1. Relevance feedback with too much data;Allan,1995
2. Passage-level evidence in document retrieval;Callan,1994
3. One term or two?;Church,1995
4. Interactive substring retrieval;Clarke,1996
5. Clarke, C. L. A., Cormack, G. V. & Burkowski, F. J. (1994). Fast inverted indexes with on-line update. Technical Report No. CS-94-40. University of Waterloo Computer Science Department