?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Du%2C+Phuong+Hanh&rft.aulast=Du&rft.aufirst=Phuong+Hanh&rft.date=10+December+2016&rft.title=Optimizing+the+Shortest+Path+Query+on+Large-Scale+Dynamic+Directed+Graph&rft.genre=proceeding