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DeepFM: A Factorization-Machine based Neural Network for CTR Prediction

2017/03/13 by Huifeng Guo, Ruiming Tang, Guo, Huifeng +7 · 219 citations
Computer Science · #Advanced Image and Video Retrieval Techniques #Image Retrieval and Classification Techniques #Recommender Systems and Techniques #cs.CL #cs.IR

paper · pdf · doi:10.48550/arxiv.1703.04247

arxiv created 2017/03/13 · arxiv updated 2017/03/14

Abstract

Learning sophisticated feature interactions behind user behaviors is critical in maximizing CTR for recommender systems. Despite great progress, existing methods seem to have a strong bias towards low- or high-order interactions, or require expertise feature engineering. In this paper, we show that it is possible to derive an end-to-end learning model that emphasizes both low- and high-order feature interactions. The proposed model, DeepFM, combines the power of factorization machines for recommendation and deep learning for feature learning in a new neural network architecture. Compared to the latest Wide & Deep model from Google, DeepFM has a shared input to its "wide" and "deep" parts, with no need of feature engineering besides raw features. Comprehensive experiments are conducted to demonstrate the effectiveness and efficiency of DeepFM over the existing models for CTR prediction, on both benchmark data and commercial data.

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