1. Learned vector-space models for document retrieval;Caid;Information Processing & Management,1995
2. Passage-level evidence in document retrieval;Callan,1994
3. An evaluation of query processing strategies using the TIPSTER collection;Callan,1993
4. The INQUERY retrieval system;Callan,1992
5. A stochastic parts program and noun phrase parser for unrestricted text;Church,1988