1. Martin V Butz , Tim Kovacs , Pier Luca Lanzi, and Stewart W Wilson . 2004 . Toward a theory of generalization and learning in XCS. IEEE transactions on evolutionary computation 8, 1 (2004), 28--46. Martin V Butz, Tim Kovacs, Pier Luca Lanzi, and Stewart W Wilson. 2004. Toward a theory of generalization and learning in XCS. IEEE transactions on evolutionary computation 8, 1 (2004), 28--46.
2. An algorithmic description of XCS
3. Be real! XCS with continuous-valued inputs
4. The vision of autonomic computing
5. Generalization in the XCSF Classifier System: Analysis, Improvement, and Extension