I2R Chinese-English translation system for IWSLT 2007 Boxing Chen author Jun Sun author Hongfei Jiang author Min Zhang author Ai Ti Aw author 2007-oct 15-16 text Proceedings of the Fourth International Workshop on Spoken Language Translation Trento, Italy conference publication chen-etal-2007-i2r https://aclanthology.org/2007.iwslt-1.8/ 2007-oct 15-16