3 papers
cs.CL2026
Not Until the Evidence Says So: Teaching LLM Investigators When to Close a Case
Tingzhu Bi, Ping Wang, Meng Ma
Accident, defect and outage investigations end with a decision that ordinary question answering never faces: whether the evidence gathered so far is enough to close the case. We st…
cs.SE2026
JustDiag!: A Diagnostic Justification Engine for Accountable Root Cause Analysis
Tingzhu Bi, Xinrui Jiang, Xun Zhang +5
Large language models can produce fluent root cause analyses, but fluent final answers alone are insufficient evidence for accountability in high-stakes operations. In real inciden…
cs.LG2025
UnCLe: Towards Scalable Dynamic Causal Discovery in Non-linear Temporal Systems
Tingzhu Bi, Yicheng Pan, Xinrui Jiang +3
Uncovering cause-effect relationships from observational time series is fundamental to understanding complex systems. While many methods infer static causal graphs, real-world syst…