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On-line construction of symmetric compact directed acyclic word graphs

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5 Author(s)

The Compact Directed Acyclic Word Graph (CDAWG) is a space-eflcient data structure that supports indices of a string. The Symmetric Directed Acyclic Word Graph (SCDAWG) for a string w is a dual structure that supports indices of both w and the reverse of w simultaneously. Blumer et al. gave the first algorithm to construct an SCDAWG from a given string, that works in an of-line manner. In this papec we show an on-line algorithm that constructs an SCDAWGfiom a given string directly.

Published in:

String Processing and Information Retrieval, 2001. SPIRE 2001. Proceedings.Eighth International Symposium on

Date of Conference:

13-15 Nov. 2001