A Hierarchical Neural Network for Information Extraction of Product Attribute and Condition Sentences Yukinori Homma author Kugatsu Sadamitsu author Kyosuke Nishida author Ryuichiro Higashinaka author Hisako Asano author Yoshihiro Matsuo author 2016-12 text Proceedings of the Open Knowledge Base and Question Answering Workshop (OKBQA 2016) Key-Sun Choi editor Christina Unger editor Piek Vossen editor Jin-Dong Kim editor Noriko Kando editor Axel-Cyrille Ngonga Ngomo editor The COLING 2016 Organizing Committee Osaka, Japan conference publication homma-etal-2016-hierarchical https://aclanthology.org/W16-4403/ 2016-12 21 29