1. Berrado, A., Runger, G.C.: Using metarules to organize and group discovered association rules. Data Min. Knowl. Disc. 14(3), 409–431 (2007)
2. Browne, P.: JBoss drools business rules. Packt Publishing Ltd, Birmingham (2009)
3. Carver, N.: A revisionist view of blackboard systems. In: MAICS 1997. Dayton, USA (1997)
4. Corkill, D.D.: Blackboard systems. AI Expert 6(9), 40–47 (1991)
5. Giarratano, J.C., Riley, G.: Expert systems. PWS Publishing Co., Boston (1998)