... rules. Application of ten metarules to forty basic rules yielded 283 grammar rules in the 1/1/82 version of the GPSG system. Since then the grammar has been expanded somewhat, though the ... computational tractability of Generalized Phrase Structure Grammar (GPSG), (2) implementing a GPSG system covering a large fragment of English, and (3) establishing the feasibility of using GPSG ... increase efficiency. The first is that its grammar is context-free in the informal sense sometimes (rather misleadingly) used in discussions of the autonomy of grammar and pragmatics: the syntactic...
Ngày tải lên: 08/03/2014, 18:20
English Grammar Tests-Elementary Level''''s archiveCommon English Errors (2) pdf
Ngày tải lên: 26/07/2014, 06:20