Dynamic 3-sided Planar Range Queries with Expected Doubly Logarithmic Time

Gerth Stølting Brodal, Alexis C. Kaporis, Apostolos N. Papadopoulos, Spyros Sioutas, Konstantinos Tsakalidis, Kostas Tsichlas

This work studies the problem of 2-dimensional searching for the 3-sided range query of the form $[a, b]\times (-\infty, c]$ in both main and external memory, by considering a variety of input distributions. We present three sets of solutions each of which examines the 3-sided problem in both RAM and I/O model respectively. The presented data structures are deterministic and the expectation is with respect to the input distribution.

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