Co-authors: Yunbo Ouyang,Viral Gupta, Kinjal Basu, Cyrus Diciccio, Brendan Gavin, and Lin Guo. Most large-scale recommender systems like newsfeed ranking, people recommendations, job recommendations, etc., have multiple objectives that need to be simultaneously optimized. These objectives may include things like user engagement, diversity, novelty, freshness, or...
Multi-Objective Optimization Articles
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In Part 1 of this series, we introduced the problem of email volume optimization. We showed that on the one hand, email is among the principal drivers of engagement, but on the other hand, excessive email volume results in increased negative responses such as members unsubscribing from an email type or reporting emails as spam. We discussed an approach for email...
- Topics:
- Multi-Objective Optimization,
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In July 2015, we announced that we are reducing email volume so that members receive only the most relevant email communication from us. We have been making a concentrated effort in this direction, the results of which are hopefully already noticeable. In this post, we explain how we achieved those results. In part two of this series, we will discuss our new...
- Topics:
- Multi-Objective Optimization,