%A GAO Li-zheng, ZHOU Gang, LUO Jun-yong, LAN Ming-jing %T Survey on Meta-event Extraction %0 Journal Article %D 2019 %J Computer Science %R 10.11896/j.issn.1002-137X.2019.08.002 %P 9-15 %V 46 %N 8 %U {https://www.jsjkx.com/CN/abstract/article_18438.shtml} %8 2019-08-15 %X Event extraction is an important branch of information extraction.It is widely used in intelligence collection,knowledge extraction,document summarization,question answering,etc.This paper presented a survey on meta-event extraction which attracts most attention in event extraction.It firstly interpreted the basic concepts of meta-event and meta-event extraction and briefly introduced the main implementation methods of meta-event extraction.Then it focused on the tasks of meta-event extraction,highlighted the task of meta-event identification,and briefly introduced other tasks.Finally,it summarized the problems of current meta-event extraction and predicted the trend of meta-event extraction