Definitions of Symbiotic Interaction -- Symbiotic Interaction: A Critical Definition and Comparison to other Human-Computer Paradigms -- Ghosts in the Machines: Towards a Taxonomy of Human Computer Interaction -- Reviews of Implicit Interaction -- Applying Physiological Computing Methods to Study Psychological, Affective and Motivational Relevance -- A Review of the Research on Subliminal Techniques for Implicit Interaction in Symbiotic Systems -- Example Applications -- OUTMedia – Symbiotic Service for Music Discovery in Urban Augmented Reality -- Symbiotic Wearable Robotic Exoskeletons: The Concept of the BioMot Project -- Experimenting with Users -- Measuring User Acceptance of Wearable Symbiotic Devices: Validation Study Across Application Scenarios -- How Semantic Processing of Words Evokes Changes in Pupil -- Demos and Posters -- Querying and Display of Information: Symbiosis in Exploratory Search Interaction Scenarios -- A Reinforcement Learning Approach to Query-Less Image Retrieval -- A Multi-touch Interface for Multi-robot Path Planning and Control -- Pointing and Selecting with Tactile Glove in 3D Environment -- Navigating Complex Information Spaces: A Portfolio Theory Approach.