?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nguyen%2C+Ngoc+Vu&rft.aulast=Nguyen&rft.aufirst=Ngoc+Vu&rft.issue=4&rft.volume=6&rft.date=18+October+2019&rft.issn=2196-8888&rft.atitle=Improving+Named+Entity+Recognition+in+Vietnamese+Texts+by+a+Character-Level+Deep+Lifelong+Learning+Model&rft.title=Vietnam+J.+Computer+Science&rft.pages=471-487&rft.genre=article