A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative Filtering

Due to the widespread availability of implicit feedback (e.g., clicks and purchases), some researchers have endeavored to design recommender systems based on implicit feedback. However, unlike explicit feedback, implicit feedback cannot directly reflect user preferences. Therefore, although more cha...

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Main Authors: Yu Liu, Shuai Wang, M. Shahrukh Khan, Jieyu He
Format: Article
Language:English
Published: Tsinghua University Press 2018-09-01
Series:Big Data Mining and Analytics
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Online Access:https://www.sciopen.com/article/10.26599/BDMA.2018.9020019
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author Yu Liu
Shuai Wang
M. Shahrukh Khan
Jieyu He
author_facet Yu Liu
Shuai Wang
M. Shahrukh Khan
Jieyu He
author_sort Yu Liu
collection DOAJ
description Due to the widespread availability of implicit feedback (e.g., clicks and purchases), some researchers have endeavored to design recommender systems based on implicit feedback. However, unlike explicit feedback, implicit feedback cannot directly reflect user preferences. Therefore, although more challenging, it is also more practical to use implicit feedback for recommender systems. Traditional collaborative filtering methods such as matrix factorization, which regards user preferences as a linear combination of user and item latent vectors, have limited learning capacities and suffer from data sparsity and the cold-start problem. To tackle these problems, some authors have considered the integration of a deep neural network to learn user and item features with traditional collaborative filtering. However, there is as yet no research combining collaborative filtering and content-based recommendation with deep learning. In this paper, we propose a novel deep hybrid recommender system framework based on auto-encoders (DHA-RS) by integrating user and item side information to construct a hybrid recommender system and enhance performance. DHA-RS combines stacked denoising auto-encoders with neural collaborative filtering, which corresponds to the process of learning user and item features from auxiliary information to predict user preferences. Experiments performed on the real-world dataset reveal that DHA-RS performs better than state-of-the-art methods.
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spelling doaj-art-a53ddef0dab44b9bbbdf6a2515c9a12f2025-02-02T06:00:35ZengTsinghua University PressBig Data Mining and Analytics2096-06542018-09-011321122110.26599/BDMA.2018.9020019A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative FilteringYu Liu0Shuai Wang1M. Shahrukh Khan2Jieyu He3<institution content-type="dept">School of Computer Science and Engineering, and also with MOE Key Laboratory of Computer Network and Information Integration</institution>, <institution>Southeast University</institution>, <city>Nanjing</city> <postal-code>211189</postal-code>, <country>China</country>.<institution content-type="dept">School of Computer Science and Engineering, and also with MOE Key Laboratory of Computer Network and Information Integration</institution>, <institution>Southeast University</institution>, <city>Nanjing</city> <postal-code>211189</postal-code>, <country>China</country>.<institution content-type="dept">School of Computer Science and Engineering, and also with MOE Key Laboratory of Computer Network and Information Integration</institution>, <institution>Southeast University</institution>, <city>Nanjing</city> <postal-code>211189</postal-code>, <country>China</country>.<institution content-type="dept">School of Computer Science and Engineering, and also with MOE Key Laboratory of Computer Network and Information Integration</institution>, <institution>Southeast University</institution>, <city>Nanjing</city> <postal-code>211189</postal-code>, <country>China</country>.Due to the widespread availability of implicit feedback (e.g., clicks and purchases), some researchers have endeavored to design recommender systems based on implicit feedback. However, unlike explicit feedback, implicit feedback cannot directly reflect user preferences. Therefore, although more challenging, it is also more practical to use implicit feedback for recommender systems. Traditional collaborative filtering methods such as matrix factorization, which regards user preferences as a linear combination of user and item latent vectors, have limited learning capacities and suffer from data sparsity and the cold-start problem. To tackle these problems, some authors have considered the integration of a deep neural network to learn user and item features with traditional collaborative filtering. However, there is as yet no research combining collaborative filtering and content-based recommendation with deep learning. In this paper, we propose a novel deep hybrid recommender system framework based on auto-encoders (DHA-RS) by integrating user and item side information to construct a hybrid recommender system and enhance performance. DHA-RS combines stacked denoising auto-encoders with neural collaborative filtering, which corresponds to the process of learning user and item features from auxiliary information to predict user preferences. Experiments performed on the real-world dataset reveal that DHA-RS performs better than state-of-the-art methods.https://www.sciopen.com/article/10.26599/BDMA.2018.9020019hybrid recommender systemneural collaborative filteringauto-encoderimplicit feedback
spellingShingle Yu Liu
Shuai Wang
M. Shahrukh Khan
Jieyu He
A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative Filtering
Big Data Mining and Analytics
hybrid recommender system
neural collaborative filtering
auto-encoder
implicit feedback
title A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative Filtering
title_full A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative Filtering
title_fullStr A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative Filtering
title_full_unstemmed A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative Filtering
title_short A Novel Deep Hybrid Recommender System Based on Auto-encoder with Neural Collaborative Filtering
title_sort novel deep hybrid recommender system based on auto encoder with neural collaborative filtering
topic hybrid recommender system
neural collaborative filtering
auto-encoder
implicit feedback
url https://www.sciopen.com/article/10.26599/BDMA.2018.9020019
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