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 - -.,. O[OCRerr] LNDICES, KNOWLEDGE BASES, AND OIlIER STRUCTURES -- ST[OCRerr]STICS ON DATA STRUCTURES (CO GE ]_CIARIT I [OCRerr]i I HNC r NYU [OCRerr] I___ -.------ .- ---- _______________ _________J [OCRerr] I SYRACUSE [OCRerr] Basi.[OCRerr] None Yes No No ([OCRerr]rag 1.7 of ([OCRerr]rE[OCRerr]pt.[OCRerr] [OCRerr][OCRerr]re[OCRerr]nLed 31,320 [[OCRerr]epr[OCRerr]s(iIta[OCRerr] It Associations :Input[OCRerr]. ]3u:1l I;nie 20 [OCRerr] T[OCRerr]rne 0 \Ianual Lal> Y: None [OCRerr] Files [OCRerr]feec;ed (+) _________________________ (a) OAU) See"( ;:ruc[OCRerr]ures None No No Data __________ Struct [OCRerr][OCRerr]age (AiB) I 1GB 8 x 0.' )rnputer 13ui1[OCRerr]j `lime startir _________________ ___________________ _____________ direct t ic Process Yes of Manual Hours ionofMetho'l [1] _________ _________ _________________ ____________ Expansions from ta Structures corpus (20,000 Word & document __________________________ terms) Yes (2] Yes (3] context vectors Yes [15] Yes 620 MB for words orage (MB) 2 1 676 MB (4] 740 MB for Docs ______________ 2,201 MB [16] ______ )mputer Build Time "-`72 Hrs. for Disks less than 1 _________________________ 12 3 42 Hrs. [5] 1-3 hour [17] tic Process Yes Yes Yes Yes Yes No ion of Method See [2] [6] [18] 1.' macnine-readable' aictioi [OCRerr]ry other Mostly manually built using special interface Initial core manually built to "bootstrap" (1)) Mostly machine built with manual correction (d) Other