Based on the log mining algorithms published on the following papers:

[1] Adetokunbo AO Makanju, A Nur Zincir-Heywood, and Evangelos E Milios. Clustering event logs using iterative partitioning. In Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining, pages 1255–1264. ACM, 2009.

[2] Adetokunbo Makanju, A Nur Zincir-Heywood, and Evangelos E Milios. A lightweight algorithm for message type extraction in system application logs. Knowledge and Data Engineering, IEEE Transactions on, 24(11):1921–1936, 2012.