SP500215 NIST Special Publication 500-215: The Second Text REtrieval Conference (TREC-2) Appendix B: System Features Appendix National Institute of Standards and Technology D. K. Harman UC. QUERY CONSTRU[OCRerr]ON EEEDBACK (ADHOC) YSThM NAME [ Dormund [OCRerr] Cornell ]_Berkeley [OCRerr]_Rutgers [OCRerr] Siemens [OCRerr]- UMASS [OCRerr] vpI J k (adhoc) Not used None None N/A [OCRerr]uery Manual or tic person doing feedback (*) Time for complete feedback time (cpu seconds) k time (minutes) number of iterations rage number of Documents Iteration in number of Iterations m number of Iterations termines end of Iteration k methods used omatic Term Reweighting ______________ omatic Query Expansion (+) ______________ er automatic methods iual Methods terms in relevant documents added nain expert (1)) only top X terms added (c) user selected terms added (1)) syst[OCRerr]n expert