In this work, following the CoNLL-2004 shared task definition, we assume that the SRL system takes as input only partial syntactic information, and no external lexico-semantic knowledge bases.
we assume as input resources a part-of-speech tagger, a shallow parser that can process the input to the level of based chunks and clauses (Tjong Kim Sang and Buch-holz, 2000;Tjong Kim Sang and Déjean, 2001), and a named-entity recognizer (Tjong Kim Sang and De Meulder, 2003).