Design map and reduce functions to exploit mapreduce

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Reference no: EM133694843

Question: Suppose we want to use a MapReduce framework to compute minhash signatures. If the matrix is stored in chunks that correspond to some columns, then it is quite easy to exploit parallelism. Each Map task gets some of the columns and all the hash functions, and computes the minhash signatures of its given columns, However, suppose the matrix were chunked by rows, so that a Map task is given the hash functions and a set of rows to work on. Design Map and Reduce functions to exploit MapReduce with data in this form. (The Example 3.8 on Page 85 may help you develop the solutions.)

Reference no: EM133694843

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