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The Cartographer
Linear-Time Online Algorithm Inferring the Shortest Path from a Walk
June 26, 2018 Β· Declared Dead Β· π SPIRE
"No code URL or promise found in abstract"
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Authors
Shintaro Narisada, Diptarama Hendrian, Ryo Yoshinaka, Ayumi Shinohara
arXiv ID
1806.09806
Category
cs.DS: Data Structures & Algorithms
Citations
1
Venue
SPIRE
Last Checked
4 months ago
Abstract
We consider the problem of inferring an edge-labeled graph from the sequence of edge labels seen in a walk of that graph. It has been known that this problem is solvable in $O(n \log n)$ time when the targets are path or cycle graphs. This paper presents an online algorithm for the problem of this restricted case that runs in $O(n)$ time, based on Manacher's algorithm for computing all the maximal palindromes in a string.
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