Video/Slides upload Title: WFApprox: Approximate Window Functions Processing Authors: Chunbo Lin, Jingdong Li, Xiaoling Wang, Xingjian Lu and Ji Zhang Paper ID: (Paper ID given by EasyChair/CMT. This number will be used for author verification.) Video file: Uploaded and private public access author access only Slide file: Uploaded and author access only public access author access only Submit