Leveraging LLMs for Influence Path Planning in Proactive Recommendation

• URL: http://arxiv.org/abs/2409.04827v2
• Date: Wed, 30 Apr 2025 19:55:56 GMT
• Title: Leveraging LLMs for Influence Path Planning in Proactive Recommendation
• Authors: Mingze Wang, Shuxian Bi, Wenjie Wang, Chongming Gao, Yangyang Li, Fuli Feng,
• Abstract summary: proactive recommender systems aim to guide user interest to gradually like a target item beyond historical interests.<n>IRS designs a sequential model for influence path planning but faces issues of lacking target item inclusion and path coherence.<n>We propose an LLM-based Influence Path Planning (LLM-IPP) method to generate coherent and effective influence paths.
• Score: 34.5820082133773
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recommender systems are pivotal in Internet social platforms, yet they often cater to users' historical interests, leading to critical issues like echo chambers. To broaden user horizons, proactive recommender systems aim to guide user interest to gradually like a target item beyond historical interests through an influence path,i.e., a sequence of recommended items. As a representative, Influential Recommender System (IRS) designs a sequential model for influence path planning but faces issues of lacking target item inclusion and path coherence. To address the issues, we leverage the advanced planning capabilities of Large Language Models (LLMs) and propose an LLM-based Influence Path Planning (LLM-IPP) method. LLM-IPP generates coherent and effective influence paths by capturing user interest shifts and item characteristics. We introduce novel evaluation metrics and user simulators to benchmark LLM-IPP against traditional methods. Our experiments demonstrate that LLM-IPP significantly enhances user acceptability and path coherence, outperforming existing approaches.

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