The two-volume proceedings of the ACIIDS 2016 conference, LNAI 9621 + 9622,constitutes the refereed proceedings of the 8th Asian Conference on IntelligentInformation and Database Systems, held in Da Nang, Vietnam, in March 2016. Thetotal of 153 full papers accepted for publication in these proceedings wascarefully reviewed and selected from 392 submissions.

They wereorganized in topical sections named: knowledge engineering and semantic Web; social networks and recommender systems; textprocessing and information retrieval; database systems and software engineering;intelligent information systems; decision support and control systems; machinelearning and data mining; computer vision techniques; intelligent big dataexploitation; cloud and network computing; multiple model approach to machinelearning; advanced data mining techniques and applications; computationalintelligence in data mining for complex problems; collective intelligence forservice innovation, technology opportunity, e-learning, and fuzzy intelligentsystems; analysis for image, video and motion data in life sciences; real worldapplications in engineering and technology; ontology-based softwaredevelopment; intelligent and context systems; modeling and optimizationtechniques in information systems, database systems and industrial systems;smart pattern processing for sports; and intelligent services for smart cities.