@inproceedings{otsuka-etal-2013-generating, title = "Generating More Specific Questions for Acquiring Attributes of Unknown Concepts from Users", author = "Otsuka, Tsugumi and Komatani, Kazunori and Sato, Satoshi and Nakano, Mikio", editor = "Eskenazi, Maxine and Strube, Michael and Di Eugenio, Barbara and Williams, Jason D.", booktitle = "Proceedings of the {SIGDIAL} 2013 Conference", month = aug, year = "2013", address = "Metz, France", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W13-4009/", pages = "70--77" }