Bootstrapping Named Entity Recognition in E-Commerce with Positive Unlabeled Learning Hanchu Zhang author Leonhard Hennig author Christoph Alt author Changjian Hu author Yao Meng author Chao Wang author 2020-07 text Proceedings of the 3rd Workshop on e-Commerce and NLP Shervin Malmasi editor Surya Kallumadi editor Nicola Ueffing editor Oleg Rokhlenko editor Eugene Agichtein editor Ido Guy editor Association for Computational Linguistics Seattle, WA, USA conference publication zhang-etal-2020-bootstrapping 10.18653/v1/2020.ecnlp-1.1 https://aclanthology.org/2020.ecnlp-1.1/ 2020-07 1 6