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View all- Amagata DYamada JJi YHara T(2024)Efficient Algorithms for Top-k Stabbing Queries on Weighted Interval DataDatabase and Expert Systems Applications10.1007/978-3-031-68309-1_12(146-152)Online publication date: 26-Aug-2024
This paper studies a type of continuous queries called range thresholding on streams (RTS). Imagine the stream as an unbounded sequence of elements each of which is a real value. A query registers an interval, and must be notified as soon as a certain ...
We consider the following problem: Given an unsorted array of n elements, and a sequence of intervals in the array, compute the median in each of the subarrays defined by the intervals. We describe a simple algorithm which needs O(nlogk+klogn) time to ...
We present a static data structure for orthogonal range reporting on a U x U x U integer grid. Our data structure supports orthogonal range reporting queries in O((log log n)2 + log log U + k) time and uses O(n log4 n) space, where k is the size of the ...
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