Netflix Recommendations: Beyond the 5 stars (Part 1)
by Xavier Amatriain and Justin Basilico (Personalization Science and Engineering) In this two-part blog post, we will open the doors of one of the most valued Netflix assets: our recommendation system. In Part 1, we will relate the Netflix Prize to the broader recommendation challenge, outline the external components of our personalized service, and highlight how our task has evolved with the busi
Writing An Hadoop MapReduce Program In Python
In this tutorial I will describe how to write a simple MapReduce program for Hadoop in the Python programming language. Motivation What we want to do Prerequisites Python MapReduce Code Map step: mapper.py Reduce step: reducer.py Test your code (cat data | map | sort | reduce) Running the Python Code on Hadoop Download example input data Copy local example data to HDFS Run the MapReduce job Improv
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