@article{SisLab1307,
          volume = {1},
          number = {1},
           month = {February},
          author = {Thanh Son Cao and Linh Anh Nguyen and Andrzej Szalas},
           title = {WORL: a Nonmonotonic Rule Language for the Semantic Web},
         journal = {Vietnam Journal of Computer Science},
           pages = {57--69},
            year = {2014},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/1307/}
}