An Efficient Implementation of Trie Structures

@article{Aoe1992AnEI,
  title={An Efficient Implementation of Trie Structures},
  author={Jun-Ichi Aoe and Katsushi Morimoto and Takashi Sato},
  journal={Softw., Pract. Exper.},
  year={1992},
  volume={22},
  pages={695-721}
}
A new internal array structure, called a double-array, implementing a trie structure is presented. The double-array combines the fast access of a matrix form with the compactness of a list form. The algorithms for retrieval, insertion and deletion are introduced through examples. Although insertion is rather slow, it is still practical, and both the deletion and the retrieval time can be improved from the list form. From the comparison with the list for various large sets of keys, it is shown… CONTINUE READING
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