Perhaps you should try some spelling variations:
"modified quantile optimization algorithms" » "modified quantile optimisation algorithm", "modified quantile estimation algorithm", "modified quantile optimized algorithms", "modified quantile estimation algorithms", "modified quadratic optimization algorithms", "modified static optimization algorithms", "modified adaptive optimization algorithms"
"modified static estimation algorithms" » "modified static estimation algorithm", "modified static optimisation algorithm", "modified static approximation algorithms", "modified static optimization algorithms"

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