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.