25th European Conference on Advanced Information Systems Engineering (ADBIS'2021) Tartu, Estonia, 24-26 August 2021 https://adbis2021.cs.ut.ee/ ******* NEWS ******* The submission site of ADBIS remains open for new submissions and for update of existing submissions until the end of the bidding phase period on Friday, April 2 at 2pm CEST. ******* NEWS *******