Xing Wang 0002 Zong Min Ma 0001 Changming Xu Jingwei Cheng Nonmonotonic Fuzzy Rules in the Semantic Web. 275-279 2009 FSKD (2) https://doi.org/10.1109/FSKD.2009.323 https://doi.ieeecomputersociety.org/10.1109/FSKD.2009.323 conf/fskd/2009 db/conf/fskd/fskd2009-2.html#WangMXC09