Adaptive Personalized Conversational Information Retrieval

• URL: http://arxiv.org/abs/2508.08634v1
• Date: Tue, 12 Aug 2025 04:53:33 GMT
• Title: Adaptive Personalized Conversational Information Retrieval
• Abstract summary: We propose an adaptive personalization method, in which we first identify the required personalization level for a query.<n>We design a personalization-aware ranking fusion approach to assign fusion weights dynamically to different reformulated queries.<n>The results confirm the effectiveness of adaptive personalization of APCIR by outperforming state-of-the-art methods.
• Score: 30.206057429014294
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Personalized conversational information retrieval (CIR) systems aim to satisfy users' complex information needs through multi-turn interactions by considering user profiles. However, not all search queries require personalization. The challenge lies in appropriately incorporating personalization elements into search when needed. Most existing studies implicitly incorporate users' personal information and conversational context using large language models without distinguishing the specific requirements for each query turn. Such a ``one-size-fits-all'' personalization strategy might lead to sub-optimal results. In this paper, we propose an adaptive personalization method, in which we first identify the required personalization level for a query and integrate personalized queries with other query reformulations to produce various enhanced queries. Then, we design a personalization-aware ranking fusion approach to assign fusion weights dynamically to different reformulated queries, depending on the required personalization level. The proposed adaptive personalized conversational information retrieval framework APCIR is evaluated on two TREC iKAT datasets. The results confirm the effectiveness of adaptive personalization of APCIR by outperforming state-of-the-art methods.

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