CoPersona introduces a multiplex persona graph for facet-level peer alignment and a dual-branch retrieval-plus-reasoning architecture to improve LLM personalization under sparse and biased user interaction data.
arXiv:2010.03240 [cs.IR] https://arxiv.org/abs/2010.03240
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A real-time hard negative sampling technique using LLM-based clustering outperforms standard in-batch and out-of-batch methods for training two-tower models in large-scale recommendation systems.
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CoPersona: Collaborative Persona Graphs for Robust LLM Personalization
CoPersona introduces a multiplex persona graph for facet-level peer alignment and a dual-branch retrieval-plus-reasoning architecture to improve LLM personalization under sparse and biased user interaction data.
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Real-Time Hard Negative Sampling via LLM-based Clustering for Large-Scale Two-Tower Retrieval
A real-time hard negative sampling technique using LLM-based clustering outperforms standard in-batch and out-of-batch methods for training two-tower models in large-scale recommendation systems.