177,958 research outputs found
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe 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
"Sevilla. 1348. La Yucca, arbol raro de los jardines de San Telmo. J. Laurent. Madrid."
No full textdecoloracion en los bordes335x250 mm, copia a la albumina virada a sepia1.1.1. Su numero de registro topografico de compra de documentacion: R-4706Vista de una yucca de los jardines de San Telmo. Plantas nativas de Norte y CentroaméricaUnidad Documenta
"Closing the R&D Gap, Evaluating the Sources of R&D Spending"
No full textBoth spending and tax policies have been implemented in the United States with the goal of stimulating private sector research and development (R&D). Karier questions whether current R&D policy, especially the research and experimentation tax credit, can contribute to closing the gap between nondefense expenditures on R&D in the United States and such expenditures in other countries, such as Japan and Germany. He also explores possible changes to our current R&D policy to make it more effective.
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
Letter from R. R. Zellick, Assistant Trust Officer, Anglo California National Bank of San Francisco, to Joseph R. Goodman, October 2, 1942
No full textLetter from R. R. Zellick, Assistant Trust Officer at The Anglo California National Bank of San Francisco, to Joseph R. Goodman, regarding property owned by Dave Tatsuno. Zellick mentions a dispute between current tenants and Tatsuno, and that Tatsuno has asked Goodman to help locate trustworthy tenants.Personal correspondence, organizational records, government documents, publications, and other papers created or collected by Joseph R. Goodman documenting the forced removal and incarceration of Japanese Americans during World War II, as well as organized resistance to incarceration. Included in the collection are records of the Japanese Young Men's Christian Association and the Japanese American Citizens' League in San Francisco, including papers of the Japanese YMCA's executive secretary Lincoln Kanai; Sakai family papers; Goodman's correspondence to and from Japanese American incarcerees, organizations opposing forced removal and incarceration of Japanese Americans, the War Relocation Authority, and others; publications, photographs, and ephemera from the Topaz Relocation Center, where Goodman taught high school; War Relocation Authority records and publications; and newspaper clippings, pamphlets, and reports about forced removal and incarceration created by various government, religious, and civic organizations, in California and nationwide
Oxythyrea Mulsant 1842
No full text*Genus <i>Oxythyrea</i> Mulsant, 1842 <p>The genus was redefined by Antoine (1997) taking into account the structure of the male genitalia. This author listed all the African species known so far in the four subgenera of this genus. A total of ten species are recognized in the nominal subgenus (Beinhundner 2017a). The genus had never been registered for Angola so far.</p>Published as part of <i>Serrano, Artur R. M., Capela, Rúben A., Nunes, Telmo & Santos, Carmen Van-Dú- Nem Neto, 2020, The rose chafers (Coleoptera: Scarabaeidae: Cetoniinae) of Angola: a descriptive checklist with new records and synonymic notes, pp. 1-130 in Zootaxa 4776 (1)</i> on page 52, DOI: 10.11646/zootaxa.4776.1.1, <a href="http://zenodo.org/record/3821288">http://zenodo.org/record/3821288</a>
Taurhina Burmeister 1842
No full textGenus Taurhina Burmeister, 1842 The genus was revised together with related genera (e.g. Eudicella, Cyprolais, Mecynorrhina, Amaurodes) by Holm (1993b). Taurhina, as defined by this author, includes three subgenera (Neptunides Thomson, 1878, Rhamphorrhina Klug, 1855 and Taurhina). These taxa sometimes are treated at the subgenus level as was established by Holm (1993b) (e.g. Antoine & Minetti 2005; Beinhundner 2017a) or at the genus level (e.g. Krajcik 2008a). Here we follow the former criterion. Two species were previously recorded for Angola (Paulino de Oliveira 1882; Ferreira 1965). A new species record is given in this work.Published as part of Serrano, Artur R. M., Capela, Rúben A., Nunes, Telmo & Santos, Carmen Van-Dú- Nem Neto, 2020, The rose chafers (Coleoptera: Scarabaeidae: Cetoniinae) of Angola: a descriptive checklist with new records and synonymic notes, pp. 1-130 in Zootaxa 4776 (1) on page 105, DOI: 10.11646/zootaxa.4776.1.1, http://zenodo.org/record/382128
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
"Sevilla. 1347. El Zapote, arbol de veinte años, en los jardines de San Telmo. J. Laurent. Madrid."
No full textdecoloracion en los bordes335x250 mm, copia a la albumina virada a sepia1.1.1. Su numero de registro topografico de compra de documentacion: R-4705Vista de los jardines de San Telmo, junto a un zapote un hombre. El zapote es un arbol oriundo de AmericaUnidad Documenta
Dolichostethus Kolbe 1892
No full textGenus Dolichostethus Kolbe, 1892 The genus was revised by Antoine (1991a). Five valid species are recognized (Beinhundner 2017a) of which two were reported for Angola (Antoine 1991a).Published as part of Serrano, Artur R. M., Capela, Rúben A., Nunes, Telmo & Santos, Carmen Van-Dú- Nem Neto, 2020, The rose chafers (Coleoptera: Scarabaeidae: Cetoniinae) of Angola: a descriptive checklist with new records and synonymic notes, pp. 1-130 in Zootaxa 4776 (1) on page 25, DOI: 10.11646/zootaxa.4776.1.1, http://zenodo.org/record/382128
- …
