Abstract:In this paper we present multiset-trie -a novel data structure which operates on objects represented as multisets. The multiset-trie is a search-tree-based data structure with properties similar to those of a trie. In particular, we efficiently implement the standard search tree operations together with the special set containment operations, i.e. subset and superset queries in the context of multisets. These are called submultiset and supermultiset, respectively, and are used for implementation of various que… Show more
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