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Encheng Xie

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#machine learning Oct 2025

GMTRouter: Personalized LLM Router over Multi-turn User Interactions

This work proposes GMTRouter, which represents multi-turn user-LLM interactions as a heterogeneous graph with five node types: user, LLM, query, response and turn, thereby maximally preserving the rich relational structure of the interaction.

Encheng Xie, Yihang Sun, Tao Feng et al. · arXiv.org · 6 citations