2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/116931Previous preliminary results on the application of knowledge networks to noise reduction in stationary harmonic and weakly chaotic signals are extended to more general cases. The formalism gives a novel algorithm from which statistical tests for the identification of deterministic behavior in noisy stationary time series can be constructed.9 pages, 21 figuresData Analysis, Statistics and ProbabilityDisordered Systems and Neural Networkstext