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 notion estimation algorithms" » "modified notion estimation algorithm", "modified notion optimisation algorithm", "modified notion approximation algorithms", "modified motion estimation algorithms"

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