Covidex: Neural Ranking Models and Keyword Search Infrastructure for the COVID-19 Open Research Dataset Edwin Zhang author Nikhil Gupta author Raphael Tang author Xiao Han author Ronak Pradeep author Kuang Lu author Yue Zhang author Rodrigo Nogueira author Kyunghyun Cho author Hui Fang author Jimmy Lin author 2020-11 text Proceedings of the First Workshop on Scholarly Document Processing Muthu Kumar Chandrasekaran editor Anita de Waard editor Guy Feigenblat editor Dayne Freitag editor Tirthankar Ghosal editor Eduard Hovy editor Petr Knoth editor David Konopnicki editor Philipp Mayr editor Robert M Patton editor Michal Shmueli-Scheuer editor Association for Computational Linguistics Online conference publication zhang-etal-2020-covidex 10.18653/v1/2020.sdp-1.5 https://aclanthology.org/2020.sdp-1.5/ 2020-11 31 41