Extracting frequent connected subgraphs from large graph sets

  • Authors:
  • Wei Wang;Qing-Qing Yuan;Hao-Feng Zhou;Ming-Sheng Hong;Bai-Le Shi

  • Affiliations:
  • Department of Computing and Information Technology, Fudan University, Shanghai 200433. P.R. China;Department of Computing and Information Technology, Fudan University, Shanghai 200433. P.R. China;Department of Computing and Information Technology, Fudan University, Shanghai 200433. P.R. China;Department of Computing and Information Technology, Fudan University, Shanghai 200433. P.R. China;Department of Computing and Information Technology, Fudan University, Shanghai 200433. P.R. China

  • Venue:
  • Journal of Computer Science and Technology
  • Year:
  • 2004

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Abstract

Mining frequent patterns from datasets is one of the key success of data mining research. Currently, most of the studies focus on the data sets in which the elements are independent, such as the items in the marketing basket. However, the objects in the real world often have close relationship with each other. How to extract frequent patterns from these relations is the objective of this paper. The authors use graphs to model the relations, and select a simple type for analysis. Combining the graph theory and algorithms to generate frequent patterns, a new algorithm called Topology, which can mine these graphs efficiently, has been proposed. The performance of the algorithm is evaluated by doing experiments with synthetic datasets and real data. The experimental results show that Topology can do the job well. At the end of this paper, the potential improvement is mentioned.