Deeplearningmethodsemploymultipleprocessinglayerstolearnhierarchicalrepresentationsofdata,andhaveproducedstate-of-the-artresultsinmanydomains.Recently,avarietyofmodeldesignsandmethodshaveblossomedinthecontextofnaturallanguageprocessing(NLP).Inthispaper,wereviewsignificantdeeplearningrel