Approximate Distance Oracles with Improved Bounds
Approximate Distance Oracles with Improved Bounds
复制标题
具有改进边界的近似距离预言机
DOI:
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
S. Chechik
中科院分区:
文献类型:
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作者:
S. Chechik
A distance oracle is a compact data structure capable of quickly estimating distances in a given graph. In this paper we provide a new construction for distance oracles in general undirected weighted graphs. Our data structure, for any integer k, requires O( n1+1/k) space, guarantees a stretch of 2k-1, and answers any query in only O(1) time.