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- W2950156320 abstract "In this paper we describe a fully-dynamic data structure for the planar point location problem in the external memory model. Our data structure supports queries in $O(log_B n(loglog_B n)^3))$ I/Os and updates in $O(log_B n(loglog_B n)^2))$ amortized I/Os, where $n$ is the number of segments in the subdivision and $B$ is the block size. This is the first dynamic data structure with almost-optimal query cost. For comparison all previously known results for this problem require $O(log_B^2 n)$ I/Os to answer queries. Our result almost matches the best known upper bound in the internal-memory model." @default.
- W2950156320 created "2019-06-27" @default.
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- W2950156320 date "2019-03-15" @default.
- W2950156320 modified "2023-09-27" @default.
- W2950156320 title "Dynamic Planar Point Location in External Memory" @default.
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