UMass/Hughes: description of the CIRCUS system used for MUC-5. - Wendy G. Lehnert; Joseph F. McCarthy; Stephen Soderland; Ellen Riloff; Claire Cardie; Jon Peterson; Fangfang Feng; Charles Dolan; Seth Goldman (MUC, 1993)

UMass/Hughes TIPSTER Project on Extraction from Text. - Wendy G. Lehnert; Charles Dolan (HLT, 1993)