Personalized News Recommendation with Multi-granularity Candidate-aware User Modeling

• URL: http://arxiv.org/abs/2504.14130v1
• Date: Sat, 19 Apr 2025 01:14:55 GMT
• Title: Personalized News Recommendation with Multi-granularity Candidate-aware User Modeling
• Authors: Qiang Li, Xinze Lin, Shenghao Lv, Faliang Huang, Xiangju Li,
• Abstract summary: This study proposes a multi-granularity candidate-aware user modeling framework.<n>It consists of two main components: candidate news encoding and user modeling.<n>Experiments on a real-world dataset demonstrated that the proposed model could significantly outperform baseline models.
• Score: 6.0674653824284475
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Matching candidate news with user interests is crucial for personalized news recommendations. Most existing methods can represent a user's reading interests through a single profile based on clicked news, which may not fully capture the diversity of user interests. Although some approaches incorporate candidate news or topic information, they remain insufficient because they neglect the multi-granularity relatedness between candidate news and user interests. To address this, this study proposed a multi-granularity candidate-aware user modeling framework that integrated user interest features across various levels of granularity. It consisted of two main components: candidate news encoding and user modeling. A news textual information extractor and a knowledge-enhanced entity information extractor can capture candidate news features, and word-level, entity-level, and news-level candidate-aware mechanisms can provide a comprehensive representation of user interests. Extensive experiments on a real-world dataset demonstrated that the proposed model could significantly outperform baseline models.

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