描述逻辑εVL的保守扩充 (Conservative Extensions in Description Logic εVL). - Dengguo Nie; Quan Yu; Wei Zhang; Yuming Shen (计算机科学, 2016)

描述逻辑εL循环术语集的保守扩充 (Conservative Extension in Description Logic εL with Cyclic Terminologies). - Yonghong Wang; Yuming Shen; Dengguo Nie; Ju Wang (计算机科学, 2017)