Oracles for Distances Avoiding a Failed Node or Link

We consider the problem of preprocessing an edge-weighted directed graph $G$ to answer queries that ask for the length and first hop of a shortest path from any given vertex $x$ to any given vertex $y$ avoiding any given vertex or edge. As a natural application, this problem models routing in networ...

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Vydané v:	SIAM journal on computing Ročník 37; číslo 5; s. 1299 - 1318
Hlavní autori:	Demetrescu, Camil, Thorup, Mikkel, Chowdhury, Rezaul Alam, Ramachandran, Vijaya
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Philadelphia, PA Society for Industrial and Applied Mathematics 01.01.2008
Predmet:	Algorithmics. Computability. Computer arithmetics Algorithms Applied sciences Combinatorics Combinatorics. Ordered structures Computer science; control theory; systems Exact sciences and technology Failure Graph theory Graphs Information retrieval. Graph Mathematics Miscellaneous Queries Sciences and techniques of general use Theoretical computing 68P05 Vertex Query 68W01 Node 90B18 Network data structures Oracle Distance Failure graph algorithms Edge(graph) Construction network failures; 05C85 Shortest path Algorithm Failures Weighted graph shortest paths Network routing Digraph Application Directed graph Link 05C38
ISSN:	0097-5397, 1095-7111
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