Full-Fledged Real-Time Indexing for Constant Size Alphabets

Full-Fledged Real-Time Indexing for Constant Size Alphabets In this paper we describe a data structure that supports pattern matching queries on a dynamically arriving text over an alphabet of constant size. Each new symbol can be prepended to T in O(1) worst-case time. At any moment, we can report all occurrences of a pattern P in the current text in $$O(|P|+k)$$ O ( | P | + k ) time, where |P| is the length of P and k is the number of occurrences. This resolves, under assumption of constant size alphabet, a long-standing open problem of existence of a real-time indexing method for string matching (see Amir and Nor in Real-time indexing over fixed finite alphabets, pp. 1086–1095, 2008). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Algorithmica Springer Journals

Full-Fledged Real-Time Indexing for Constant Size Alphabets

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Publisher
Springer US
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Computer Science; Algorithm Analysis and Problem Complexity; Theory of Computation; Mathematics of Computing; Algorithms; Computer Systems Organization and Communication Networks; Data Structures, Cryptology and Information Theory
ISSN
0178-4617
eISSN
1432-0541
D.O.I.
10.1007/s00453-016-0199-7
Publisher site
See Article on Publisher Site

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