A Teacher-Student Framework for Maintainable Dialog Manager EMNLP

Weikang Wang | Jiajun Zhang | Han Zhang | Mei-Yuh Hwang | Chengqing Zong | Zhifei Li |

Minimum Imputed-Risk: Unsupervised Discriminative Training for Machine Translation EMNLP

Zhifei Li | Ziyuan Wang | Jason Eisner | Sanjeev Khudanpur | Brian Roark |

Unsupervised Discriminative Language Model Training for Machine Translation using Simulated Confusion Sets COLING

Zhifei Li | Ziyuan Wang | Sanjeev Khudanpur | Jason Eisner |

Joshua 2.0: A Toolkit for Parsing-Based Machine Translation with Syntax, Semirings, Discriminative Training and Other Goodies WS

Zhifei Li | Chris Callison-Burch | Chris Dyer | Juri Ganitkevitch | Ann Irvine | Sanjeev Khudanpur | Lane Schwartz | Wren Thornton | Ziyuan Wang | Jonathan Weese | Omar Zaidan |

First- and Second-Order Expectation Semirings with Applications to Minimum-Risk Training on Translation Forests EMNLP

Zhifei Li | Jason Eisner |

Efficient Extraction of Oracle-best Translations from Hypergraphs NAACL

Zhifei Li | Sanjeev Khudanpur |

Variational Decoding for Statistical Machine Translation ACL IJCNLP

Zhifei Li | Jason Eisner | Sanjeev Khudanpur |

Demonstration of Joshua: An Open Source Toolkit for Parsing-based Machine Translation ACL IJCNLP

Zhifei Li | Chris Callison-Burch | Chris Dyer | Juri Ganitkevitch | Sanjeev Khudanpur | Lane Schwartz | Wren N. G. Thornton | Jonathan Weese | Omar F. Zaidan |

Joshua: An Open Source Toolkit for Parsing-Based Machine Translation WMT WS

Zhifei Li | Chris Callison-Burch | Chris Dyer | Sanjeev Khudanpur | Lane Schwartz | Wren Thornton | Jonathan Weese | Omar Zaidan |

Mining and Modeling Relations between Formal and Informal Chinese Phrases from Web Corpora EMNLP

Zhifei Li | David Yarowsky |

Unsupervised Translation Induction for Chinese Abbreviations using Monolingual Corpora ACL

Zhifei Li | David Yarowsky |

Optimal Dialog in Consumer-Rating Systems using POMDP Framework SIGDIAL WS

Zhifei Li | Patrick Nguyen | Geoffrey Zweig |

A Scalable Decoder for Parsing-Based Machine Translation with Equivalent Language Model State Maintenance SSST WS

Zhifei Li | Sanjeev Khudanpur |

Large-scale Discriminative n-gram Language Models for Statistical Machine Translation AMTA

Zhifei Li | Sanjeev Khudanpur |