“…Similarity based classification was previously studied in several papers: different similarity measures in similarity classifiers were examined by Luukka (2007;, while aggregation with OWA operators within the similarity classifier was studied by Luukka and Kurama (2013). Similarity based classification was also found to be useful in combination with using various principal component analysis (PCA) methods (Luukka, 2009;Luukka and Leppalampi, 2006) and with feature selection (Luukka, 2011). Similarity based classification was applied in a variety of classification problems, e.g., in classifying chromosomes (Sivaramakrishnan and Arun, 2014), in 3D face recognition (Ezghari et al, 2015), and in freeway * Corresponding author incident duration modeling (Vlahogianni and Karlaftis, 2013).…”