Journal of Northeastern University(Natural Science)
Conjunctive query answering to fuzzy description logic f-DLR-Lite∩
Cheng, Jing-Wei (1); Ma, Zong-Min (1); Yan, Li (1); Wang, Hai-Long (1)
Journal of Northeastern University . 2008, (9): 1249 -1252+1256 .  DOI: -