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Identifying The Large-Scale Structure Of The Blogosphere

Author

Listed:
  • MAKOTO UCHIDA

    (School of Engineering, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8568, Japan)

  • NAOKI SHIBATA

    (School of Engineering, The University of Tokyo, 2-11-16 Yayoi, Bunkyo, Tokyo 113-8656, Japan)

  • YUYA KAJIKAWA

    (School of Engineering, The University of Tokyo, 2-11-16 Yayoi, Bunkyo, Tokyo 113-8656, Japan)

  • YOSHIYUKI TAKEDA

    (School of Engineering, The University of Tokyo, 2-11-16 Yayoi, Bunkyo, Tokyo 113-8656, Japan)

  • SUSUMU SHIRAYAMA

    (Research into Artifacts, Center for Engineering (RACE), The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8568, Japan)

  • KATSUMORI MATSUSHIMA

    (School of Engineering, The University of Tokyo, 2-11-16 Yayoi, Bunkyo, Tokyo 113-8656, Japan)

Abstract

We analyze a topological structure of networks formed according to the entries and trackbacks in the blogosphere, which is a collection of weblog articles. The analysis is performed based on community extraction, network visualization and keyword analysis. It is shown that the large-scale structure of the blogosphere has a globally sparse, but locally dense structure. The entries in a community yield a dense structure while the trackbacks that interconnect communities are sparse. The visualized results show sparkling-firework-like patterns. We then attempt to characterize the communities using a tf-idf technique. It is found that specific topics are discussed in each community. These results will help us to identify the communities in which certain specific topics discussed and to detect trends in the blogosphere.

Suggested Citation

  • Makoto Uchida & Naoki Shibata & Yuya Kajikawa & Yoshiyuki Takeda & Susumu Shirayama & Katsumori Matsushima, 2009. "Identifying The Large-Scale Structure Of The Blogosphere," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 12(02), pages 207-219.
    • Handle: RePEc:wsi:acsxxx:v:12:y:2009:i:02:n:s0219525909002167
    DOI: 10.1142/S0219525909002167
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