A Method of Unknown Words Processing for Neural Machine Translat...

An inherent weakness of neural machine translation (NMT) systems is their inability to correctly translate unknown words. Traditional unknown words processing methods are usually based on word vectors trained on large scale of monolingual corpus. Replacing the unknown words according to the similarity of word vectors. However, it suffers from two weaknesses: Firstly, the resulting vectors of unknown words are not of high quality; Secondly, it is difficult to deal with polysemous words. This pape