A periodogram-based metric for time series classification. - Jorge Caiado; Nuno Crato; Daniel Peña (Comput. Stat. Data Anal., 2006)

Comparison of Times Series with Unequal Length in the Frequency Domain. - Jorge Caiado; Nuno Crato; Daniel Peña (Commun. Stat. Simul. Comput., 2009)

A fragmented-periodogram approach for clustering big data time series. - Jorge Caiado; Nuno Crato; Pilar Poncela (Adv. Data Anal. Classif., 2020)

On the classification of financial data with domain agnostic features. - João A. Bastos; Jorge Caiado (Int. J. Approx. Reason., 2021)