1 code implementation • 27 Apr 2024 • Yijia Liu, Xiao Wang
The results of our experiments highlight the superiority of our proposed framework over existing methods, such as sparse variational Bayesian and generative models, in terms of prediction accuracy and uncertainty quantification.
1 code implementation • NAACL (BioNLP) 2021 • Zheng Yuan, Yijia Liu, Chuanqi Tan, Songfang Huang, Fei Huang
To this end, we propose KeBioLM, a biomedical pretrained language model that explicitly leverages knowledge from the UMLS knowledge bases.
Ranked #1 on Named Entity Recognition (NER) on JNLPBA
2 code implementations • NAACL 2021 • Yuxuan Lai, Yijia Liu, Yansong Feng, Songfang Huang, Dongyan Zhao
Further analysis shows that Lattice-BERT can harness the lattice structures, and the improvement comes from the exploration of redundant information and multi-granularity representations.
1 code implementation • ACL 2021 • Fuli Luo, Wei Wang, Jiahao Liu, Yijia Liu, Bin Bi, Songfang Huang, Fei Huang, Luo Si
Existing work in multilingual pretraining has demonstrated the potential of cross-lingual transferability by training a unified Transformer encoder for multiple languages.
no code implementations • 28 Sep 2020 • Fuli Luo, Wei Wang, Jiahao Liu, Yijia Liu, Bin Bi, Songfang Huang, Fei Huang, Luo Si
Recent studies about learning multilingual representations have achieved significant performance gains across a wide range of downstream cross-lingual tasks.
2 code implementations • ACL 2020 • Yutai Hou, Wanxiang Che, Yongkui Lai, Zhihan Zhou, Yijia Liu, Han Liu, Ting Liu
In this paper, we explore the slot tagging with only a few labeled support sentences (a. k. a.
no code implementations • CONLL 2019 • Wanxiang Che, Longxu Dou, Yang Xu, Yuxuan Wang, Yijia Liu, Ting Liu
This paper describes our system (HIT-SCIR) for CoNLL 2019 shared task: Cross-Framework Meaning Representation Parsing.
Ranked #1 on UCCA Parsing on CoNLL 2019
1 code implementation • IJCNLP 2019 • Libo Qin, Yijia Liu, Wanxiang Che, Haoyang Wen, Yangming Li, Ting Liu
Querying the knowledge base (KB) has long been a challenge in the end-to-end task-oriented dialogue system.
Ranked #6 on Task-Oriented Dialogue Systems on KVRET
1 code implementation • IJCNLP 2019 • Yuxuan Wang, Wanxiang Che, Jiang Guo, Yijia Liu, Ting Liu
In this approach, a linear transformation is learned from contextual word alignments to align the contextualized embeddings independently trained in different languages.
no code implementations • 20 Jun 2019 • Yutai Hou, Zhihan Zhou, Yijia Liu, Ning Wang, Wanxiang Che, Han Liu, Ting Liu
It calculates emission score with similarity based methods and obtains transition score with a specially designed transfer mechanism.
1 code implementation • EMNLP 2018 • Yijia Liu, Wanxiang Che, Bo Zheng, Bing Qin, Ting Liu
In this paper, we propose a new rich resource enhanced AMR aligner which produces multiple alignments and a new transition system for AMR parsing along with its oracle parser.
Ranked #2 on AMR Parsing on LDC2014T12:
1 code implementation • CONLL 2018 • Wanxiang Che, Yijia Liu, Yuxuan Wang, Bo Zheng, Ting Liu
This paper describes our system (HIT-SCIR) submitted to the CoNLL 2018 shared task on Multilingual Parsing from Raw Text to Universal Dependencies.
Ranked #3 on Dependency Parsing on Universal Dependencies
1 code implementation • COLING 2018 • Yutai Hou, Yijia Liu, Wanxiang Che, Ting Liu
In this paper, we study the problem of data augmentation for language understanding in task-oriented dialogue system.
no code implementations • COLING 2018 • Haoyang Wen, Yijia Liu, Wanxiang Che, Libo Qin, Ting Liu
Classic pipeline models for task-oriented dialogue system require explicit modeling the dialogue states and hand-crafted action spaces to query a domain-specific knowledge base.
Ranked #7 on Task-Oriented Dialogue Systems on KVRET
1 code implementation • ACL 2018 • Yijia Liu, Wanxiang Che, Huaipeng Zhao, Bing Qin, Ting Liu
Many natural language processing tasks can be modeled into structured prediction and solved as a search problem.
1 code implementation • NAACL 2018 • Yijia Liu, Yi Zhu, Wanxiang Che, Bing Qin, Nathan Schneider, Noah A. Smith
Nonetheless, using the new treebank, we build a pipeline system to parse raw tweets into UD.
Ranked #2 on Dependency Parsing on Tweebank
1 code implementation • 19 Apr 2016 • Yijia Liu, Wanxiang Che, Jiang Guo, Bing Qin, Ting Liu
Many natural language processing (NLP) tasks can be generalized into segmentation problem.