SP500215 Appendix B: System Features Appendix National Institute of Standards and Technology D. K. Harman HD. QUERY CONSTRU[OCRerr]ON-.AUTOMATICAIiY BUILT QUERIES (ROUTING) YSThM NAME [OCRerr] CITY [ ERIM [OCRerr] TMC [OCRerr] CITRI [ UCLA [OCRerr] SEC [OCRerr] ETh tically Built Queries (routing) N/A Concept strings; jelds Used None Nationality strings All _________ ________ Ml All 8 hours for [)mputer Time to Build Time for initial queries; `oDds) individual queries 1 - 1.5 seconds 2 hours for 10-20 not known optimization 600 msec.Iquery [OCRerr] Used in Building Query ____________ Selected from (*) 3 (1] 1 1 1 1 (stoplist and _______ suffix stripping) 3, weights were Weighting with weights based Robertson/Sparck- 1 (nif); [OCRerr] Jones P4 2 _______ ______ 2 2 (nidf) E[traction from (*) 1 1,2 No 1, using simple identification of [OCRerr]c Parsing of (*) ________________ concepts ________ 1,2 No Sense Disambiguation using (*) ________________ ________ ________ No r Noun Identification Algorithm (*) 1 No izer from (*) __________________ __________________ ________________ __________ _________ No Ii Patterns? [OCRerr]c Associations to add terms [OCRerr]*) ______________ _________ ________ ________ No sion of Queries Using usly Constructed Data Structure ________ ________ No [OCRerr] Structure? latic Addition of Boolean `ctors Proximity Qperators Information from (*) No Yes (2] No