NLP Whack-A-Mole: Challenges in Cross-Domain Temporal Expression Extraction Amy Olex author Luke Maffey author Bridget McInnes author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication olex-etal-2019-nlp 10.18653/v1/N19-1369 https://aclanthology.org/N19-1369/ 2019-06 3682 3692