Andrea Esuli Alejandro Moreo Fabrizio Sebastiani 0001 LeQua @ CLEF 2022: A Shared Task for Evaluating Quantification Systems. 2021 CIKM Workshops https://ceur-ws.org/Vol-3052/abstract4.pdf conf/cikm/2021w db/conf/cikm/cikm2021w.html#EsuliM021