A Document as a Small World

نویسندگان

  • Yutaka Matsuo
  • Yukio Ohsawa
  • Mitsuru Ishizuka
چکیده

The small world topology is known widespread in biological, social and man-made systems. This paper shows that the small world structure also exists in documents, such as papers. A document is represented by a network; the nodes represent terms, and the edges represent the co-occurrence of terms. This network is shown to have the characteristics of being small world, i.e., highly clustered and short path length. Based on the topology, we can extract important terms, even if they are rare, by measuring their contribution to the graph being small world.

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تاریخ انتشار 2001