J. Heflin, и J. Hendler. Proceedings of the Seventeenth National Conference
on Artificial Intelligence (AAAI-2000), стр. 443--449. AAAI/MIT Press, Menlo Park, CA, (2000)See
http://www.cs.umd.edu/projects/plus/SHOE/pubs/aaai2000.pdf.
S. Luke, L. Spector, и D. Rager. Working Notes of the Workshop on Internet-Based
Information Systems at the 13th National Conference on Artificial
Intelligence (AAAI96), стр. 96--102. AAAI Press, (1996)See
http://www.cs.umd.edu/projects/plus/SHOE/pubs/aaai-paper.ps.