... stands for the new feature based kernel (henceforth, TPWF kernel) computed using flat features collected by exploiting patterns, trigger words, negative cues and walk features KSL and KP ET stand ... syntactic dependency patterns, trigger words, negative cues, regular expression (henceforth, regex) patterns and walk features (i.e e-walks and v-walks)2 The syntactic dependency patterns are automatically ... the Stanford parser The edges with blue dots form the smallest common subgraph for the candidate entity pair pVHL and HIF1-Alpha, while the edges with red dots form the reduced graph for the...