?url_ver=Z39.88-2004&rft_id=doi%3A10.1109%2FAPSCC.2011.48&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Pham%2C+Huyen+Trang&rft.aulast=Pham&rft.aufirst=Huyen+Trang&rft.date=2011&rft.title=A+Solution+for+Grouping+Vietnamese+Synonym+Feature+Words+in+Product+Reviews&rft.btitle=2011+IEEE+Asia-Pacific+Services+Computing+Conference&rft.genre=proceeding