Iz Beltagy author Arman Cohan author Guy Feigenblat author Dayne Freitag author Tirthankar Ghosal author Keith Hall author Drahomira Herrmannova author Petr Knoth author Kyle Lo author Philipp Mayr author Robert Patton author Michal Shmueli-Scheuer author Anita de Waard author Kuansan Wang author Lucy Lu Wang author 2021-06 text Iz Beltagy editor Arman Cohan editor Guy Feigenblat editor Dayne Freitag editor Tirthankar Ghosal editor Keith Hall editor Drahomira Herrmannova editor Petr Knoth editor Kyle Lo editor Philipp Mayr editor Robert M Patton editor Michal Shmueli-Scheuer editor Anita de Waard editor Kuansan Wang editor Lucy Lu Wang editor Association for Computational Linguistics Online conference publication beltagy-etal-2021-overview https://aclanthology.org/2021.sdp-1.22/ 2021-06 159 165