Houston, Tex. Old house and fruit stand."B&w photograph in Lot 12002-59.Transfer; FSA-OWI; 1944
A Mining Town in 1940, Keystone SD, Pennington County
No full text8 x 10 b/w photo, small, one-story wooden buildings lining an unpaved streetTowns Kadoka - Lead P20 Poster board Keystone, SD [stamp] Property of: South Dakota State Historical Society Pierre, South Dakota. [stamp] Give photo credit to : South Dakota State Historical Society. USF34-61904-DKeystone, SD. Nov. 1940. A gold mining town. Vachon
Beauty Shop in the Hills, Keystone SD, Pennington County
No full text8 x 10 b/w photo, small, one-story wood buildings along an unpaved street, a goat is visible in the lower left corner, a sign on the building in the foreground reads "Beauty Shop"Towns Kadoka - Lead P20 Poster board Keystone, SD [stamp] Property of: South Dakota State Historical Society Pierre, South Dakota. [stamp] Give photo credit to : South Dakota State Historical Society. USF34-61905-DKeystone, SD. Nov. 1940. A gold mining town. Vachon
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