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IEICE TRANSACTIONS on Information

Hierarchical Preference Hash Network for News Recommendation

Jianyong DUAN, Liangcai LI, Mei ZHANG, Hao WANG

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Summary :

Personalized news recommendation is becoming increasingly important for online news platforms to help users alleviate information overload and improve news reading experience. A key problem in news recommendation is learning accurate user representations to capture their interest. However, most existing news recommendation methods usually learn user representation only from their interacted historical news, while ignoring the clustering features among users. Here we proposed a hierarchical user preference hash network to enhance the representation of users' interest. In the hash part, a series of buckets are generated based on users' historical interactions. Users with similar preferences are assigned into the same buckets automatically. We also learn representations of users from their browsed news in history part. And then, a Route Attention is adopted to combine these two parts (history vector and hash vector) and get the more informative user preference vector. As for news representation, a modified transformer with category embedding is exploited to build news semantic representation. By comparing the hierarchical hash network with multiple news recommendation methods and conducting various experiments on the Microsoft News Dataset (MIND) validate the effectiveness of our approach on news recommendation.

Publication
IEICE TRANSACTIONS on Information Vol.E105-D No.2 pp.355-363
Publication Date
2022/02/01
Publicized
2021/10/22
Online ISSN
1745-1361
DOI
10.1587/transinf.2021EDP7034
Type of Manuscript
PAPER
Category
Artificial Intelligence, Data Mining

Authors

Jianyong DUAN
  North China University of Technology,CNONIX National Standard Application and Promotion Lab
Liangcai LI
  North China University of Technology,CNONIX National Standard Application and Promotion Lab
Mei ZHANG
  North China University of Technology
Hao WANG
  North China University of Technology,CNONIX National Standard Application and Promotion Lab

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