Engage the Public: Poll Question Generation for Social Media Posts Zexin Lu1 Keyang Ding1 Yuji Zhang1 Jing Li1∗ Baolin Peng2 Lemao Liu3 1Department of Computing, The Hong Kong Polytechnic University, HKSAR, China 2Microsoft Research, Redmond, WA 3Tencent AI Lab, Shenzhen, China 1fzexin.lu, keyang.ding,
[email protected] [email protected] [email protected] [email protected] Abstract [P1]: ...B站市<超Ç1Gz (The market value of B site exceeds iQiyi)... This paper presents a novel task to generate [Q1]: `们s时8(£*app看Æ频? (Which app do poll questions for social media posts. It offers you usually use to watch videos?) [A ] ~¯Æ频 Tencent Video 优w Youku 1Gz an easy way to hear the voice from the pub- 1 : ( ); ( ); (iQiyi); B站 (B site) lic and learn from their feelings to important [P2]: ...理 ' 分 析 一 下 u ¤ 和 希 林 娜 依 高 : 希 social topics. While most related work tack- 林vocaln实厉³,F/...舞H实力有¹不够看;u les formally-written texts (e.g., exam papers), ¤b舞H厉³...F/1L实力较1些... (A rational we generate poll questions for short and collo- analysis of Akira and Curley G: Curley’s vocal is indeed quial social media messages exhibiting severe great, but ... her dancing is not that good; Akira dances data sparsity. To deal with that, we propose to well ... but her singing is weaker...) 谁更适合S M? encode user comments and discover latent top- [Q2]: c (Who should take the center position?) ics therein as contexts. They are then incorpo- [A2]: u¤ (Akira); 希林娜依高 (Curley G) rated into a sequence-to-sequence (S2S) archi- tecture for question generation and its exten- Figure 1: Example polls from Sina Weibo.