PushGen: Push Notifications Generation with LLM. - Shifu Bie; Jiangxia Cao; Zixiao Luo; Yichuan Zou; Lei Liang; Lu Zhang 084; Linxun Chen; Zhaojie Liu; Xuanping Li; Guorui Zhou; Kaiqiao Zhan; Kun Gai (WSDM, 2026)