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- W4321011741 abstract "Conversational recommenders are emerging as a powerful tool to personalize a user's recommendation experience. Through a back-and-forth dialogue, users can quickly hone in on just the right items. Many approaches to conversational recommendation, however, only partially explore the user preference space and make limiting assumptions about how user feedback can be best incorporated, resulting in long dialogues and poor recommendation performance. In this paper, we propose a novel conversational recommendation framework with two unique features: (i) a greedy NDCG attribute selector, to enhance user personalization in the interactive preference elicitation process by prioritizing attributes that most effectively represent the actual preference space of the user; and (ii) a user representation refiner, to effectively fuse together the user preferences collected from the interactive elicitation process to obtain a more personalized understanding of the user. Through extensive experiments on four frequently used datasets, we find the proposed framework not only outperforms all the state-of-the-art conversational recommenders (in terms of both recommendation performance and conversation efficiency), but also provides a more personalized experience for the user under the proposed multi-groundtruth multi-round conversational recommendation setting." @default.
- W4321011741 created "2023-02-17" @default.
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- W4321011741 date "2023-02-13" @default.
- W4321011741 modified "2023-09-28" @default.
- W4321011741 title "Enhancing User Personalization in Conversational Recommenders" @default.
- W4321011741 doi "https://doi.org/10.48550/arxiv.2302.06656" @default.
- W4321011741 hasPublicationYear "2023" @default.
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