• 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