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Pengyu Nie

2 papers indexed

arxivcs.LGcs.AIcs.CL2026-07-02

Program-as-Weights: A Programming Paradigm for Fuzzy Functions

Wentao Zhang, Liliana Hotsko, Woojeong Kim, Pengyu Nie, Stuart Shieber, Yuntian Deng

Many everyday programming tasks resist clean rule-based implementation, such as alerting on important log lines, repairing malformed JSON, or ranking search results by intent, and are increasingly outsourced to large language model APIs at the cost of locality, reproducibility, a…

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arxivcs.SEcs.AIcs.CL2026-07-02

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

Jiale Amber Wang, Kaiyuan Wang, Pengyu Nie

Software tests and code evolve together: a code change should be followed by new or updated tests that record the new software behavior. Yet existing test generation and update benchmarks often isolate the test from the code change, and rely on static metadata that does not verif…

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