Scott Lupton, Hironori Washizaki, Nobukazu Yoshioka and Yoshiaki Fukazawa, “Literature Review on Log Anomaly Detection Approaches Utilizing Online Parsing Methodology,” The 28th Asia-Pacific Software Engineering Conference (APSEC 2021), ERA (Early Research Achievements) track, pp. 1-5, 6th – 9th December 2021 – Virtual (CORE Rank B)