Yi Guan


2021

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AdvPicker: Effectively Leveraging Unlabeled Data via Adversarial Discriminator for Cross-Lingual NER
Weile Chen | Huiqiang Jiang | Qianhui Wu | Börje Karlsson | Yi Guan
Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)

Neural methods have been shown to achieve high performance in Named Entity Recognition (NER), but rely on costly high-quality labeled data for training, which is not always available across languages. While previous works have shown that unlabeled data in a target language can be used to improve cross-lingual model performance, we propose a novel adversarial approach (AdvPicker) to better leverage such data and further improve results. We design an adversarial learning framework in which an encoder learns entity domain knowledge from labeled source-language data and better shared features are captured via adversarial training - where a discriminator selects less language-dependent target-language data via similarity to the source language. Experimental results on standard benchmark datasets well demonstrate that the proposed method benefits strongly from this data selection process and outperforms existing state-of-the-art methods; without requiring any additional external resources (e.g., gazetteers or via machine translation).

2013

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Reserved Self-training: A Semi-supervised Sentiment Classification Method for Chinese Microblogs
Zhiguang Liu | Xishuang Dong | Yi Guan | Jinfeng Yang
Proceedings of the Sixth International Joint Conference on Natural Language Processing

2011

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Automatically Generating Questions from Queries for Community-based Question Answering
Shiqi Zhao | Haifeng Wang | Chao Li | Ting Liu | Yi Guan
Proceedings of 5th International Joint Conference on Natural Language Processing

2010

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Selecting Optimal Feature Template Subset for CRFs
Xingjun Xu | Guanglu Sun | Yi Guan | Xishuang Dong | Sheng Li
CIPS-SIGHAN Joint Conference on Chinese Language Processing

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Complete Syntactic Analysis Bases on Multi-level Chunking
Zhipeng Jiang | Yu Zhao | Yi Guan | Chao Li | Sheng Li
CIPS-SIGHAN Joint Conference on Chinese Language Processing

2007

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A Probabilistic Approach to Syntax-based Reordering for Statistical Machine Translation
Chi-Ho Li | Minghui Li | Dongdong Zhang | Mu Li | Ming Zhou | Yi Guan
Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics

2006

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A Pragmatic Chinese Word Segmentation System
Wei Jiang | Yi Guan | Xiao-Long Wang
Proceedings of the Fifth SIGHAN Workshop on Chinese Language Processing

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A Pragmatic Chinese Word Segmentation Approach Based on Mixing Models
Wei Jiang | Yi Guan | Xiao-Long Wang
International Journal of Computational Linguistics & Chinese Language Processing, Volume 11, Number 4, December 2006

2005

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Chinese Word Segmentation based on Mixing Model
Wei Jiang | Jian Zhao | Yi Guan | Zhiming Xu
Proceedings of the Fourth SIGHAN Workshop on Chinese Language Processing