SP500215 Appendix B: System Features Appendix National Institute of Standards and Technology D. K. Harman IC. CONSTRUCTION OF INDICES, KNOWLEDGE BASES, AND OTHER DATA STRUCTURES--DATA BUILT FROM OTHER SOU Because we used the UMASS INQUERY system and its indexing, all of the answers to the questions in this section for our Systems are identical to those fort Closest to a semantic net: sets of synonyms interrelated through lexical relations. bsts of countries and cities, extracted from gazeteer. Built for TREC-1 in <1 hour. Not modified for TREC-2. Built for TREC-1 in - 2 hou[OCRerr] Not modified for TREC-2.