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 :A[OCRerr]. [OCRerr] ) [OCRerr] ii[OCRerr][OCRerr]R ;)ATA [OCRerr]TRUc;[OCRerr]URES -- STkHSTICS ON DATA STRUCTURES (C SYSThM NAME J ADS - UI[OCRerr](' - [OCRerr] [OCRerr] [OCRerr] Dalbousie Knowledge Bases No [OCRerr] J MEAl) 1No UIF J IDSR i: _________ No - Total Storage - Number of Concepts represented _____________ - Type of Representation - Total Computer Build Time - Total Manual Time - Use of Manual Libor (*) ______________ - Auxiliary Files Needed (+) query/filter files Yes, Neural Routing Structures No 1 per query ___________ Network 10-500 characters Total Storage (MB) each 15 KB - Total Computer Build Time negligible __________ 5 minutes - Automatic Process No Yes - Number of Manual Hours Description of Method _________________ [3] [5] __________ Yes, classification record offset file Other Data Structures vectors; actually (1 per article in integer arrays ___________________ database) None Yes - Total Storage (MB) A few KB [1] _________________ 770 KB 2 MB Total Computer Build Time (Hours) 4 [2] _________________ 3 seconds CPU 1.5 hours Automatic Process Yes Yes Yes Description of Method [4] [6] ____ ) (a) machine-readable dictionary (1)) other (a) Mostly manually built using special interface (c) Initial core manually built to "bootstrap (1)) Mostly machine built with manual correction (d) Other