TAPRec: time-aware paper recommendation via the modeling of researchers’ dynamic preferences

Chi Jiang (), Xiao Ma (), Jiangfeng Zeng (), Yin Zhang (), Tingting Yang () and Qiumiao Deng ()
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Chi Jiang: University of Electronic Science and Technology of China
Xiao Ma: Zhongnan University of Economics and Law
Jiangfeng Zeng: Central China Normal University
Yin Zhang: University of Electronic Science and Technology of China
Tingting Yang: Zhongnan University of Economics and Law
Qiumiao Deng: Zhongnan University of Economics and Law

Scientometrics, 2023, vol. 128, issue 6, No 11, 3453-3471

Abstract: Abstract With the number of scientific papers growing exponentially, recommending relevant papers for researchers has become an important and attractive research area. Existing paper recommendation methods pay more attention to the textual similarity or the citation relationships between papers. However, they generally ignore the researcher’s dynamic research interests which affect the recommendation performance to a large extent. Additionally, cold start is also a serious problem in existing paper recommender systems since many researchers may have few publications, which makes the recommender systems fail to learn their preferences. In order to solve these issues, in this paper, we propose a Time-Aware Paper Recommendation (TAPRec) model, which learns researchers’ dynamic preferences by encoding the long-term and short-term research interests from their historical publications. The Self-Attention method is utilized to aggregate researchers’ consistent long-term research interests, while the short-term research focuses are implemented with Temporal Convolutional Networks (TCN). In addition, for researchers with few academic achievements, we combine their co-authors’ dynamic preferences to solve the cold-start problem. Experiments with the DBLP dataset indicate that the proposed time-aware model performs better in the recommendation accuracy compared to the state-of-the-arts methods.

Keywords: Paper recommendation; Time-aware; Dynamic preferences; Long/short-term research interests (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11192-023-04731-4

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