C. Veres. Natural Language Processing and Information Systems, volume 3999 of Lecture Notes in Computer Science, page 58--69. Berlin/Heidelberg, Springer, (2006)
S. Staab, and A. Mädche. Proceedings of the Workshop
on Applications of Ontologies and Problem-solving Methods, 14th European Conference on Artificial
Intelligence ECAI 2000, Berlin, Germany, (August 2000)
D. Chamberlin, J. Robie, and D. Florescu. Lecture Notes in Computer Science, Springer-Verlag, (December 2000)Also available at
http://www.almaden.ibm.com/cs/people/chamberlin/quilt_lncs.pdf. See also
http://www.almaden.ibm.com/cs/people/chamberlin/quilt.html..
R. Ierusalimschy, L. de Figueiredo, and W. Celes. HOPL III: Proceedings of the third ACM SIGPLAN conference on History of programming languages, page 2-1--2-26. New York, NY, USA, ACM, (2007)