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I am not sure if this is "state of the art" but take a look at this paper Efficient subset and superset queries. Basicallly you use a bitset to represent a set, and add it to a binary trie.
I am not sure if this is "state of the art" but take a look at this paper Efficient subset and superset queries. Basicallly you use a bitset to represent a set, and add it to a binary trie.
I am not sure if this is "state of the art" but take a look at this paper Efficient subset and superset queries. Basicallly you use a bitset to represent a set, and add it to a binary trie.
