Yuning Ding Julian F. Lohmann Nils-Jonathan Schaller Thorben Jansen Andrea Horbach Transfer Learning of Argument Mining in Student Essays. 439-449 2024 BEA https://aclanthology.org/2024.bea-1.36 conf/bea/2024 db/conf/bea/bea2024.html#DingLSJH24 streams/conf/bea