@inproceedings{imamura-etal-2003-automatic-expansion, title = "Automatic Expansion of Equivalent Sentence Set Based on Syntactic Substitution", author = "Imamura, Kenji and Akiba, Yasuhiro and Sumita, Eiichiro", booktitle = "Companion Volume of the Proceedings of {HLT}-{NAACL} 2003 - Short Papers", year = "2003", url = "https://preview.aclanthology.org/Author-page-Marten-During-lu/N03-2013/", pages = "37--39" }