How Lucene Powers the LinkedIn Segmentation and Targeting Platform
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Presented by Hien Luu, Technical Lead, LinkedIn ...
Presented by Hien Luu, Technical Lead, LinkedIn
Rajasekaran Rangaswamy, LinkedIn
For internet companies, marketing campaigns play an important role in acquiring new customers, retaining and engaging existing customers, and promoting new products. The LinkedIn segmentation and targeting platform helps marketing teams to easily and quickly create member segments based on member attributes using nested predicate expressions ranging from simple to complex. Once segments are created, then those qualified members are targeted with marketing campaigns.
Lucene is a key piece of technology in this platform. This session will cover how we leverage Hadoop to efficiently build Lucene indexes for a large and growing member attribute data set of 225 million members, and how Lucene is used to create segments based on complex nested predicate expressions. This presentation will also share some of the lessons we learned and challenges we encountered from using Lucene to search over large data sets.
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