More recently, Xu et al. (2014) combined the training objective of SKIP-GRAM<cite> (Mikolov et al., 2013a)</cite> with the training objective of (Bordes et al., 2013) to incorporate lexical 1 There exists work on relation extraction and knowledgebase completion that combines structured relation triplets and logical rules with unstructured text using various forms of latent variable models (Riedel et al., 2013; Chang et al., 2014; Toutanova et al., 2015; Rocktäschel et al., 2015) .