Prof. Keung's research interests encompass a wide range of domains, reflecting his expertise in various areas. These include software and systems engineering, data science, AI, FinTech, machine learning, blockchain systems for FinTech applications, deep learning, LLM applications, defect prediction, and empirical modeling and evaluation of complex systems. His diverse expertise has led to fruitful collaborations with numerous software companies and government departments across the Asia Pacific region. He has produced over 150 journal and conference research papers in top venues.

Moreover, Prof. Keung boasts an impressive history of forging strong partnerships with various companies spanning diverse industries, exemplifying his prowess in industry connections. These partnerships have yielded substantial external funding for research and development projects, amounting to approximately HK$20M+. His industry connection not only fosters significant engagement between academia and industry but also creates enhanced student internship and placement opportunities and promising job prospects for undergraduate students. As a result, the starting salaries for CS students have witnessed a remarkable year-on-year increase of over 15% for the past three years, reflecting the tangible impact of Dr. Keung's industry connections on their future careers.

Overall, Prof. Keung contributions as a researcher, mentor, educator, and collaborator have left a significant impact on the field of software engineering and computer science. His expertise, publications, and industry partnerships demonstrate his dedication to advancing research and fostering practical applications in various domains.