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Open AccessProceedings ArticleDOI

Deep Neural Networks for YouTube Recommendations

Paul Covington, +2 more
- pp 191-198
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TLDR
This paper details a deep candidate generation model and then describes a separate deep ranking model and provides practical lessons and insights derived from designing, iterating and maintaining a massive recommendation system with enormous user-facing impact.
Abstract
YouTube represents one of the largest scale and most sophisticated industrial recommendation systems in existence. In this paper, we describe the system at a high level and focus on the dramatic performance improvements brought by deep learning. The paper is split according to the classic two-stage information retrieval dichotomy: first, we detail a deep candidate generation model and then describe a separate deep ranking model. We also provide practical lessons and insights derived from designing, iterating and maintaining a massive recommendation system with enormous user-facing impact.

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Citations
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Do Offline Metrics Predict Online Performance in Recommender Systems

TL;DR: This work investigates the extent to which offline metrics predict online performance by evaluating eleven recommenders across six controlled simulated environments and study the impact of adding exploration strategies, and observes that their effectiveness is highly dependent on the recommendation algorithm.
Journal ArticleDOI

Learning and Fusing Multiple User Interest Representations for Micro-Video and Movie Recommendations

TL;DR: This paper considers efficient representations of four aspects of user interest and proposes item-level representation, which is learned from and integrates the features of a user's historical items, and investigates neighbor-assisted representation, i.e. using neighboring users’ information to characterize user interest collaboratively.
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ATBRG: Adaptive Target-Behavior Relational Graph Network for Effective Recommendation

TL;DR: A new framework named Adaptive Target-Behavior Relational Graph network (ATBRG) is proposed to effectively capture structural relations of target user-item pairs over KG, and empirical results show that ATBRG consistently and significantly outperforms state-of-the-art methods.
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Top-N Recommendation with Counterfactual User Preference Simulation

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Understanding Capacity-Driven Scale-Out Neural Recommendation Inference

TL;DR: This work specifically explores latency-bounded inference systems, compared to the throughput-oriented training systems of other recent works, and finds that the latency and compute overheads of distributed inference are largely attributed to a model's static embedding table distribution and sparsity of inference request inputs.
References
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Batch Normalization: Accelerating Deep Network Training by Reducing Internal Covariate Shift

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