SP500207
NIST Special Publication 500-207: The First Text REtrieval Conference (TREC-1)
Appendix C: System Features
appendix
National Institute of Standards and Technology
Donna K. Harman
.%`pecirlcati(Il and xtrdcti(n, f(r xample: a part or .%`peech tagger, a t(kernzer, a
proper name recEpgnizer. We aI.%() did n[OCRerr][OCRerr]t explore the u.[OCRerr] (jf concept-l)ased techni(1ues
(e.g., RUBRICFFOPNC) t(P provide low-level concepts as features.
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