• "Reclassification as supervised clustering." A. Sierra, and F. Corbacho. Neural Computation, vol. 12, pp. 2537-2546 (2000). (pdf)

• "Self-organizaing modular networks." A. Sierra, and F. Corbacho. Proceedings of Learning98, Madrid, Spain (1998).

• "Global and local neural network ensembles." A. Sierra, and C. Santa Cruz. Pattern Recognition Letters, vol. 19, pp. 651-655 (1998). (pdf)

EVOLUTIONARY COMPUTATION

• "Evolution of descent directions." A. Sierra, and I. Santibáñez. Proceedings of the 7th EU/MEeting on Adaptive, Self-Adaptive, and Multi-Level Metaheuristics. University of Málaga, Spain, 16-17 November (2006). (pdf)
• "Evolutionary discriminant analysis." A. Sierra, and A. Echeverría. IEEE Transactions on Evolutionary Computation, vol. 10 (1), 81-92, 2006. (pdf)

• "Perceptrons without output codes." A. Sierra, and A. Echeverría. Proceedings of the 5th WSEAS International Conference on Simulation, Modelling and Optimization, Corfu, Greece, (2005), pp. 331-336. (pdf)
• "Neural networks trained by distance to means." A. Sierra, and A. Echeverría. WSEAS Transactions on Information Science and Applications, vol. 2 (9), 1446-1453 ( 2005).
• "Skipping Fisher's criterion." A. Sierra, and A. Echeverría. Lecture Notes in Computer Science, vol. 2652, pp. 962-969 (2003).
(pdf)
• "Input and output feature selection." A. Sierra, and F. Corbacho. Lecture Notes in Computer Science, vol. 2415, pp. 625-630 (2002).
(pdf)
• "High order Fisher's discriminant analysis." A. Sierra. Pattern Recognition, vol. 35, pp. 215-226 (2002).
(pdf)
• "Evolution of functional link networks." A. Sierra, J. A. Macías, and F. Corbacho. IEEE Transactions on Evolutionary Computation, vol. 5, pp. 54-65 (2001).
(pdf)
• "Assembling global and local learning algorithms." A. Sierra, and C. Santa Cruz.. Proceedings of HELNET97, Montreux, Switzerland, 1997.
• "Neural Networks in large scale bank effect recognition." A. Sierra, C. Santa Cruz, V. López, G. Fractman, J. Dorronsoro, and C. Aguirre. Proceedings of the Third SNN Symposium on Neural Networks (1995), pp. 393 - 396.