The UIUC dataset has laid a platform for the follow-up research including (Hacioglu and Ward, 2003;Zhang and Lee, 2003;Li and Roth, 2006; Krishnan et al., 2005;Moschitti et al., 2007).
to Li and Roth (2006)'s approach which makes use of a very rich feature set, we propose to use a compact yet effective feature set.