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Hadoop in Practice by Alex Holmes

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Chapter 7. Utilizing data structures and algorithms

 

This chapter covers
  • Representing data structures such as graphs and Bloom filters in MapReduce
  • Applying algorithms such as PageRank and semi-joins to large amounts of data
  • Learning how social network companies recommend making connections with people outside your network

 

In this chapter we’ll look at how you can implement algorithms in MapReduce to work with internet-scale data. We’ll focus on nontrivial data, which is commonly represented using graphs.

We’ll also look at how you can use graphs to model connections between entities, such as relationships in a social network. We’ll run through a number of useful algorithms that can be performed over graphs, such as the shortest path ...

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