Question: 3. Count-Min Sketch: Inner-Product Query (20 points + 20 points). Continue with Count-Min Sketch, consider the problem of estimating the inner product of two frequency

3. Count-Min Sketch: Inner-Product Query (20 points + 20 points). Continue with Count-Min Sketch, consider the problem of estimating the inner product of two frequency vectors a and b, denoted by aob. Define (aob) k1 aob - min (aob), Show that aOb s aob (20 points), and with probability 1 -6, aob s aOb + ellalllbll (20 points)

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