BBN: description of the PLUM system as used for MUC-4.

Damaris M. Ayuso Sean Boisen Heidi Fox Herbert Gish Robert Ingria Ralph M. Weischedel BBN: description of the PLUM system as used for MUC-4. 169-176 1992 MUC http://doi.acm.org/10.1145/1072064.1072091 conf/muc/1992 db/conf/muc/muc1992.html#AyusoBFGIW92