Longest common subsequence - https://en.wikipedia.org/wiki/Longest_common_subsequence

Longest common substring - https://en.wikipedia.org/wiki/Longest_common_substring

Generalized suffix tree - https://en.wikipedia.org/wiki/Generalized_suffix_tree

suffix tree

Third normal form - https://en.wikipedia.org/wiki/Third_normal_form

Boyce–Codd normal form - https://en.wikipedia.org/wiki/Boyce%E2%80%93Codd_normal_form