ABIS is an international workshop organized by the SIG on Adaptivity and User Modeling in Interactive Software Systems of the German Gesellschaft f\"{u}r Informatik. For more than 30 years, the ABIS workshop has served as a highly interactive forum for discussing the state of the art in personalization, user modeling, and related areas. The 2026 edition will focus on personalization and recommendations, with particular attention to adaptation on the Web and its societal effects. To explore and discuss the effects of the adaptive Web on society, the workshop aims to bring together researchers and practitioners to share insights and discuss emerging findings and future developments. Our goal is to identify current trends, newly observed effects, and future research directions, with the overarching aim of fostering the development of this discipline and encouraging new collaborations.     «

ABIS is an international workshop organized by the SIG on Adaptivity and User Modeling in Interactive Software Systems of the German Gesellschaft f\"{u}r Informatik. For more than 30 years, the ABIS workshop has served as a highly interactive forum for discussing the state of the art in personalization, user modeling, and related areas. The 2026 edition will focus on personalization and recommendations, with particular attention to adaptation on the Web and its societal effects. To explore and d...     »