Abstract PGF (Portable Grammar Format) is a low-level language used as a target of compiling grammars written in GF (Grammatical Framework). Low-level and simple, PGF is easy to re...
We present a simple and effective framework for exploiting multiple monolingual treebanks with different annotation guidelines for parsing. Several types of transformation pattern...
We discuss a grammar development process used to generate the trees of the wide-coverage Lexicalized Tree Adjoining Grammar (LTAG) for English of the XTAG Project. Result of the c...