We experimented with various cutoff dates in an attempt to replicate the data that would have been available at the time of publication of the ETH-DS3Lab system, and picked December 31, 2017 (the deadline of the SE18T7 was January 22).
with the advancement of Information Retrieval (IR) techniques and Human Language Technology (HLT), text-based search engines have played a major role in research, communication, and publication in many academic fields.