2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33241We describe a recently developed corpus annotation scheme for evaluating parsers that avoids shortcomings of current methods. The scheme encodes grammatical relations between heads and dependents, and has been used to mark up a new public-domain corpus of naturally occurring English text. We show how the corpus can be used to evaluate the accuracy of a robust parser, and relate the corpus to extant resources.7 pages, LaTeX (uses eaclap.sty)Computation and LanguageI.2.7text