From the paper :
C Moreau, T Devogele, C de Runz, V Peralta, E Moreau, L Etienne Fuzz-IEEE, 2021
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Beta variable controls the frontiers of the fuzzy membership function.
Beta -> ∞ <=> All symbols in sequences are taken into account in sequences.
Beta -> 0 <=> Hamming distance
The sim:Σ x Σ -> [0,1] function defined the similarity between all symbols in the alphabet of sequences Σ.
Basicaly, we can use the trival distance function.
The Wu-Palmer similarity function used a knowledge graph (i.e., ontology) for symbol comparison. An example of graph structure is given in the file "ontology_emd.txt".
Granularity of the time interval I according to the defined unit of time. By default 5 minutes