The two-volume set LNAI 11431 and 11432 constitutes the refereed proceedings of the 11th Asian
Conference on Intelligent Information and Database Systems ACIIDS 2019 held in Yogyakarta
Indonesia in April 2019. The total of 124 full papers accepted for publication in these
proceedings were carefully reviewed and selected from 309 submissions. The papers of the first
volume are organized in the following topical sections: knowledge engineering and semantic web
text processing and information retrieval machine learning and data mining decision support
and control systems computer vision techniques and databases and intelligent information
systems. The papers of the second volume are divided into these topical sections: collective
intelligence for service innovation technology management E-learning and fuzzy intelligent
systems data structures modelling for knowledge representation advanced data mining
techniques and applications intelligent information systems intelligent methods and
artificial intelligence for biomedical decision support systems intelligent and contextual
systems intelligent systems and algorithms in information sciences intelligent supply chains
and e-commerce sensor networks and Internet of Things analysis of image video movements and
brain intelligence in life sciences and computer vision and intelligent systems.