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Pengyu Nie

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#artificial intelligence Preprint Oct 2026

Assembling Insights for Agentic Machine Learning Engineering Systems

This work systematically study how insights from related MLE tasks affect agentic MLE systems, and how their impact depends on insight type and injection method, and introduces MLE-InsightBench, a benchmark of 160 Kaggle competitions across 12 domains.

Bi-Hui Jin, Yin-Xi Li, Kai-Yuan Wang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

OSWorld-Science: A Benchmark of Computer Use Agents for Learning and Using Scientific Software

Scientific software presents a demanding test for computer-using agents based on visual language models (VLMs): completing a research workflow requires interpreting specialized interfaces, manipulating scientific objects, and producing verifiable results. We thus introduce OSWorld-Science, a benchmark and evaluation en...

Ding-Yuan Dai, He-Li Qi, Lei Liu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Compile by Training: Turning Natural-Language Specifications into Local Neural Functions

Many recurring text functions are easy to describe but difficult to implement with rules, while calling a large remote model for every input introduces repeated cost, latency, and dependency on a provider. We present compile by training, which turns a natural-language specification into a reusable neural function. At c...

Yun-Tian Deng, Peng-Yu Nie, Stuart M. Shieber · 0 citations
Jul 2026

What Makes a Good Bug Report for an AI Agent?

It is found that a good bug report for an agent overlaps with, but is not identical to, a good report for a human: agents benefit most from concrete, executable, and well-localized information, whereas some qualities long emphasized for human readers, such as natural language steps to reproduce and readable description...

Lara Khatib, N. Mathews, M. Nagappan et al. · 2 citations · ⚡1
Preprint Jul 2026

TestEvo-Bench: An Executable and Live Benchmark for Test and Code Co-Evolution

TestEvo-Bench is a benchmark of test and code co-evolution tasks mined from software repositories, with two tracks: in test generation, the agent shall write new tests to capture the new software behavior; in test update, the agent shall adapt failing existing tests to the changed software behavior.

J. Wang, Kaiyuan Wang, Pengyu Nie · 1 citation
Book Open access Jul 2026

When AI Coding Assistants Leak Training Data: A Study of LLM Memorization in Code Generation

It is confirmed that memorization persists in modern LLMs and is influenced more by a complex interplay of training domain, dataset composition, architectural choices, and content characteristics, rather than parameter count alone.

Xiaoyu Cheng, Kundi Yao, Pengyu Nie et al. · 0 citations

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