SP500215 Appendix B: System Features Appendix National Institute of Standards and Technology D. K. Harman lID. QUERY CONSTRUCTION[OCRerr][OCRerr]AUTOMATICALLY BUILT QUERIES (ROUTING) SThM NAME j------ThEj CLARIT f I-SI ] HNC r NYU [SYRACU ially Built Queries (routing) Yes [5] _____________________ `Isiri" - all "1sir2" - no topic info; used only text of Ids Used relevant documents Same as topic, desc _____________________________ Title, dese, narr, con (from training) Same as adhoc acihoc narr, con 10-300 seconds less than iputer Time to Build (depending on amount second ____________________________ _____ 180 ids) _____ seconds per quer[OCRerr]1] - 0.1 - 0.2 sec/query [6] of training data) 3.2 (Stage 1) LJsed in Building Que[OCRerr] 1 ("Isiri') [OCRerr]lected from (*) 1, 3 [2] 3 ("lsir21) 1 2 1 1, 2 [OCRerr]ighting with weights based on (*) _____ 1, 2, 3 [3] 3 ("Isiri" & "lsir2") No 2 (Stage 2) [OCRerr][OCRerr][OCRerr]traction from (*) No 1,2 1,2 Parsingof(*) 1,2,3 [4] _________________ No 1,2 1 Rule based syntactic mse Disambiguation using (*) category disambiguation No 1 [OCRerr]un Identification Algorithm Unilnown words treated 1 [OCRerr]artial) _____ as proper nouns No 2 (partial) 1 r from (*) No No 1 [OCRerr].atterns? Dates Associations to add terms _________________________ No No 2 No n of Queries Using y Constructed Data Structure Yes No The first-order clusters from `tructure? thesaurus described in I. training data ic Addition of Boolean [OCRerr]rs Proximity Operators Yes [OCRerr]rmation from (*) No No ______________ (Stage 1) [OCRerr] Booleon operators on concepts portion of No topics No (2) All training Documents -[OCRerr]) Documents with relevance judgments