Search Results for author: Yijia Liu

Found 20 papers, 13 papers with code

Implicit Generative Prior for Bayesian Neural Networks

1 code implementation27 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.

Classification Consistency Computational Efficiency +3

Lattice-BERT: Leveraging Multi-Granularity Representations in Chinese Pre-trained Language Models

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.

Natural Language Understanding Sentence

VECO: Variable and Flexible Cross-lingual Pre-training for Language Understanding and Generation

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.

Language Modelling Question Answering +5

VECO: Variable Encoder-decoder Pre-training for Cross-lingual Understanding and Generation

no code implementations28 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.

Decoder Language Modelling +7

Cross-Lingual BERT Transformation for Zero-Shot Dependency Parsing

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.

Dependency Parsing Language Modelling +2

Few-Shot Sequence Labeling with Label Dependency Transfer and Pair-wise Embedding

no code implementations20 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.

Few-Shot Learning named-entity-recognition +3

An AMR Aligner Tuned by Transition-based Parser

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.

AMR Parsing POS +1

Sequence-to-Sequence Data Augmentation for Dialogue Language Understanding

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.

Diversity Text Augmentation

Sequence-to-Sequence Learning for Task-oriented Dialogue with Dialogue State Representation

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.

Task-Oriented Dialogue Systems

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