Yi et al. ( 2007 ) has made the first attempt working on the single semantic role level to make further improvement .
can semantic roles generalize across genres
Szu-ting Yi Edward Loper Martha Palmer
Although we make discriminations of arguments and adjuncts , the analysis is still coarse-grained . Yi et al. ( 2007 ) has made the first attempt working on the single semantic role level to make further improvement . However , the impact of this idea is limited due to that the amount of the research target , ARG2 , is few in PropBank .
@@CITATION has made the first attempt working on the single semantic role level to make further improvement .