2 papers
cs.LG2026
Scores Are Not Decisions: Cost-Aware Stopping for Tool Acquisition in LLM Agents
Yicheng Feng, Yan Zhang, Yan Cheng +1
As LLM agents increasingly depend on diverse external services such as search engines, databases, and connectors, agent harnesses face a fundamental tool-selection challenge: acqui…
cs.AI2026
ActivityEditor: Learning to Synthesize Physically Valid Human Mobility
Chenjie Yang, Yutian Jiang, Anqi Liang +3
Human mobility modeling is indispensable for diverse urban applications. However, existing data-driven methods often suffer from data scarcity, limiting their applicability in regi…