共 4 条
- [2] Attributive concept descriptions with complements .2 Schmidt-Schauμ M,Smolka G. Artificial Intelligence . 1991
- [3] Description logics with transitive roles .2 Horrocks I,Gough G. Proc. of DL‘97 . 1997
- [4] Relationships between nondeterministic and deterministic tape complexities .2 Savitch,W.J. Journal of Computer and System Sciences . 1970