Boris Katz Deniz Yuret Jimmy J. Lin Sue Felshin Rebecca Schulman Adnan Ilik Ali Ibrahim Philip Osafo-Kwaako Integrating Web Resources and Lexicons into a Natural Language Query System. 255-261 1999 ICMCS, Vol. 2 http://computer.org/conferen/proceed/icmcs/0253/volume%202/02530255abs.htm db/conf/icmcs/icmcs99-2.html#KatzYLFSIIO99