1. Case-based reasoning: Foundational issues, methodological variations and system approaches;Aamodt;AI Communications,1994
2. SMART: Support management automated reasoning technology for Compaq customer service;Acorn,1992
3. Althoff, K-D., Auriol, E., Barletta, R., & Manago, M. (1995). A review of industrial case-based reasoning tools. AI Perspectives Report. Oxford OX2 7XL: AI Intelligence.
4. Developing industrial case-based reasoning applications: The INRECA methodology;Bergmann,2003
5. eGain (2008). .