CALL FOR PAPERS - (FINAL) EXTENDED DEADLINE DOING 2021: 2nd International Workshop on Intelligent Data – From Data to Knowledge In conjunction with ADBIS 2021 The submission site of DOING@ADBIS remains open until the beginning of the bidding phase period on Saturday, April 24, at 5 p.m (CEST - GMT+2) Workshop webpage: https://www.univ-orleans.fr/lifo/evenements/doing/?page_id=551 https://adbis2021.cs.ut.ee/