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
[OCRerr]* CONSTRUGHON OP INDICES, KNOWLEDGE BASES, AND OJIIER DATA STRUGIURES -- STATI[OCRerr]CS ON DATA STRUC]
IEM NAME ] CITY [__ERIM [__`MC [[OCRerr]_CITRI [OCRerr]__UClA ]__SEC ][OCRerr]
No index, system
Index Yes was a filter Yes Yes Yes No
512 MB for approximately
entire 130 (document equal to
torage (MB) System 1: 1260 (2.2GB) index) - 750 MB uncompressed
System 2: -1420 training 185 (page index) text
collection
[OCRerr]mputer Build Time
) 40 CPU hours 0.3 (20 min.) 4 12 Hrs. [4] ____________ _____
[OCRerr]ic Process Yes (1] _________________ Yes Yes Yes (1] Yes ______
r Manual Hours
Yes, (field, Yes (field,
Dositions Stored sentence, word) Yes [2] No (3] sentence, word) No
Some prespecified Some pre-
[erins Only phrases are treated Yes Yes specified phrases No
as words are treated as
words
No None No No No
torage (MB) _________________ _______________ ____________ ______________
[OCRerr]mputer Build Time
) _________________________________________________ ___________________________________________ ___________________________________ ____________________________________ _______________
tion of Method
rtic Process
r of Manual Hours
Suf[OCRerr]lx arrays, Signature
No None No No No
torage (MB) ________________ ______________ ______________ _____
omputer Build Time
[OCRerr] _____________________________________________________
tion of Method
[OCRerr]ic Process
r of Manual Hours