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importantSYS.SOURCE: orlp.net Blog• 2026-10-13T14:40:03Z

Efficient Sliding-Window Aggregation Using Two-Stack Algorithm

#sliding window#data structures#aggregation#algorithm#error handling

The article presents a two-stack algorithm for efficient sliding-window aggregation, handling non-invertible operations like minimum, maximum, and approximate counts with amortized O(1) time complexity. It emphasizes robustness against floating-point errors and maintains accurate window-specific aggregations without propagating outliers.

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