v-trel: Vocabulary Trainer for Tracing Word Relations - An Implicit Crowdsourcing Approach Verena Lyding author Christos Rodosthenous author Federico Sangati author Umair ul Hassan author Lionel Nicolas author Alexander König author Jolita Horbacauskiene author Anisia Katinskaia author 2019-09 text Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019) Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd. Varna, Bulgaria conference publication lyding-etal-2019-v 10.26615/978-954-452-056-4_079 https://aclanthology.org/R19-1079/ 2019-09 674 683