Reinforcement learning with verifiable rewards provides a sparse post-training signal: a single binary outcome evaluates the entire rollout, and every token receives the same sequence-level advantage regardless of its individual contribution. To complement this sparse supervision, a growing family of methods adds a sca...
Xin-Ke Jiang, Tao Feng, Zhi-Bang Yang et al.· 0 citations
Long-term memory supports the self-evolution of LLM agents by retaining experience and skills across tasks and enabling their retrieval, reuse, and revision in subsequent long-horizon decision-making. Yet existing memory management approaches remain limited to discriminative retrieval and to address the sparse, hierarc...
Xin-Ke Jiang, Tao Feng, Wei-Xuan Xu et al.· 0 citations
Large language model agents increasingly rely on long-horizon reasoning to solve complex tasks involving planning, tool use, and memory. A critical capability in such settings is reflection: assessing trajectory progress, identifying missing evidence and unreliable intermediate states, and deciding whether to continue,...
Zhi-Xin Zhang, Xin-Ke Jiang, Zhi-Bang Yang et al.· 0 citations
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