Economic Causal-Chain Search using Text Mining Technology Kiyoshi Izumi author Hiroki Sakaji author 2019-08 text Proceedings of the First Workshop on Financial Technology and Natural Language Processing Chung-Chi Chen editor Hen-Hsen Huang editor Hiroya Takamura editor Hsin-Hsi Chen editor Macao, China conference publication izumi-sakaji-2019-economic https://aclanthology.org/W19-5510/ 2019-08 61 65