APLenty: annotation tool for creating high-quality datasets using active and proactive learning Minh-Quoc Nghiem author Sophia Ananiadou author 2018-11 text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing: System Demonstrations Eduardo Blanco editor Wei Lu editor Association for Computational Linguistics Brussels, Belgium conference publication nghiem-ananiadou-2018-aplenty 10.18653/v1/D18-2019 https://aclanthology.org/D18-2019/ 2018-11 108 113