For further information please contact one of the Co-Directors of DGRC: Yigal Arens email: arens@isi.edu USC Information Sciences Institute 4676 Admiralty Way Marina del Rey, CA 90292 Phone: (310)448-8766 Eduard Hovy email: hovy@isi.edu USC Information Sciences Institute 4676 Admiralty Way Marina del Rey, CA 90292 Phone: (310)448-8731 Salvatore Stolfo email: sal@cs.columbia.edu Columbia University 606 CEPSR New York, NY 10027 Phone: (212)666-0140 Judith Klavans email: klavans@cs.columbia.edu Columbia University 535 West 114th Street, MC 1103 New York, NY 10027 Phone: (212)854-7443