2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/151276We investigate the use of a technique developed in the constraint programming community called constraint propagation to automatically make a HPSG theory more specific at those places where linguistically motivated underspecification would lead to inefficient processing. We discuss two concrete HPSG examples showing how off-line constraint propagation helps improve processing efficiency.10 pages, uuencoded gzipped PostscriptComputation and Languagetext