There is more to context than location Introduction to the Article Advantages of using context awareness as input for adaptation Context includes other factors than location Ultra-mobile devices Sensors for input Albrecht Schmidt, Michael Beigl, and Hans-W. Gellersen Telecooperation Office (TecO), University of Karlsruhe, Germany

There is more to context than location What Context is About Human Factors Physical Environment User Social Environment Task Conditions Infrastructure Location Light Pressure Acceleration Audio Temperature and more… Level Flickering Wave-length

There is more to context than location A Working Model for Context A context describes a situation and the environment a device or user is in A context is identified by a unique name For each context a set of features is relevant For each relevant feature a range of values is determined (implicit or explicit) by the context

There is more to context than location Acquiring Context Explicitly – user gives input on the context (Sony Ericsson cell phone “flight mode”) Implicitly – monitoring of user and computer based activities (Cell phone automatic key lock)

There is more to context than location Sensors for Detecting Context for Ultra-Mobile Devices Optical/Vision Audio Motion Location Bio-Sensors Specialized sensors

There is more to context than location Sensor Fusion for Context Awareness To be able to adapt to situations rather than isolated physical conditions Combine sensor input for obtaining context awareness Sensor Fusion includes: Sensors Cues Contexts Scripting

There is more to context than location Advantages of Context Awareness in Ultra-Mobile Computing Adaptation to changes in the environment (Increase volume, car stereo) Improvement of user interface (Filter information flow, Volvo IDIS)

There is more to context than location Discussion/Questions Where would you really like to have context aware devices? Where would you really not like to have context aware devices? Do you think privacy will be a problem in the future, because of context aware devices? Do you think that context aware devices risk being factors of irritation, because they try to be to smart?