- Wiley, Chichester, UK, (2011)
- Wiley, Chichester, UK, (2010)
- IEEE Intelligent Systems 24(6):83-89 (2009)
- Lecture Notes in Computer Science Springer, Berlin, (2011)
- Lecture Notes in Computer Science Springer, Berlin, (2011)
- Addison-Wesley, Boston, MA, (2002)
- Spektrum, Heidelberg, (2012)
- Informatik-Spektrum 34(5):434-442 (October 2011)
- Informatik-Spektrum 34(5):462-468 (October 2011)
- Informatik-Spektrum 34(5):443-454 (October 2011)
- Lecture Notes in Artificial Intelligence Springer, Berlin, (2010)
- Communications of the ACM (June 2011)
- Personal and Ubiquitous Computing 15(3):291-303 (March 2011)
- Informatik-Spektrum 34(3):255-264 (June 2011)
- Artificial Intelligence Review 35(4):339-368 (April 2011)
- Action Selection Algorithms for Autonomous System in Pervasive Environment: A Computational ApproachACM Transactions on Autonomous and Adaptive Systems TAAS 6(1):10:1–10:6 (February 2011)
- Artificial Intelligence Review 36(1):1-27 (June 2011)
- Journal of Intelligent Information Systems 36(2):131-166 (April 2011)
- Using Ontology Databases for Scalable Query Answering, Inconsistency Detection, and Data IntegrationJournal of Intelligent Information Systems 37(2):217-244 (October 2011)
- Journal of Intelligent Information Systems 36(2):167-195 (April 2011)


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