Serbedzija, N.N.Serbedzija2022-03-132022-03-132012https://publica.fraunhofer.de/handle/publica/39647210.1007/978-3-642-29154-8_532-s2.0-84890016578User-centric systems call for novel methods and tools for a tight and implicit man machine interaction. Often highly personalized system are sensitive and reactive to user psychological, social and physical situation. However providing such a support may cross the barriers of our privacy or may have impacts on us that we do not necessarily agree upon.en004conference paper