Following its monolingual counterpart (Mikolov et al., 2013c, inter alia), bilingual word representation learning has attracted considerable attention.
most of the works require parallel data as the cross-lingual signal (Zou et al., 2013;Chandar A P et al., 2014;Hermann and Blunsom, 2014;Kočiský et al., 2014;Luong et al., 2015;Coulmance et al., 2015), making them unsuitable for bilingual lexicon induction.