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Visualizing a cocitation network is an important technique employed by information scientists to illustrate the intellectual structure of a knowledge domain. A cocitation network is usually visualized by drawing an undirected arc between two articles that are cocited by other papers. The contextual information, i.e., information regarding papers citing these cocited articles, is suppressed and therefore...
The relationships between documents are usually derived by accounting on the links between them. These linkages may take the form of citation, cocitation, hyperlink, or co-terms. The relatedness between documents is derived from link analysis, which is widely used in the information science disciplines. We use kernel functions to overcome the limitations of the relatedness measurement based on cocitation...
Revealing themes and trends in scientific work are important research tasks. However, the challenging effort is to make knowledge visualization distinct and straightforward to interpret. In this paper, different perspectives and methods were introduced to analyze leading projects and research theme. Factor analysis and pathfinder network were carried out to picture research directions by clustering...
The visualization of a cocitation network is a useful technique for information scientists. The technique will help to illustrate the intellectual structure of a given knowledge domain. We hope our results will improve on current tools with regard to user interface interactivity and scale better for larger data sets. We developed a tool, with the visualizing cocitation network in mind, by using an...
This paper illustrates how to clarify a new research topic - knowledge visualization - in terms of analyzing a vast amount of citations related to this field. The study presents a method that may help scholars who are interested in an inter-disciplinary and not-well-understood research area, such as knowledge visualization by revealing for them the underlying disciplines that a particular research...
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