1. FML/GFML
(1) H. D. Huang, C. S. Lee, M. H. Wang, and H. Y. Kao, "IT2FS-based ontology with soft-computing mechanism for malware behavior analysis," (SCI) Soft Computing, vol. 18, no. 2, pp. 267-284, Feb. 2014.
2. Fuzzy ontology