"CCGbank is a translation of the Penn Treebank into a corpus of Combinatory Categorial Grammar derivations. It pairs syntactic derivations with sets of word-word dependencies which approximate the underlying predicate-argument structure ... CCGbank contains 99.44% of the sentences in the Penn Treebank, for which it corrects a number of inconsistencies and errors in the original annotation"--LDC Catalog.
"LDC2005T13."