PolicyCLOUD: A prototype of a Cloud Serverless Ecosystem for Policy Analytics. - Ofer Biran; Oshrit Feder; Yosef Moatti; Athanasios Kiourtis; Dimosthenis Kyriazis; George Manias; Argyro Mavrogiorgou; Nikitas M. Sgouros; Martim Taborda Barata; Isabella Oldani; María Angeles Sanguino; Pavlos Kranas (CoRR, 2022)