?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Can%2C+Duy+Cat&rft.aulast=Can&rft.aufirst=Duy+Cat&rft.date=8+April+2019&rft.title=Improving+Semantic+Relation+Extraction+System+with+Compositional+Dependency+Unit+on+Enriched+Shortest+Dependency+Path&rft.genre=proceeding