SP500215 Appendix B: System Features Appendix National Institute of Standards and Technology D. K. Harman HE. QUERY CONS¶1tUCTION -- MANUAlLY CONSIItUCThD QUERIES (ROUTING) [OCRerr]bout 60 (1,ut this is a tough question because these were adhoc queries before). b) Word frequencies. c) Topic weights (for ranking, manual correction). (es--but this is merely the fact of the matter: the people who rendered judgments about the CLARIT-nominated query terms happened to be computer exp[OCRerr] ocs not require special expertise of any sort. a) Terms extracted from topic by naturalAanguage processing. b) Statistics from the training documents used for IDF[11[OCRerr] scoring. c) Terms extracted from relevant documents by natural-language processing and thesaurus extraction. d) Additional terminology nominated by team members as appropriate to the topic. with manual adhoc topics, manual routing queries reflect hand-correction of the output of the automatic query generating process. Correction took place prio if the query vector with thesaurus terminology.