The 11th Asian Conference on Intelligent Information and Database Systems (ACIIDS) was held on 8-11 April 2019 in Jogjakarta, Indonesia. Mr. Alfred Boediman, Vice President of SRIN, delivered his keynote on “Deep Learning Accelerator: Challenges and Solutions for Setting-up Model Optimization for On-Device AI”. ACIIDS aims to provide an internationally respected forum for scientific research in the technologies and applications of intelligent information and database systems. The conference was hosted by BINUS University (Indonesia), and jointly organized by Wroclaw University of Science and Technology (Poland), and cooperating with IEEE SMC Technical Committee on Computational Collective Intelligence, European Research Center for Information Systems (ERCIS), and several Universities. The proceedings of ACIIDS 2019 will be published by Springer in series Lecture Notes in Artificial Intelligence LNCS/LNAI.