A Method of Representing Knowledge of Toolkits in a Pervasive Toolroom Maintenance System
 William Pike, Mark Gahegan, Beyond ontologies: Toward situated representations of scientific knowledge, In International Journal of Human-Computer Studies, pp. 659-673, Elsevier 2007.
 Vinu P.V., Sherimon P.C., Reshmy Krishnan, Towards pervasive mobile learning - the vision of 21st century, In 3rd World Conference on Educational Sciences, vol. 15, pp. 3067-3073, Elsevier 2011.
 Stephen Grimm, Pascal Hitzler, Andreas Abecker, Knowledge Representation and Ontologies: Logic, Ontologies and Semantic Web Languages.
 YAN Lei, WANG Xinying, DONG Junlei, A power grid knowledge representation using agent based representation in pervasive computing, In Information Management and Engineering (ICIME), The 2nd IEEE International Conference on pp. 297-300. IEEE 2010.
 Stephen Peters, Howard E. Shrobe, Using Semantic Networks for Knowledge Representation in an Intelligent Environment, The 1st IEEE Conference on Pervasive Computing and Communications (PerCom 2003), pp. 323-329, IEEE 2003.
 Harry Chen, Tim Finin, Anupam Joshi, An Ontology for Context Aware Pervasive Computing Environments, In The Knowledge Engineering Review, Vol. 18:3, pp. 197-207, Cambridge University Press, 2004.
 Petridis. K, Kompatsiaris. I, Strintzis. M.G., Knowledge Representation for Semantic Multimedia Content Analysis and Reasoning, EWIMT, 2004.
 Mikko Perttunen, Jukka Riekki, Ora Lassila, Context Representation and Reasoning in Pervasive Computing: A Review, In International Journal of Multimedia and Ubiquitous Engineering, Vol. No.4, October 2009.
 Christopher Brewster, Kieron O’Hara, Knowledge Representation with Ontologies: Present challenges Future possibilities, In International Journal of Human-Computer Studies, pp. 563-568, Elsevier, 2007.
 Matthias Lampe, Martin Strassner, Elgar Fleisch, A Ubiquitous Computing Environment for Aircraft Maintenance, In Symposium on Applied Computing, ACM 2004.
 Yuh-Jen Chen, Development of a method for ontology-based empirical knowledge representation and reasoning, In Decision Support Systems, Elsevier 2010.
 Alan Jovic, Marin Prcela, Dragan Gamberger, Ontologies in Medical Knowledge Representation, In 29th International Conference on Information Technology Interfaces, 2007.
 Sabine Graf, Kathryn Mac Callum, Tzu-Chien Liu, Maiga Chang, Dunwei Wen, Qing Tan, Jon Dron, Fuhua Lin, Nian-Shing Chen, Rory McGreal, Kinshuk, An Infrastructure for Developing Pervasive Learning Environments, In Pervasive Computing and Communications, 2008. 6th International Conference on, pp. 389-394. IEEE 2008.
 Yuvan Pete, Benjamin Barbry, Thomas Vantroys, Philippe Laporte, Sylvie Lerouge, Design and Evaluation of Pervasive Workplace Learning System for Retail Stores, In Advanced Learning Technologies, 12th International Conference on, pp. 202-204, IEEE 2012.
 Habil.sc.ing, Anis Grundspenkis, Fundamentals of Artificial Intelligence.
 http://protege.stanford.edu/, Software from online from this web page, downloaded on June 2014.
 S. Chakravarthy, V. Krishnaprasad, Z. Tamizuddin, R. H. Badani, ECA Rule Integration into an OODBMS: Architecture and Implementation, In Data Engineering, 11th International Conference on, pp.341-348, IEEE, 1995.