Keep Your Bearings: Lightly-Supervised Information Extraction with Ladder Networks That Avoids Semantic Drift Ajay Nagesh author Mihai Surdeanu author 2018-06 text Proceedings of the 2018 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 2 (Short Papers) Marilyn Walker editor Heng Ji editor Amanda Stent editor Association for Computational Linguistics New Orleans, Louisiana conference publication nagesh-surdeanu-2018-keep 10.18653/v1/N18-2057 https://aclanthology.org/N18-2057/ 2018-06 352 358