?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Tran%2C+Trong+Hieu&rft.aulast=Tran&rft.aufirst=Trong+Hieu&rft.date=2015&rft.title=Argumentation+framework+for+merging+stratified+belief+bases&rft.genre=proceeding