Title
TDR: Two-stage deep recommendation model based on mSDA and DNN.
Abstract
Recently, deep learning techniques have been widely used in recommendation tasks and have attained record performance. However, the input quality of the deep learning model has a great influence on the recommendation performance. In this work, an efficient and effective input optimization method is proposed. Specifically, we propose an integrated recommendation framework based on two-stage deep learning. In the first stage, with user and item features as the original input, a low-cost marginalized stacked denoising auto-encoder (mSDA) model is used to learn the latent factors of users and items. In the second stage, the resulting latent factors are combined and used as input vector to the DNN model for fast and accurate prediction. Using the latent factor vector as the input to the deep learning-based recommendation model not only captures the high-order feature interaction, but also reduces the burden of the hidden layer, and also avoids the model training falling into local optimum. Extensive experiments with real-world datasets show that the proposed model shows much better performance than the state-of-the-art recommendation methods in terms of prediction accuracy, parameter space and training speed.
Year
DOI
Venue
2020
10.1016/j.eswa.2019.113116
Expert Systems with Applications
Keywords
DocType
Volume
Recommender system,Deep learning,Input optimization,Marginalized denoising auto-encoder,Deep neural network
Journal
145
ISSN
Citations 
PageRank 
0957-4174
0
0.34
References 
Authors
0
3
Name
Order
Citations
PageRank
Ruiqin Wang1131.58
Yunliang Jiang213422.20
jungang lou318417.24