Joint Embedding of Query and Ad by Leveraging Implicit Feedback Sungjin Lee author Yifan Hu author 2015-09 text Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing Lluís Màrquez editor Chris Callison-Burch editor Jian Su editor Association for Computational Linguistics Lisbon, Portugal conference publication lee-hu-2015-joint 10.18653/v1/D15-1054 https://aclanthology.org/D15-1054/ 2015-09 482 491