@article{SisLab3755,
           title = {Ph{\^a}n t{\'i}ch m{\~a} {\dj}?c d?a tr{\^e}n c{\'a}c k{\~y} thu?t n-gram v{\`a} h{\d o}c m{\'a}y},
          author = {Thi Thu Trang Nguyen and Dai Tho Nguyen and Duy Loi Vu},
       publisher = {Posts and Telecommunications Institute of Technology},
            year = {2019},
         journal = {Journal of Science and Technology on Information and Communications},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/3755/},
        abstract = {M{\~a} {\dj}?c {\dj}ang l{\`a} m?i {\dj}e d{\d o}a l?n {\dj}?n an ninh c{\h u}a c{\'a}c h? th?ng m{\'a}y t{\'i}nh. V{\`i} v?y ph{\^a}n lo{\d a}i m{\~a} {\dj}?c {\dj}? c{\'o} nh?ng bi?n ph{\'a}p {\dj}?i ph{\'o} th{\'i}ch h?p l{\`a} m?t ph?n quan tr{\d o}ng trong l{\~i}nh v?c an to{\`a}n th{\^o}ng tin. Trong b{\`a}i b{\'a}o n{\`a}y ch{\'u}ng t{\^o}i c{\h a}i ti?n gi{\h a}i thu?t tr{\'i}ch r{\'u}t {\dj}i?m m?u trong quy tr{\`i}nh ph{\^a}n lo{\d a}i m? m{\~a} {\dj}?c d?a tr{\^e}n {\dj}i?m m?u {\dj}??c {\dj}? xu?t b?i Rieck v{\`a} c{\'a}c c{\^o}ng s? [1]. Ch{\'u}ng t{\^o}i {\'a}p d{\d u}ng t? t??ng c{\h u}a hai ph??ng ph{\'a}p ph{\^a}n lo{\d a}i d?a tr{\^e}n {\dj}i?m {\dj}?c tr?ng l{\`a} Dendroid [2] v{\`a} ph??ng ph{\'a}p {\dj}??c {\dj}? xu?t b?i P. Shrestha v{\`a} c{\'a}c c?ng s? [3], tr{\'i}ch r{\'u}t c{\'a}c {\dj}i?m m?u tr{\^e}n t?ng h{\d o} m{\~a} {\dj}?c thay v{\`i} d?a tr{\^e}n to{\`a}n b? c{\'a}c h{\d o} m{\~a} {\dj}?c. Th?c nghi?m cho th?y ph??ng ph{\'a}p c{\h u}a ch{\'u}ng t{\^o}i cho k?t qu{\h a} ph{\^a}n lo{\d a}i t?t v?i kh{\h a} n{\u a}ng nh?n bi?t m{\~a} {\dj}?c l{\`a} 0.981\% v{\`a} ph{\'a}t hi?n m{\~a} {\dj}?c m?i l{\`a} 0.988\% cao h?n phi{\^e}n b{\h a}n g?c c{\h u}a ph??ng ph{\'a}p d?a tr{\^e}n {\dj}i?m m?u [1].}
}