Search (11 results, page 1 of 1)

  • × author_ss:"Chen, C."
  1. Chen, C.: Global access to Library of Congress' digital resources : National Digital Library and Internet resources (1996) 0.02 
    0.021490699 = product of:
  0.064472094 = sum of:
    0.064472094 = weight(_text_:management in 6370) [ClassicSimilarity], result of:
      0.064472094 = score(doc=6370,freq=2.0), product of:
        0.17312427 = queryWeight, product of:
          3.3706124 = idf(docFreq=4130, maxDocs=44218)
          0.051362853 = queryNorm
        0.37240356 = fieldWeight in 6370, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3706124 = idf(docFreq=4130, maxDocs=44218)
          0.078125 = fieldNorm(doc=6370)
  0.33333334 = coord(1/3)
    Source
    Microcomputers for information management. 13(1996) no.1, S.57-76
  2. Chen, C.: Top Ten Problems in Visual Interfaces to Digital Libraries (2002) 0.02 
    0.019682907 = product of:
  0.059048716 = sum of:
    0.059048716 = product of:
      0.11809743 = sum of:
        0.11809743 = weight(_text_:22 in 4840) [ClassicSimilarity], result of:
          0.11809743 = score(doc=4840,freq=4.0), product of:
            0.17986396 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051362853 = queryNorm
            0.6565931 = fieldWeight in 4840, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.09375 = fieldNorm(doc=4840)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Date
    22. 2.2003 17:25:39
    22. 2.2003 18:13:11
  3. Börner, K.; Chen, C.: Visual Interfaces to Digital Libraries : Motivation, Utilization, and Socio-technical Challenges (2002) 0.02 
    0.019682907 = product of:
  0.059048716 = sum of:
    0.059048716 = product of:
      0.11809743 = sum of:
        0.11809743 = weight(_text_:22 in 1359) [ClassicSimilarity], result of:
          0.11809743 = score(doc=1359,freq=4.0), product of:
            0.17986396 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051362853 = queryNorm
            0.6565931 = fieldWeight in 1359, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.09375 = fieldNorm(doc=1359)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Date
    22. 2.2003 17:25:39
    22. 2.2003 18:20:07
  4. Chen, C.: Encarta und The Grolier Multimedia Encyclopedia : additional comments from the journal editor (1995) 0.02 
    0.01719256 = product of:
  0.051577676 = sum of:
    0.051577676 = weight(_text_:management in 4504) [ClassicSimilarity], result of:
      0.051577676 = score(doc=4504,freq=2.0), product of:
        0.17312427 = queryWeight, product of:
          3.3706124 = idf(docFreq=4130, maxDocs=44218)
          0.051362853 = queryNorm
        0.29792285 = fieldWeight in 4504, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3706124 = idf(docFreq=4130, maxDocs=44218)
          0.0625 = fieldNorm(doc=4504)
  0.33333334 = coord(1/3)
    Source
    Microcomputers for information management. 12(1995) no.3, S.215-220
  5. Chen, C.; Rada, R.: ¬A conceptual model for supporting collaborative authoring and use (1994) 0.01 
    0.0065674796 = product of:
  0.019702438 = sum of:
    0.019702438 = product of:
      0.039404877 = sum of:
        0.039404877 = weight(_text_:system in 7554) [ClassicSimilarity], result of:
          0.039404877 = score(doc=7554,freq=2.0), product of:
            0.16177002 = queryWeight, product of:
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.051362853 = queryNorm
            0.2435858 = fieldWeight in 7554, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.0546875 = fieldNorm(doc=7554)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Abstract
    This paper discusses some problems encountered in hypermedia-based collaboration and reuse, and presents a conceptual framework to resolve these problems. Three suggestions are made based on the discussion: (1) extra organizational structures are necessary in shared hypermedia to support collaborative interactions; (2) an abstract schema is a key to capture the dynamic nature of the shared hypermedia; (3) an integration of the schema evolution approach and the workflow approach is recommended for an open system hypermedia teamwork support. The whole authoring environment is divided into several component spaces with particular respect to the Dexter Hypertext Reference Model. Not only can this separation reduce the overall complexitiy of working within such an environment, but it also conforms more closely with human cognitive needs in collaborative authoring and reuse activities
  6. Chen, C.: CiteSpace II : detecting and visualizing emerging trends and transient patterns in scientific literature (2006) 0.01 
    0.0057991315 = product of:
  0.017397394 = sum of:
    0.017397394 = product of:
      0.03479479 = sum of:
        0.03479479 = weight(_text_:22 in 5272) [ClassicSimilarity], result of:
          0.03479479 = score(doc=5272,freq=2.0), product of:
            0.17986396 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051362853 = queryNorm
            0.19345059 = fieldWeight in 5272, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5272)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Date
    22. 7.2006 16:11:05
  7. Liu, S.; Chen, C.: ¬The differences between latent topics in abstracts and citation contexts of citing papers (2013) 0.01 
    0.0057991315 = product of:
  0.017397394 = sum of:
    0.017397394 = product of:
      0.03479479 = sum of:
        0.03479479 = weight(_text_:22 in 671) [ClassicSimilarity], result of:
          0.03479479 = score(doc=671,freq=2.0), product of:
            0.17986396 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051362853 = queryNorm
            0.19345059 = fieldWeight in 671, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=671)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Date
    22. 3.2013 19:50:00
  8. Chen, C.; Czerwinski, M.: Spatial ability and visual navigation : an empirical study (1997) 0.01 
    0.0056292685 = product of:
  0.016887804 = sum of:
    0.016887804 = product of:
      0.03377561 = sum of:
        0.03377561 = weight(_text_:system in 2914) [ClassicSimilarity], result of:
          0.03377561 = score(doc=2914,freq=2.0), product of:
            0.16177002 = queryWeight, product of:
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.051362853 = queryNorm
            0.20878783 = fieldWeight in 2914, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.046875 = fieldNorm(doc=2914)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Abstract
    Describes a study of individuals' spatial navigation strategies and a number of performance and preference measures with regard to the design of a 3D visualisation. The underlying semantic space of the user interface consists of a collection of papers from the 3 most recent ACM SIGCHI conference proceedings, visualised as a virtual reality network. This network was automatically constructed based on semantic similarities derived from latent semantic analysis. The project studied the search strategies and general preferences of 11 subjects who used this system to find papers on various topics. The findings should be valuable for designers and evaluators of 3D user interfaces. The results highlight the importance of structural elements in the design of a semantically based user interface, because search strategies of users relied heavily on these mechanisms in the design. Describes the implications for user interface design based on users' psychological models of a semantic space
  9. Chen, C.; Czerwinski, M.; Macredie, R.: Individual differences in virtual environments : introduction and overview (2000) 0.00 
    0.004691057 = product of:
  0.01407317 = sum of:
    0.01407317 = product of:
      0.02814634 = sum of:
        0.02814634 = weight(_text_:system in 4600) [ClassicSimilarity], result of:
          0.02814634 = score(doc=4600,freq=2.0), product of:
            0.16177002 = queryWeight, product of:
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.051362853 = queryNorm
            0.17398985 = fieldWeight in 4600, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4600)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Abstract
    The practical significances of identifying and accomodating individual differences has been established across a number of fields of research. There is a renewed interest in individual differences due to the advances in virtual environments, especially through far-reaching technologies such as information visualization and 3D graphical user interfaces on the WWW. The effects of individual differences on the use of these new technologies are yet to be found out. More fundamentally, theories and methods developed for the earlier generations of information systems are subject to a close examination of their applicability, efficiency, and effectiveness. In this article, we present a brief historical overview of research in in individual differences in the context of virtual environments. In particular, we highlight the notion of structure in the perception of individual users of an information system and the role of individuals' abilities to recognize and use such structures to perform various information-intensive tasks. Striking the balance between individuals' abilities and the demanding task for detecting, understanding, and utilizing such structures is an emerging theme across the 5 articles in this special issue. We outline the approaches and the major findings of these articles with reference to this central theme
  10. Ping, Q.; He, J.; Chen, C.: How many ways to use CiteSpace? : a study of user interactive events over 14 months (2017) 0.00 
    0.004691057 = product of:
  0.01407317 = sum of:
    0.01407317 = product of:
      0.02814634 = sum of:
        0.02814634 = weight(_text_:system in 3602) [ClassicSimilarity], result of:
          0.02814634 = score(doc=3602,freq=2.0), product of:
            0.16177002 = queryWeight, product of:
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.051362853 = queryNorm
            0.17398985 = fieldWeight in 3602, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3602)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Abstract
    Using visual analytic systems effectively may incur a steep learning curve for users, especially for those who have little prior knowledge of either using the tool or accomplishing analytic tasks. How do users deal with a steep learning curve over time? Are there particularly problematic aspects of an analytic process? In this article we investigate these questions through an integrative study of the use of CiteSpace-a visual analytic tool for finding trends and patterns in scientific literature. In particular, we analyze millions of interactive events in logs generated by users worldwide over a 14-month period. The key findings are: (i) three levels of proficiency are identified, namely, level 1: low proficiency, level 2: intermediate proficiency, and level 3: high proficiency, and (ii) behavioral patterns at level 3 are resulted from a more engaging interaction with the system, involving a wider variety of events and being characterized by longer state transition paths, whereas behavioral patterns at levels 1 and 2 seem to focus on learning how to use the tool. This study contributes to the development and evaluation of visual analytic systems in realistic settings and provides a valuable addition to the study of interactive visual analytic processes.
  11. He, J.; Ping, Q.; Lou, W.; Chen, C.: PaperPoles : facilitating adaptive visual exploration of scientific publications by citation links (2019) 0.00 
    0.004691057 = product of:
  0.01407317 = sum of:
    0.01407317 = product of:
      0.02814634 = sum of:
        0.02814634 = weight(_text_:system in 5326) [ClassicSimilarity], result of:
          0.02814634 = score(doc=5326,freq=2.0), product of:
            0.16177002 = queryWeight, product of:
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.051362853 = queryNorm
            0.17398985 = fieldWeight in 5326, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5326)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Abstract
    Finding relevant publications is a common task. Typically, a researcher browses through a list of publications and traces additional relevant publications. When relevant publications are identified, the list may be expanded by the citation links of the relevant publications. The information needs of researchers may change as they go through such iterative processes. The exploration process quickly becomes cumbersome as the list expands. Most existing academic search systems tend to be limited in terms of the extent to which searchers can adapt their search as they proceed. In this article, we introduce an adaptive visual exploration system named PaperPoles to support exploration of scientific publications in a context-aware environment. Searchers can express their information needs by intuitively formulating positive and negative queries. The search results are grouped and displayed in a cluster view, which shows aspects and relevance patterns of the results to support navigation and exploration. We conducted an experiment to compare PaperPoles with a list-based interface in performing two academic search tasks with different complexity. The results show that PaperPoles can improve the accuracy of searching for the simple and complex tasks. It can also reduce the completion time of searching and improve exploration effectiveness in the complex task. PaperPoles demonstrates a potentially effective workflow for adaptive visual search of complex information.

Authors

Years

Themes