1. Mayrhofer, R., Radi, H., Ferscha, A.: Recognizing and predicting context by learning from user behavior. Radiomatics: Journal of Communication Engineering, special issue on Advances in Mobile Multimedia 1(1), 30–42 (2004)
2. Cheng, C.H., Teoh, H.J., Chen, T.L.: Forecasting stock price index using fuzzy time-series based on rough set. 4th Intl. Conf. on Fuzzy Systems and Knowledge Discovery 3, 336–340 (2007)
3. Baumgartner, N., Retschitzegger, W.: Towards a situation awareness framework based on primitive relations. In: Proc. of the IEEE Conf. on Information, Decision, and Control, Adelaide, Australia, pp. 291–295. IEEE, Los Alamitos (2007)
4. Baumgartner, N., Retschitzegger, W., Schwinger, W.: Lost in time, space, and meaning—an ontology-based approach to road traffic situation awareness. In: Proc. of the 3rd Workshop on Context Awareness for Proactive Systems, Guildford, UK (2007)
5. Lecture Notes in Artificial Intelligence;N. Baumgartner,2007