Discriminative Learning of Open-Vocabulary Object Retrieval and Localization by Negative Phrase Augmentation Ryota Hinami author Shin’ichi Satoh author 2018-oct-nov text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing Ellen Riloff editor David Chiang editor Julia Hockenmaier editor Jun’ichi Tsujii editor Association for Computational Linguistics Brussels, Belgium conference publication hinami-satoh-2018-discriminative 10.18653/v1/D18-1281 https://aclanthology.org/D18-1281/ 2018-oct-nov 2605 2615