Multi-Agent Robot Architectures: The Decomposition Issue and a Case Study. - Elpida Tzafestas; Spyros N. Raptis; Spyros G. Tzafestas (Int. J. Artif. Intell. Tools, 1998)

Fuzzy-probabilistic object recognition based on edge and texture descriptors fusion. - Spyros N. Raptis; Spyros G. Tzafestas (SMC, 2000)

Optimal Genetic Representation of Complete Strictly-Layered Feedforward Neural Networks. - Spyros N. Raptis; Spyros G. Tzafestas; Hermione Karagianni (IWANN (2), 2001)