Paper: FASTUS: A System For Extracting Information From Text

ACL ID H93-1026
Title FASTUS: A System For Extracting Information From Text
Venue Human Language Technologies
Session Main Conference
Year 1993

Comparison opera.lions can then be defined for each of these data. l.ypes, returning vahies of Equal, Snbstnnes, Inconsistent, and hlcorupa.rable. (]onlbina.tion operations ca.n also be defined. fined. For exainple, the cornbination of two uunil)er or date ranges is the nlore restrictive range. For striligs, the conll)ination depends on the semantic categories of the heads of the strings. If one is more specific than the other, the more sl)ecific term is the resu It. of the combhmt,ion. t,ion. There are t.hree types of actions that be l)erformed after doing a comparison. The items can be merged or c.ombined. If they are incomparable and if the slot. in t.he target struct,ure admits eonlpound entries, die two call simply be added together. Or the unification of the l.wo items can be rqjecte...