Taming Uncertainty

Sahil's Notepad

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  • Blog Post: Random Sampling over Joins

    Source: On Random Sampling over Joins. Surajit Chaudhuri, Rajeev Motwani, Vivek Narasayya, Sigmod 1999. What? Random sampling as a primitive relational operator: SAMPLE(R, f) where R is the relation and f the sample fraction. SAMPLE(Q, f) is a tougher problem, where Q is a relation produced...
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