A conceptualization method uses maximum or other substrings of a string pattern to find specific N-tuples of substring triples with N≧2 and m=1 . . . N inside a reference set (SET_r_i) of strings (STR_n_i). Each N-tuple is considered as a candidate for representing related concepts. Each concatenation of the substrings triples is an explicit member of the reference set (SET_r_i). Each middle substring out of middle substrings is unequal to another middle substring out of middle substrings within the substring triples found inside the reference set (SET_r_i). Each prefix substring (X_i) is equal to all other prefix substrings (X_i) within the substring triples found inside the reference set (SET_r_i). Each suffix substring (Z_i) is equal to all other prefix substrings (Z_i) within the substring triples found inside the reference set (SET_r_i). Either the prefix substring (X_i) or the suffix substring (Z_i) is not empty.
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