2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/151526We argue for a performance-based design of natural language grammars and their associated parsers in order to meet the constraints imposed by real-world NLP. Our approach incorporates declarative and procedural knowledge about language and language use within an object-oriented specification framework. We discuss several message-passing protocols for parsing and provide reasons for sacrificing completeness of the parse in favor of efficiency based on a preliminary empirical evaluation.12 pages, uses epsfig.styComputation and Languagetext