Invited Contribution -- The Future of Audio Reproduction -- User-Adaptive Web Retrieval -- Using Thematic Ontologies for User- and Group-Based Adaptive Personalization in Web Searching -- A Poset Based Approach for Condition Weighting -- User-Adaptive Music Retrieval -- Adaptive User Modeling for Content-Based Music Retrieval -- Towards User-Adaptive Structuring and Organization of Music Collections -- Music Tracking and Thumbnailing -- An Approach to Automatically Tracking Music Preference on Mobile Players -- Music Thumbnailing Incorporating Harmony- and Rhythm Structure -- Symbolic Music Retrieval -- Automatic Reduction of MIDI Files Preserving Relevant Musical Content -- Automatic Synchronization between Audio and Partial Music Score Representation -- Tagging and Structuring Image Collections -- Automatic Image Tagging Using Community-Driven Online Image Databases -- Geo-temporal Structuring of a Personal Image Database with Two-Level Variational-Bayes Mixture Estimation -- Unsupervised Clustering in Personal Photo Collections -- Systems for Still and Motion Images -- Towards a Fully MPEG-21 Compliant Adaptation Engine: Complementary Description Tools and Architectural Models -- Mobile Museum Guide Based on Fast SIFT Recognition.

This volume constitutes the refereed proceedings of the 6th International Workshop on Adaptive Multimedia Retrieval, AMR 2008, held in Berlin, Germany, in June 2008.