3 papers
cs.LG2026
Who Wins Where? Conformal Model Comparison for Local Superiority
Yi Zhou, Baishi Li, Xuan Yao +1
Standard model comparison is global, aggregating losses across the covariate space to declare a single winner. This can obscure heterogeneous performance, where different models ar…
cs.CL2026
The Proxy Presumption: From Semantic Embeddings to Valid Social Measures
Baishi Li, Ta Yu, Kelvin J. L. Koa +1
Natural Language Processing is rapidly evolving into a primary instrument for Computational Social Science, with researchers increasingly using embeddings to measure latent constru…
q-fin.CP2026
FinStressTS: A Parametric Synthetic Benchmark for Time-Series Forecasting in Finance
Jiaze Sun, Kelvin J. L. Koa, Ruiyang Ni +3
Financial forecasting is difficult due to low signal-to-noise ratios, latent factors, heavy tails, regime shifts, and jumps. Real-world benchmarks offer limited failure attribution…