This book constitutes the refereed proceedings of the 12th Information Retrieval Societies
Conference AIRS 2016 held in Beijing China in November December 2016. The 21 full papers
presented together with 11 short papers were carefully reviewed and selected from 57
submissions. The final programme of AIRS 2015 is divided in the following tracks: IR models and
theories machine learning and data mining for IR IR applications and user modeling
personalization and recommendation and IR evaluation.
