SP500215 Appendix B: System Features Appendix National Institute of Standards and Technology D. K. Harman `B. CONSTRU[OCRerr]ON OF INDICES, KNOWLEDGE BASES AND OIlIER DATA STRUCTURES-- STAļi[OCRerr]CS ON DATA STRUCTURES (Ci SYSThM NAME [OCRerr] CITY [ ERIM [OCRerr] ThIC ] CHRI Iu[OCRerr][OCRerr] ] SEC ] ETH ] TRW Knowledge Bases No None No lexicons No - Total Storage - Number of Concepts represented - Type of Representation Total Computer Build Time ? - Total Manual Time None - Use of Manual lebor (*) _________ __________ ____________ _____________ None - Auxiliary Files Needed (+) _________ __________ ____________ None Routing Structures No None No None No Total Storage (MB) __________ __________ - Total Computer Build Time - Automatic Process - Number of Manual Hours - Description of Method TREC text was ()ther Data Structures No None ___________ compressed No Yes [3] Yes Total Storage (MB) __________ ___________ ____________ 63[OCRerr]3 [1] _________ ___________ [4] 5 Total Computer Build Time (Hours) __________ ___________ ____________ 8 [2] _________ ___________ [5] <24 Automatic Process Yes Yes Yes Huflhian Description of Method coding, word __________________________ based model [6] _______ ) (a) machine-readable dictionary (1)) other (a) Mostly manually built using special interface (c) Initial core manually built to "bootstrap Mostly machine built with manual correction (d) Other