It has been reported that SRL can benefit from phrase-structure and dependency-based syntactic parsing (Hacioglu, 2004 Pradhan et al., 2005).
much research efforts have been devoted to statistical machine learning methodologies for SRL (Bjkelund et al., 2009;Gildea and Jurafsky, 2002;Shi et al., 2009;Johansson and Nugues, 2008a;Lang and Lapata, 2010;Pradhan et al., 2008;Fürstenau and Lapata, 2009;Titov and Klementiev, 2011, among others).