@misc {IOPORT.70441255,
    author       = {Orman, Levent V.},
    title        = {Knowledge base architecture},
    howpublished = {ACM SIGBDP Conference on Trends and Directions in Expert Systems, 325-336 (1990).},
    year         = {1990},
    doi          = {10.1145/97709.97732},
    identifier   = {70441255},
}