AdaMem: Adaptive User-Centric Memory for Long-Horizon Dialogue Agents

March 2026 Shannan Yan*, Jingchen Ni*, Leqi Zheng, Jiajun Zhang, Peixi Wu, Dacheng Yin, Jing Lyu, Chun Yuan, Fengyun Rao Under review at EMNLP 2026 (THU-A)
AdaMem: Adaptive User-Centric Memory for Long-Horizon Dialogue Agents

Overview

We propose AdaMem, an adaptive user-centric memory framework for long-horizon dialogue agents. AdaMem organizes dialogue history into working, episodic, persona, and graph memories, and employs a question-conditioned retrieval route combining semantic retrieval with relation-aware graph expansion. AdaMem achieves state-of-the-art performance on the LoCoMo and PERSONAMEM benchmarks.