1,726,745 research outputs found
Martin N. Gaines, Lucius Pitkin, Inc.
No full textDonor: Colorado Mining Association.A portrait of Martin N. Gaines, Lucius Pitkin, Inc.Caption reads: "Martin N. Gaines, Project Manager, Lucius Pitkin, Inc.
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Chimpanzees and human evolution/ edited by Martin N. Muller, Richard W. Wrangham, and David R. Pilbeam.
No full textIncludes bibliographical references and index.Although chimpanzees and other primates are frequently used as models to reconstruct the behavior of extinct human ancestors, this is rarely done in a consistent or methodologically rigorous fashion. This volume brings together leading scholars to explore how knowledge about chimpanzees can be used to understand both what is unique about our own species, and how these traits evolved. The first part of the book makes the case that the last common ancestor of chimpanzees and humans was chimpanzee-like. This inference is based not on an assumption that chimpanzees are a model species, but on morphological, developmental, and genetic data, together with evidence from the hominin fossil record. The second part of the book provides the first detailed record of the similarities and differences between humans and chimpanzees, including those in social system, mating system, diet, social behavior, hunting, tool use, culture, cognition, and communication.--Martin N. Muller -- Reconstructing the last common ancestor of chimpanzees and humans / David R. Pilbeam and Daniel E. Lieberman -- Brian Hare and Richard W. Wrangham -- Martin N. Muller -- Michael D. Gurven and Cristina M. Gomes -- Melissa Emery Thompson and Peter T. Ellison -- Herman Pontzer -- Sherry V. Nelson and Marian I. Hamilton -- Rachel N. Carmody -- Brian M. Wood and Ian C. Gilby -- Martin N. Muller and David R. Pilbeam -- Bernard Chapais -- Michael l. Wilson and Luke Glowacki -- Richard W. Wrangham and Joyce Benenson -- Adrian V. Jaeggi, Paul l. Hooper, Ann E. Caldwell Hooper, Michael D. Gurven, Jane B. Lancaster and Hillard S. Kaplan -- Martin N. Muller -- Campbell Rolian and Susana Carvalho -- Joseph Henrich and Claudio Tennie -- Alexandra G. Rosati -- Christopher Boehm -- Katie E. Slocombe and Thom Scott Philips. Was the last common ancestor of chimpanzees and humans chimpanzee-like? -- Introduction: chimpanzees and human evolution / Equal, similar, but different: convergent bonobos and conserved chimpanzees / Chimpanzees and the evolution of human uniqueness -- Introduction: chimpanzees and human uniqueness / Mortality, senescence, and lifespan / Fertility and fecundity / Locomotor ecology and evolution in chimpanzees and humans / Evolution of the human dietary niche: initial transitions / Evolution of the human dietary niche: quest for high quality / From pan to man the hunter: hunting and meat sharing by chimpanzees, humans, and our common ancestor / The evolution of the human mating system / From chimpanzee society to human society: bridging the kinship gap / Violent cousins: chimpanzees, humans, and the roots of war / Cooperative and competitive relationships within sexes / Cooperation between the sexes / Sexual coercion in chimpanzees and humans / Tool use and manufacture in the last common ancestor of pan and homo / Cultural evolution in chimpanzees and humans / Chimpanzee cognition and the roots of the human mind / Ancestral precursors, social control, and social selection in the evolution of morals / Communication and language1 online resource (ix, 837 pages)
Variations on the Author
Full text link“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
Full text linkWe 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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe 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
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