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- W2002364208 abstract "We present a labeling scheme for rooted trees that supports ancestor queries. Given a tree, the scheme assigns to each node a label which is a binary string. Given the labels of any two nodes u and v, it can in constant time be determined whether u is ancestor to v alone from these labels. For trees of size n our scheme assigns labels of size bounded by log n + O(√log n) bits to each node. This improves a recent result of Abiteboul, Kaplan and Milo at SODA'01, where a labeling scheme with labels of size 3/2log n + O(log log n) was presented. The problem is among other things motivated in connection with efficient representation of information for XML-based search engines for the internet." @default.
- W2002364208 created "2016-06-24" @default.
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- W2002364208 date "2002-01-06" @default.
- W2002364208 modified "2023-09-27" @default.
- W2002364208 title "Improved labeling scheme for ancestor queries" @default.
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- W2002364208 doi "https://doi.org/10.5555/545381.545504" @default.
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