Table 4 clearly shows that the overall performance of all methods is lower for verb similarity.
one line of active research is post processing the word vector embedding by transforming the space using a single or multi-relational objective (Yih et al., 2012;Tang et al., 2014;Chang et al., 2013;Tang et al., 2014;Zhang et al., 2014;Faruqui et al., 2015;Mrkšić et al., 2016).