Efficient mining regularly frequent patterns in transactional databases

  • Authors:
  • Md. Mamunur Rashid;Md. Rezaul Karim;Byeong-Soo Jeong;Ho-Jin Choi

  • Affiliations:
  • Dept. of Computer Engineering, Kyung Hee University, Kyunggi-do, Republic of Korea;Dept. of Computer Engineering, Kyung Hee University, Kyunggi-do, Republic of Korea;Dept. of Computer Engineering, Kyung Hee University, Kyunggi-do, Republic of Korea;Computer Science Dept., Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea

  • Venue:
  • DASFAA'12 Proceedings of the 17th international conference on Database Systems for Advanced Applications - Volume Part I
  • Year:
  • 2012

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Abstract

Finding interesting patterns plays an important role in several data mining applications, such as market basket analysis, medical data analysis, and others. The occurrence frequency of patterns has been regarded as an important criterion for measuring interestingness of a pattern in several applications. However, temporal regularity of patterns can be considered as another important measure for some applications. In this paper, we propose an efficient approach for miming regularly frequent patterns. As for temporal regularity measure, we use variance of interval time between pattern occurrences. To find regularly frequent patterns, we utilize pattern-growth approach according to user given min_support and max_variance threshold. Extensive performance study shows that our approach is time and memory efficient in finding regularly frequent patterns.