Industrial Engineering and Management Systems

Korean Institute of Industrial Engineers (대한산업공학회)
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Visualized Preference Transition Network Based on Recency and Frequency

  • Masruri, Farid (Department of Computer Science and Intelligent System Osaka Prefecture University) ;
  • Tsuji, Hiroshi (Department of Computer Science and Intelligent System Osaka Prefecture University) ;
  • Saga, Ryosuke (Department of Information and Computer Sciences Kanagawa Institute of Technology)
  • Received : 2011.03.17
  • Accepted : 2011.09.01
  • Published : 2011.12.01
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Abstract

Given a directed graph, we can determine how the user's preference moves from one product item to another. In this graph called "preference transition network", each node represents the product item while its edge pointing to the other nodes represents the transition of user's preference. However, with the large number of items make the network become more complex, unclear and difficult to be interpreted. In order to address this problem, this paper proposes a visualization technique in preference transition analysis based on recency and frequency. By adapting these two elements, the semantic meaning of each item and its transition can be clearly identified by its different types of node size, color and edge style. The experiment in a sales data has shown the results of the proposed approach.

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References

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