Dr. Chanchal Roy has developed pioneering work in the area of software maintenance and evolution. In particular, he has produced breakthrough research in software clone detection, analysis and management, with particular emphasis on large gapped clone detection in ultra large software repositories. His work has had a substantial impact on the cloning community.
Dr. Roy has been also conducting breakthrough research in other areas of software engineering, including but not limited to building recommender systems (e.g., context-sensitive code completion, reviewer recommendation systems, experts recommendation systems), software quality, mining software repositories, empirical software engineering, crowdsourcing, Big Data analytics in the cloud for plant phenotyping, and Big Data frameworks and analysis systems for water security.
His research has had a profound impact on his students, his department, his university, and the international community.