She works in the broad area of multimedia machine learning and data mining, multimedia security and forensics, geoinformatics, and applied biomedical informatics. She is the current Chair of IEEE Technical Committee on Multimedia Computing and is a former Chair of IEEE Technical Committee on Semantic Computing (TCSEM). She served as a conference General/Program chair for many IEEE conferences. She is the current Editor in Chief of International Journal of Multimedia Data Engineering and Management and an Associate Editor of IEEE Transactions on Dependable and Secure Computing. She was promoted to a SIRI Fellow (Society of Information Reuse and Integration) in 2020.