<DOC>
<DOCNO> SP500215 </DOCNO>
<TITLE> NIST Special Publication 500-215: The Second Text REtrieval Conference (TREC-2) </TITLE>
<SUBTITLE> Appendix B: System Features </SUBTITLE>
<TYPE> Appendix </TYPE>
<PAGE CHAPTER="B" NUMBER="12">
<AUTHOR1> </AUTHOR1>
<PUBLISHER> National Institute of Standards and Technology </PUBLISHER>
<EDITOR1> D. K. Harman </EDITOR1>
<COPYRIGHT MTH="March" DAY="" YEAR="1994" BY="National Institute of Standards and Technology">
</COPYRIGHT>
<BODY>
IL CONSTRUCTION OF INDICES, KNOWl�DGE BASES AND OThER DATA STRUCTURES - STATISTICS ON DATA STRUCTURES
T[OCRerr]M NAME [OCRerr] GE [1] [ CLARIT [OCRerr]__151 [OCRerr]__HNC ]_NYU [OCRerr]_SYRACUSE Ii
Index None [2] _________________ Yes Yes Yes
(MB) 1500 MB (Dl, D2)
torage __________________ __________________ ___________ 760 MB (D3) 305 MB [3] 1,284 [5] ____
[OCRerr]mputer Build Time 250 (WSI)
) ___________ ___________ _______ -100 100(SIM) 24+Hrs. [6] ___
[OCRerr]ic Process Yes Yes Yes
r Manual Hours
ositions Stored No No No No
Ferms Only _________________ _________________ __________ N/A No Yes (Stage 2) No
Yes (tested on
None smaller corpora) No No No
torage (MB) - 1KB/cluster
[OCRerr]mputer Build Time -48 Hrs. for 75K
) ______________ documents (230 MB) __________ ___________
tion of Method K-MEANS
Itic Process Yes
r of Manual Hours
Suf[OCRerr]Ix arrays, Signature
None No No No No
torage (MB) ________________
omputer Build Time
tion of Method
`t[OCRerr]C Process
of Manual Hours
</BODY>
</PAGE>
</DOC>