Multimodal Event Detection on Social Media

Zehang Lin received the Bachelor's degree from Guangdong Polytechnic Normal University (Guangdong, China), the Master's degree from Guangdong University of Technology (Guangdong, China), and the PhD degree from the Hong Kong Polytechnic University (Hong Kong SAR). He is currently a lecturer at Hanshan Normal University. His research work has been published in professional journals and conferences such as IEEE Transactions on Multimedia, ACM Multimedia (ACM MM), and Information Processing & Management (IPM). He has served as a reviewer for several top conferences and journals, including AAAI, ACM MM, ICME, ICMR, IPM, and IEEE TAI. His research interests include event detection, cross-domain retrieval, unsupervised learning, and deep learning applications.Qing Li received his BEng. degree from Hunan University (Changsha, China), MSc and PhD degrees from the University of Southern California (Los Angeles, USA), all in computer science. He is currently a Chair Professor at the Hong Kong Polytechnic University, a visiting professor of the Zhejiang University, a guest professor of the University of Science and Technology of China, and an adjunct professor of the Hunan University. His research interests include multi-modal data modeling, multimedia retrieval and management, and e-learning systems. Dr. Li has published over 500 papers in technical journals and international conferences in these areas, and is actively involved in the research community by serving as a journal reviewer, programme committee chair/co-chair, and as an organizer/co-organizer of several international conferences. Currently he serves as the Chairman of the Hong Kong Web Society, a councillor of the Database Society of Chinese Computer Federation, and a Steering Committee member of the international WISE Society. He is a Fellow of IEEE, AAIA, and IET.

• Chapter 1. Introduction.- Chapter 2. RelatedWork and Technical Foundations.- Chapter 3.- Multimodal Fusion with External Knowledge (MFEK).- Chapter 4.Self-supervised Modality Complementation (SSMC).- Chapter 5. Open-World Event Discovery (DAEO).- Chapter 6. Conclusion and Future Directions.