1,725,322 research outputs found

    How I Teach: Frederick R. Cohen

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    Frederick R. Cohen is a member of the Department of Mathematic

    L. Delaporte, E. Drioton, A. Piganiol, R. Cohen. — Atlas historique

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    Dussaud René. L. Delaporte, E. Drioton, A. Piganiol, R. Cohen. — Atlas historique. In: Syria. Tome 19 fascicule 2, 1938. pp. 179-180

    G. Glotz (avec la collaboration R. Cohen). La Grèce au Ve siècle, 1931

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    Demangel Robert. G. Glotz (avec la collaboration R. Cohen). La Grèce au Ve siècle, 1931. In: Journal des savants, Avril 1932. pp. 176-177

    R. Cohen, La Grèce et l'hellénisation du monde antique (collection « Clio », 2), 1934

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    Radet Georges. R. Cohen, La Grèce et l'hellénisation du monde antique (collection « Clio », 2), 1934. In: Revue des Études Anciennes. Tome 36, 1934, n°4. pp. 527-528

    Atlas historique : l. L'Antiquité, par L. Delaporte, E. Drioton, A. Piganiol et R. Cohen

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    Merlin Alfred. Atlas historique : l. L'Antiquité, par L. Delaporte, E. Drioton, A. Piganiol et R. Cohen. In: Journal des savants, Juillet-août 1938. p. 181

    R. Cohen, La Grèce et l'hellénisation du monde antique (collection « Clio », 2), 1934

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    Radet Georges. R. Cohen, La Grèce et l'hellénisation du monde antique (collection « Clio », 2), 1934. In: Revue des Études Anciennes. Tome 36, 1934, n°4. pp. 527-528

    Rindfuss (Ronald R.), Cohen (Barry), Lee (Ronald D.), Sandefur (Gary D.) — Changing numbers, changing needs

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    Houdaille Jacques. Rindfuss (Ronald R.), Cohen (Barry), Lee (Ronald D.), Sandefur (Gary D.) — Changing numbers, changing needs. In: Population, 52ᵉ année, n°2, 1997. pp. 469-470

    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
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