... applied to extraction of information from corpora for tasks such as free indexing (extraction of descriptors from corpora), (Metzler and Haas, 19 89; Schwarz, 19 90; Sheridan and Smeaton, 19 92; ... Sheridan and Smeaton, 19 92; Strzalkowski, 19 96), term ac- quisition (Smadja and McKeown, 19 91; Bourigault, 19 93; Justeson and Katz, 19 95; Dallle, 19 96), or ex- traction of lin9uistic information ... (Boyer, 19 93) enhanced with newspaper corpora, a total of over 85,000 entries. Second, a finite-state part of speech tagger (Tzoukermann, Radev, and Gale, 19 95; Tzouker- mann and Radev, 19 96)...