%0 Journal Article %A Peng Jiang %A Kexin Yan %A Haijian Chen %A Hai Sun %T Building of online evaluation system based on socket protocol %J Computer Science and Information Systems %D 2022 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CSIS_2022_19_1_a10/ %F CSIS_2022_19_1_a10