2014

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A Unified Framework for Grammar Error Correction
Longkai Zhang | Houfeng Wang
Proceedings of the Eighteenth Conference on Computational Natural Language Learning: Shared Task

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Go Climb a Dependency Tree and Correct the Grammatical Errors
Longkai Zhang | Houfeng Wang
Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP)

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Predicting Chinese Abbreviations with Minimum Semantic Unit and Global Constraints
Longkai Zhang | Li Li | Houfeng Wang | Xu Sun
Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP)

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Muli-label Text Categorization with Hidden Components
Li Li | Longkai Zhang | Houfeng Wang
Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP)

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Coarse-grained Candidate Generation and Fine-grained Re-ranking for Chinese Abbreviation Prediction
Longkai Zhang | Houfeng Wang | Xu Sun
Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP)

2013

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Exploring Representations from Unlabeled Data with Co-training for Chinese Word Segmentation
Longkai Zhang | Houfeng Wang | Xu Sun | Mairgup Mansur
Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing

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Learning Entity Representation for Entity Disambiguation
Zhengyan He | Shujie Liu | Mu Li | Ming Zhou | Longkai Zhang | Houfeng Wang
Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)

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Improving Chinese Word Segmentation on Micro-blog Using Rich Punctuations
Longkai Zhang | Li Li | Zhengyan He | Houfeng Wang | Ni Sun
Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)

2012

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Constructing Chinese Abbreviation Dictionary: A Stacked Approach
Longkai Zhang | Sujian Li | Houfeng Wang | Ni Sun | Xinfan Meng
Proceedings of COLING 2012

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Lost in Translations? Building Sentiment Lexicons using Context Based Machine Translation
Xinfan Meng | Furu Wei | Ge Xu | Longkai Zhang | Xiaohua Liu | Ming Zhou | Houfeng Wang
Proceedings of COLING 2012: Posters