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Tianyu Ding

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#natural language process... Preprint Oct 2026

Re-executing Coding-Agent Evaluations: Unchanged Decisions and Unresolved Policy Risk

Executable tests grade large language model (LLM) coding-agent patches for leaderboards, rewards and self-improvement. Two preregistered re-execution studies returned negative results. SWE-bench Pro v1's offline option rejected none of 59 accepted Go patches whose grading configuration changed. Their exploratory, unwei...

Tian-Yu Ding, Yao Tong, Mu-Zhi Yang et al. · 0 citations

Do LLM Attribution Metrics Transfer? Auditing Retrieval-Augmented Generation Evaluation Across Datasets and Constructs

This work audits eight automatic scorers -- lexical, embedding, and BERTScore baselines alongside entailment/grounding-trained models -- across three evaluation constructs (provenance/topicality, generated-answer attribution, and fact-check entailment), asking whether any scorer transfers: stays within the 95% confiden...

Tianyu Ding, Aditya Nannapaneni, Juan Pablo De la Cruz Weinstein · 0 citations

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