Based on our investigation, most comparable features estimated by our proposed method are more accurate than the ones estimated by the method of (Klementiev et al., 2012 Table 8 : Examples of comparable feature scores estimated by the method of <cite>(Klementiev et al., 2012)</cite> (above the bold line) and our proposed method (below the bold line) for the phrase pairs shown in Table 1 ("con", "top" and "tem" denote phrasal contextual, topical and temporal features respectively, "con lex", "top lex" and "tem lex" denote lexical contextual, topical and temporal features respectively).