Search (3 results, page 1 of 1)

  • × author_ss:"Chen, C."
  • × theme_ss:"Citation indexing"
  1. Chen, C.; Paul, R.J.; O'Keefe, B.: Fitting the Jigsaw of citation : information visualization in domain analysis (2001) 0.00
    4.2027488E-4 = product of:
      0.009666322 = sum of:
        0.009666322 = product of:
          0.019332644 = sum of:
            0.019332644 = weight(_text_:29 in 5766) [ClassicSimilarity], result of:
              0.019332644 = score(doc=5766,freq=2.0), product of:
                0.08290443 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.023567878 = queryNorm
                0.23319192 = fieldWeight in 5766, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5766)
          0.5 = coord(1/2)
      0.04347826 = coord(1/23)
    
    Date
    29. 9.2001 14:00:53
  2. Chen, C.; Cribbin, T.; Macredie, R.; Morar, S.: Visualizing and tracking the growth of competing paradigms : two case studies (2002) 0.00
    2.0495258E-4 = product of:
      0.0047139092 = sum of:
        0.0047139092 = product of:
          0.0094278185 = sum of:
            0.0094278185 = weight(_text_:1 in 602) [ClassicSimilarity], result of:
              0.0094278185 = score(doc=602,freq=2.0), product of:
                0.057894554 = queryWeight, product of:
                  2.4565027 = idf(docFreq=10304, maxDocs=44218)
                  0.023567878 = queryNorm
                0.16284466 = fieldWeight in 602, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4565027 = idf(docFreq=10304, maxDocs=44218)
                  0.046875 = fieldNorm(doc=602)
          0.5 = coord(1/2)
      0.04347826 = coord(1/23)
    
    Abstract
    In this article we demonstrate the use of an integrative approach to visualizing and tracking the development of scientific paradigms. This approach is designed to reveal the long-term process of competing scientific paradigms. We assume that a cluster of highly cited and cocited scientific publications in a cocitation network represents the core of a predominant scientific paradigm. The growth of a paradigm is depicted and animated through the rise of citation rates and the movement of its core cluster towards the center of the cocitation network. We study two cases of competing scientific paradigms in the real world: (1) the causes of mass extinctions, and (2) the connections between mad cow disease and a new variant of a brain disease in humans-vCJD. Various theoretical and practical issues concerning this approach are discussed.
  3. Chen, C.: Mapping scientific frontiers : the quest for knowledge visualization (2003) 0.00
    1.9323116E-4 = product of:
      0.0044443165 = sum of:
        0.0044443165 = product of:
          0.008888633 = sum of:
            0.008888633 = weight(_text_:1 in 2213) [ClassicSimilarity], result of:
              0.008888633 = score(doc=2213,freq=4.0), product of:
                0.057894554 = queryWeight, product of:
                  2.4565027 = idf(docFreq=10304, maxDocs=44218)
                  0.023567878 = queryNorm
                0.15353142 = fieldWeight in 2213, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  2.4565027 = idf(docFreq=10304, maxDocs=44218)
                  0.03125 = fieldNorm(doc=2213)
          0.5 = coord(1/2)
      0.04347826 = coord(1/23)
    
    Footnote
    Rez. in: JASIST 55(2004) no.4, S.363-365 (J.W. Schneider): "Theories and methods for mapping scientific frontiers have existed for decades-especially within quantitative studies of science. This book investigates mapping scientific frontiers from the perspective of visual thinking and visual exploration (visual communication). The central theme is construction of visual-spatial representations that may convey insights into the dynamic structure of scientific frontiers. The author's previous book, Information Visualisation and Virtual Environments (1999), also concerns some of the ideas behind and possible benefits of visual communication. This new book takes a special focus an knowledge visualization, particularly in relation to science literature. The book is not a technical tutorial as the focus is an principles of visual communication and ways that may reveal the dynamics of scientific frontiers. The new approach to science mapping presented is the culmination of different approaches from several disciplines, such as philosophy of science, information retrieval, scientometrics, domain analysis, and information visualization. The book therefore addresses an audience with different disciplinary backgrounds and tries to stimulate interdisciplinary research. Chapter 1, The Growth of Scientific Knowledge, introduces a range of examples that illustrate fundamental issues concerning visual communication in general and science mapping in particular. Chapter 2, Mapping the Universe, focuses an the basic principles of cartography for visual communication. Chapter 3, Mapping the Mind, turns the attention inward and explores the design of mind maps, maps that represent our thoughts, experience, and knowledge. Chapter 4, Enabling Techniques for Science Mapping, essentially outlines the author's basic approach to science mapping.
    Isbn
    1-85233-494-0