“…The proposed system architecture of intelligent CEP is shown in Figure 2; it mainly involves two components: event collector engine and CEP engine under D number theory 6 Mathematical Problems in Engineering PRA 1 (5,7,9) (3, 5, 7) (7, 9, 10) (7, 9, 10) PRA 2 (3, 5, 7) (5, 7, 9) (3, 5, 7) (5, 7, 9) PRA 3 (7, 9, 10) (3, 5, 7) (7, 9, 10) (5,7,9) (b) Alternative Expert 2 1 2 3 4 PRA 1 (9, 10, 10) (3, 5, 7) (7, 9, 10) (7, 9, 10) PRA 2 (9, 10, 10) (5, 7, 9) (9, 10, 10) (3, 5, 7) PRA 3 (9, 10, 10) (5, 7, 9) (9, 10, 10) (7, 9, 10) PRA 1 (3, 5, 7) (7, 9, 10) (3, 5, 7) (7, 9, 10) PRA 2 (5,7,9) (5, 7, 9) (7, 9, 10) (3, 5, 7) PRA 3 (5, 7, 9) (7, 9, 10) (3, 5, 7) (9, 10, 10)…”