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Beihang University

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Preprint Sep 2026

Agent Approval Laundering: Transitive Effects Beyond the Approved Invocation

Coding-agent approval interfaces bind a human decision to a command or tool call, while developer tools execute the transitive workflow that invocation activates. Package installation can run lifecycle hooks and write files; an MCP call can exercise network authority. We call the resulting record-coverage failure appro...

Jin-Qian Zhang, Hao-Jun Xia, Shu-Jiang Wu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Persistent Billable State: Denial-of-Wallet Attacks and Defenses in Tool-Calling LLM Agents

Multi-step tool-calling LLM agents rely on host runtimes to preserve state across turns. When a runtime carries an external tool return into later model inputs, providers meter it again. An admitted malicious or compromised tool can thereby convert untrusted data into recurring victim-billed processing without victim c...

Jin-Qian Zhang, Hao-Jun Xia, Shu-Jiang Wu et al. · 0 citations
Preprint Aug 2026

ICEGR: An Intent-Coherent End-to-End Generative Retrieval Framework for E-commerce Search

Generative Retrieval (GR) is promising for e-commerce search, yet existing methods struggle to maintain query-intent consistency throughout the training pipeline. First, semantic ID (SID) construction based on static product information limits the ability of SIDs to encode product-intent associations. Second, although...

Jiayi Tuo, He-Han Li, Dong-Jun Fu et al. · 0 citations
Review Open access Aug 2026

Collective Communication for Distributed LLM Systems: Planning, Runtime Adaptation, and Computation Coordination

This paper presents a tutorial-style, collective-centric taxonomy for collective communication, which organizes recent advances into three layers: communication planning, which generates topology-aware collective schedules; communication execution and adaptation, which maps these schedules onto GPU runtimes and hardwar...

Xue-Bin Song, Menghao Zhang, Yue Liu et al. · 0 citations

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