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## IntechOpen Book Series Artificial Intelligence

### Volume 24

### Aims and Scope of the Series

Artificial Intelligence (AI) is a rapidly developing multidisciplinary research area that aims to solve increasingly complex problems. In today's highly integrated world, AI promises to become a robust and powerful means for obtaining solutions to previously unsolvable problems. This Series is intended for researchers and students alike interested in this fascinating field and its many applications.

## Meet the Series Editor

Andries Engelbrecht received the Masters and Ph.D. degrees in Computer Science from the University of Stellenbosch, South Africa, in 1994 and 1999 respectively. He is currently appointed as the Voigt Chair in Data Science in the Department of Industrial Engineering, with a joint appointment as Professor in the Computer Science Division, Stellenbosch University. Prior to his appointment at Stellenbosch University, he has been at the University of

Pretoria, Department of Computer Science (1998-2018), where he was appointed as South Africa Research Chair in Artifical Intelligence (2007-2018), the head of the Department of Computer Science (2008-2017), and Director of the Institute for Big Data and Data Science (2017-2018). In addition to a number of research articles, he has written two books, Computational Intelligence: An Introduction and Fundamentals of Computational Swarm Intelligence.

## Meet the Volume Editor

Dr. Venkata Krishna Parimala is currently a Professor of Computer Science and Director for University Rankings at Sri Padmavati Mahila University, Tirupati, India. He received his BTech in Electronics and Communication Engineering from Sri Venkateswara University, Tirupathi, India; an MTech in Computer Science and Engineering from Regional Engineering College (REC), Calicut, India; and a Ph.D. from VIT University, Vellore, India. Dr. Krishna

has several years of experience working in academia, research, teaching, consultancy, academic administration, and project management roles. His current research interests include mobile and wireless systems, data science, explainable artificial intelligence (XAI), machine learning, and cloud computing. He is the recipient of several academic and research awards, such as the Cognizant Best Faculty Award for 2009–2010 and the 2021 Best Researcher Award from Sri Padmavati Mahila University. Recently Prof. Krishna was listed among the top 2% of scientists in the world by Stanford University, USA. He has authored more than 200 research papers in various national and international journals and conferences. He has delivered several keynote addresses and chaired sessions at reputed conferences. He is a senior member of several professional societies such as the Institute of Electrical and Electronics Engineers (IEEE), Association for Computing Machinery (ACM), Computer Society of India (CSI), Institution of Engineers (India) (IE(I)), and others.

### Contents



#### **Section 3** Anomaly Detection Models **139**

#### **Chapter 7 141**

Verification of Generalizability in Software Log Anomaly Detection Models *by Hironori Uchida, Keitaro Tominaga, Hideki Itai, Yujle Li and Yoshihisa Nakatoh*
