177,046 research outputs found

    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

    "Closing the R&D Gap, Evaluating the Sources of R&D Spending"

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    Both 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

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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

    Orbital compartment syndrome following transvenous embolization of carotid-cavernous fistula

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    Case ReportSuperior ophthalmic vein (SOV) thrombosis is a rare complication of carotid-cavernous fistula (CCF) embolization and is usually associated with a paradoxical worsening of signs followed by subsequent spontaneous resolution. We report a case in a 69-year-old female who developed orbital compartment syndrome due to SOV thrombosis following transvenous embolization of an indirect CCF. The patient was treated with an urgent lateral canthotomy and cantholysis and had good recovery. This report demonstrates that the paradoxical worsening due to SOV thrombosis in CCF may result in orbital compartment syndrome and require early recognition and prompt decompressive measures to avoid permanent visual sequelae.Paul Ikgan Sia, David Ik Tuo Sia, Rebecca Scroop, and Dinesh Selv

    Letter from R. R. Zellick, Assistant Trust Officer, Anglo California National Bank of San Francisco, to Joseph R. Goodman, October 2, 1942

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    Letter 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

    Dispelling the Myths Behind First-author Citation Counts

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    We 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

    Liftings for noncomplete probability spaces

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    The current state of knowledge concerning liftings for noncomplete probability spaces is discussed. This is a somewhat expanded version of the author's talk given at the 1991 Summer Conference on General Topology and Applications in Honor of Mary Ellen Rudin and Her Work.PT: S; CR: BURKE MR, IN PRESS P AM MATH S BURKE MR, 1991, ISRAEL J MATH, V73, P33 BURKE MR, 1992, ISRAEL J MATH, V79, P289 CARLSON T, THEOREM LIFTING CHRISTENSEN JPR, 1974, TOPOLOGY BOREL STRUC FREMLIN DH, 1989, HDB BOOLEAN ALGEBRAS, P877 INOESCUTULCEA A, 1966, 5TH P BERK S MATH ST, V2 IONESCUTULCEA A, 1967, CONTRIBUTIONS PROB 1, P63 IONESCUTULCEA A, 1969, TOPICS THEORY LIFTIN JECH TJ, 1978, SET THEORY JOHNSON RA, 1980, P AM MATH SOC, V80, P234 JUST W, IN PRESS T AM MATH S KUPKA J, 1983, INDIANA U MATH J, V32, P717 LOSERT V, 1983, LNM, V1080, P95 MAHARAM D, 1958, P AM MATH SOC, V9, P987 SHELAH S, 1983, ISRAEL J MATH, V45, P90 TALAGRAND M, 1982, P AM MATH SOC, V84, P379 VONNEUMANN J, 1931, CRELLES J MATH, V165, P109; NR: 18; TC: 0; J9: ANN N Y ACAD SCI; PG: 4; GA: BZ86BSource type: Electronic(1

    Hansen, Lee (Lee R.). Union, non-union, and managerial pay plan state employees, 2008-2019

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    1 online resource (2 pages)"July 1, 2021."Provides the number of union and non-union state employees in each of the last 14 years. Also provides the number of state employees paid under the state's managerial pay plan during each of those years. Updates OLR research report 2019-R-011

    Effect of a synthetic progestin on the exercise status of sedentary young women

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    Copyright © 2005 by The Endocrine SocietyContext: The impact of progestins on exercise performance in women has not been previously studied. Objective: The objective of this study was to examine the effect of a synthetic progestin on aspects of exercise status in young women. Design, Patients, Setting: Twenty-three young, healthy, habitually sedentary women participated in a single-blind, randomized, counterbalanced, cross-over study in a university-based laboratory setting. Intervention: Two monophasic oral contraceptive pills (OCPs) were administered in which the dose of the synthetic progestin, norethisterone, was 2-fold different but the dose of the synthetic estrogen, ethinyl estradiol, was constant. During each month of OCP aspects of exercise status were assessed during incremental exercise to exhaustion and steady-state submaximal exercise and with a performance test. Main Outcome Measures: The main outcome measures were peak oxygen uptake (O2peak), respiratory exchange ratio (RER), time to exhaustion, lactate concentrations, and total work done. Results: Peak heart rates were approximately 95% of age-predicted values with both OCP preparations, whereas O2peak was approximately 30% above age-predicted values. Peak postincremental exercise plasma lactate concentrations exceeded those reported for males and females, whereas the RER was below expected values throughout both incremental and steady-state exercise. The effects on O2peak and RER were increased with the higher dose progestin OCP, as were exercise time to exhaustion and total work done.Leanne M. Redman, Garry C. Scroop, Goran Westlander, and Robert J. Norma
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