Cost-efficient Crowdsourcing for Span-based Sequence Labeling:Worker Selection and Data Augmentation Yujie Wang author Chao Huang author Liner Yang author Zhixuan Fang author Yaping Huang author Yang Liu author Jingsi Yu author Erhong Yang author 2024-07 text eng Proceedings of the 23rd Chinese National Conference on Computational Linguistics (Volume 1: Main Conference) Sun Maosong editor Liang Jiye editor Han Xianpei editor Liu Zhiyuan editor He Yulan editor Chinese Information Processing Society of China Taiyuan, China conference publication yujie-etal-2024-cost https://aclanthology.org/2024.ccl-1.96/ 2024-07 1239 1256