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Detecting and tracking monotonicity for accelerating range and inequality queries

Image Number 4 for United States Patent #8176035.

A computer implemented method, apparatus, and computer usable program code for detecting monotonicity. A determination is made as to whether a function that is assumed to be monotonic will remain monotonic after performing an operation in response to receiving the operation. The operation is allowed to be performed in response to a determination that the function will remain monotonic after performing the operation.

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