1 code implementation • ACL 2021 • Xiang Hu, Haitao Mi, Zujie Wen, Yafang Wang, Yi Su, Jing Zheng, Gerard de Melo
Human language understanding operates at multiple levels of granularity (e. g., words, phrases, and sentences) with increasing levels of abstraction that can be hierarchically combined.
no code implementations • COLING 2020 • Xiang Hu, Zujie Wen, Yafang Wang, Xiaolong Li, Gerard de Melo
In this work, we propose a reinforcement model to clarify ambiguous questions by suggesting refinements of the original query.
no code implementations • COLING 2020 • Wangshu Zhang, Junhong Liu, Zujie Wen, Yafang Wang, Gerard de Melo
We present a novel two-stage distillation method for ranking problems that allows a smaller student model to be trained while benefitting from the better performance of the teacher model, providing better control of the inference latency and computational burden.
no code implementations • COLING 2020 • Binxia Xu, Siyuan Qiu, Jie Zhang, Yafang Wang, Xiaoyu Shen, Gerard de Melo
Utterance classification is a key component in many conversational systems.
no code implementations • 13 Mar 2020 • Chang Xu, Cecile Paris, Surya Nepal, Ross Sparks, Chong Long, Yafang Wang
We address the issue of having a limited number of annotations for stance classification in a new domain, by adapting out-of-domain classifiers with domain adaptation.
no code implementations • 2 Mar 2020 • Liang Jiang, Zujie Wen, Zhongping Liang, Yafang Wang, Gerard de Melo, Zhe Li, Liangzhuang Ma, Jiaxing Zhang, Xiaolong Li, Yuan Qi
The long-term teacher draws on snapshots from several epochs ago in order to provide steadfast guidance and to guarantee teacher--student differences, while the short-term one yields more up-to-date cues with the goal of enabling higher-quality updates.
no code implementations • 24 Nov 2019 • Zining Liu, Chong Long, Xiaolu Lu, Zehong Hu, Jie Zhang, Yafang Wang
These observations suggest that our proposed method can seek the trade-off where both channel resources and customers' satisfaction are optimal.
no code implementations • 1 Aug 2019 • Xiaolu Lu, Soumajit Pramanik, Rishiraj Saha Roy, Abdalghani Abujabal, Yafang Wang, Gerhard Weikum
Direct answering of questions that involve multiple entities and relations is a challenge for text-based QA.