中国科学院自动化研究所机构知识库

In recent years，with the rapid development of Internet，more and more social networking sites appear and allow users to conveniently share their ideas，pictures，posts，and activities．Therefore，when a popular event is happening around us， it can spread very fast in different social media sites with substantial amounts of multimedia data including images，videos，and texts．Therefore， it is important and necessary to conduct the research of multimedia social event analysis to know the evolutionary trend of social event over time automatically．This paper provides a survey and summarizes major progresses in multimedia social event analysis．We focus on four areas: ( 1) multimedia social event representation; ( 2) multimedia social event detection and tracking; ( 3) multimedia social event evolutionary analysis; and ( 4) multimedia social event topic-opinion analysis．Then the development trend of multimedia social event analysis is highlighted．Finally， the possible future research topics in multimedia social event analysis are prospected．