Awakening Dormant Users: Generative Recommendation with Counterfactual Functional Role Reasoning
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arXiv
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866918337031700480 |
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| author | Luo, Huishi Li, Shuokai Yang, Hanchen Sun, Zhongbo Ding, Haojie Zhang, Boheng Cai, Zijia Qian, Renliang Yang, Fan Gao, Tingting Lei, Chenyi Ou, Wenwu Zhuang, Fuzhen |
| author_facet | Luo, Huishi Li, Shuokai Yang, Hanchen Sun, Zhongbo Ding, Haojie Zhang, Boheng Cai, Zijia Qian, Renliang Yang, Fan Gao, Tingting Lei, Chenyi Ou, Wenwu Zhuang, Fuzhen |
| contents | Awakening dormant users, who remain engaged but exhibit low conversion, is a pivotal driver for incremental GMV growth in large-scale e-commerce platforms. However, existing approaches often yield suboptimal results since they typically rely on single-step estimation of an item's intrinsic value (e.g., immediate click probability). This mechanism overlooks the instrumental effect of items, where specific interactions act as triggers to shape latent intent and drive subsequent decisions along a conversion trajectory. To bridge this gap, we propose RoleGen, a novel framework that synergizes a Conversion Trajectory Reasoner with a Generative Behavioral Backbone. Specifically, the LLM-based Reasoner explicitly models the context-dependent Functional Role of items to reconstruct intent evolution. It further employs counterfactual inference to simulate diverse conversion paths, effectively mitigating interest collapse. These reasoned candidate items are integrated into the generative backbone, which is optimized via a collaborative "Reasoning-Execution-Feedback-Reflection" closed-loop strategy to ensure grounded execution. Extensive offline experiments and online A/B testing on the Kuaishou e-commerce platform demonstrate that RoleGen achieves a 6.2% gain in Recall@1 and a 7.3% increase in online order volume, confirming its effectiveness in activating the dormant user base. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_13134 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Awakening Dormant Users: Generative Recommendation with Counterfactual Functional Role Reasoning Luo, Huishi Li, Shuokai Yang, Hanchen Sun, Zhongbo Ding, Haojie Zhang, Boheng Cai, Zijia Qian, Renliang Yang, Fan Gao, Tingting Lei, Chenyi Ou, Wenwu Zhuang, Fuzhen Information Retrieval Awakening dormant users, who remain engaged but exhibit low conversion, is a pivotal driver for incremental GMV growth in large-scale e-commerce platforms. However, existing approaches often yield suboptimal results since they typically rely on single-step estimation of an item's intrinsic value (e.g., immediate click probability). This mechanism overlooks the instrumental effect of items, where specific interactions act as triggers to shape latent intent and drive subsequent decisions along a conversion trajectory. To bridge this gap, we propose RoleGen, a novel framework that synergizes a Conversion Trajectory Reasoner with a Generative Behavioral Backbone. Specifically, the LLM-based Reasoner explicitly models the context-dependent Functional Role of items to reconstruct intent evolution. It further employs counterfactual inference to simulate diverse conversion paths, effectively mitigating interest collapse. These reasoned candidate items are integrated into the generative backbone, which is optimized via a collaborative "Reasoning-Execution-Feedback-Reflection" closed-loop strategy to ensure grounded execution. Extensive offline experiments and online A/B testing on the Kuaishou e-commerce platform demonstrate that RoleGen achieves a 6.2% gain in Recall@1 and a 7.3% increase in online order volume, confirming its effectiveness in activating the dormant user base. |
| title | Awakening Dormant Users: Generative Recommendation with Counterfactual Functional Role Reasoning |
| topic | Information Retrieval |
| url | https://arxiv.org/abs/2602.13134 |