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1. What does MapReduce do? Explain Map and Reduce functions. (25p) If the inputs are; - Welcome to Big Data - Introduction to Big Data

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1. What does MapReduce do? Explain Map and Reduce functions. (25p) If the inputs are; - Welcome to Big Data - Introduction to Big Data - Welcome! Our Class is big. - Data is the most important think in the big World. - Big Big Big Welcome Solve and draw the problem with the map-reduce. (Reduce function is Sum)

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