C. Wang, M. Xiong, Q. Zhou, and Y. Yu. The Semantic Web: Research and Applications, 4th European Semantic Web Conference, ESWC 2007, Innsbruck, Austria, volume 4519 of Lecture Notes in Computer Science, Springer, Berlin, (2007)
B. Gernhardt, T. Vogel, M. Givehchi, L. Wang, and M. Hemmje. Proceedings of the ASME 2016 International Manufacturing Science and Engineering Conference, MSEC2016, June 27--July 1, 2016, Blacksburg, Virginia, USA, 2, page V002T04A013:1--10. New York, NY, American Society of Mechanical Engineers (ASME), (2016)