Big Data: Principles and Best Practices of Scalable Realtime Data Systems by Nathan Marz & James Warren

Author:Nathan Marz & James Warren [Marz, Nathan & Warren, James]
Language: eng
Format: epub
Tags: computers, Enterprise Applications, General, Data Processing, Databases, data mining, Management Information Systems
ISBN: 9781617290343
Google: HW-kMQEACAAJ
Publisher: Manning
Published: 2015-11-15T23:39:59.502521+00:00

The next step is to select a single user identifier for each person. This is the most sophisticated portion of the workflow, as it involves a fully distributed iterative graph algorithm. Despite its complexity, it only requires a few small pipe diagrams to solve it. With the appropriate tooling, you can implement it in only about 100 lines of code (as will be demonstrated in the next chapter).

User IDs are marked as belonging to the same person via equiv edges. If you were to visualize these edges from a dataset, you’d see numerous independent subgraphs, as shown in figure 8.7.

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