00570nam 2200169z- 450 9910694649903321(CKB)5470000002364201(EXLCZ)99547000000236420120230503cuuuuuuuu -u- -engKnowledge management : an abstraction of knowledge base and database management systemsWashington, D.CKnowledge management BOOK9910694649903321Knowledge management : an abstraction of knowledge base and database management systems3126731UNINA