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Modern large-scale kernel-based tests such as maximum mean discrepancy (MMD) and kernelized Stein discrepancy (KSD) optimize kernel hyperparameters on a held-out sample via data splitting to obtain the most powerful test statistics. While…

Machine Learning · Computer Science 2020-10-20 Jonas M. Kübler , Wittawat Jitkrittum , Bernhard Schölkopf , Krikamol Muandet

Large Language Models (LLMs) have revolutionized code generation, achieving exceptional results on various established benchmarking frameworks. However, concerns about data contamination - where benchmark data inadvertently leaks into…

Hardware Architecture · Computer Science 2025-06-13 Zeng Wang , Minghao Shao , Jitendra Bhandari , Likhitha Mankali , Ramesh Karri , Ozgur Sinanoglu , Muhammad Shafique , Johann Knechtel

Measuring the in-context computational effort of language models is a key challenge, as metrics like next-token loss fail to capture reasoning complexity. Prior methods based on latent state compressibility can be invasive and unstable. We…

Machine Learning · Computer Science 2025-12-30 Vincent Herrmann , Eric Alcaide , Michael Wand , Jürgen Schmidhuber

We introduce the Kernel Calibration Conditional Stein Discrepancy test (KCCSD test), a non-parametric, kernel-based test for assessing the calibration of probabilistic models with well-defined scores. In contrast to previous methods, our…

Machine Learning · Statistics 2025-10-17 Pierre Glaser , David Widmann , Fredrik Lindsten , Arthur Gretton

Benchmark datasets in computer vision often contain off-topic images, near duplicates, and label errors, leading to inaccurate estimates of model performance. In this paper, we revisit the task of data cleaning and formalize it as either a…

When designing a diagnostic model for a clinical application, it is crucial to guarantee the robustness of the model with respect to a wide range of image corruptions. Herein, an easy-to-use benchmark is established to evaluate how deep…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Yunlong Zhang , Yuxuan Sun , Honglin Li , Sunyi Zheng , Chenglu Zhu , Lin Yang

Measuring similarity between incomplete data is a fundamental challenge in web mining, recommendation systems, and user behavior analysis. Traditional approaches either discard incomplete data or perform imputation as a preprocessing step,…

Machine Learning · Computer Science 2025-10-16 Yang Cao , Sikun Yang , Kai He , Wenjun Ma , Ming Liu , Yujiu Yang , Jian Weng

The discovery of causal relationships in a set of random variables is a fundamental objective of science and has also recently been argued as being an essential component towards real machine intelligence. One class of causal discovery…

Machine Learning · Statistics 2024-02-01 Tim Tse , Zhitang Chen , Shengyu Zhu , Yue Liu

Language models pre-trained on web-scale corpora demonstrate impressive capabilities on diverse downstream tasks. However, there is increasing concern whether such capabilities might arise from evaluation datasets being included in the…

Computation and Language · Computer Science 2024-01-12 Minhao Jiang , Ken Ziyu Liu , Ming Zhong , Rylan Schaeffer , Siru Ouyang , Jiawei Han , Sanmi Koyejo

Leakage of confidential information represents a serious security risk. Despite a number of novel, theoretical advances, it has been unclear if and how quantitative approaches to measuring leakage of confidential information could be…

Cryptography and Security · Computer Science 2010-07-07 Jonathan Heusser , Pasquale Malacaria

In text classification tasks, fine tuning pretrained language models like BERT and GPT-3 yields competitive accuracy; however, both methods require pretraining on large text datasets. In contrast, general topic modeling methods possess the…

Computation and Language · Computer Science 2024-02-13 Weijie Xu , Xiaoyu Jiang , Jay Desai , Bin Han , Fuqin Yan , Francis Iannacci

In recent years, dataset distillation has provided a reliable solution for data compression, where models trained on the resulting smaller synthetic datasets achieve performance comparable to those trained on the original datasets. To…

The boom of DL technology leads to massive DL models built and shared, which facilitates the acquisition and reuse of DL models. For a given task, we encounter multiple DL models available with the same functionality, which are considered…

Software Engineering · Computer Science 2021-03-10 Linghan Meng , Yanhui Li , Lin Chen , Zhi Wang , Di Wu , Yuming Zhou , Baowen Xu

Comparing differently sized data sets is one main task in model assessment and calibration. This is due to field data being generally sparse compared to simulated model results. We tackled this task by the application of a new…

Applications · Statistics 2023-08-30 Maria-Theresia Pelz , Christopher Somes

In the field of fraud detection, the availability of comprehensive and privacy-compliant datasets is crucial for advancing machine learning research and developing effective anti-fraud systems. Traditional datasets often focus on…

Machine Learning · Computer Science 2024-04-24 Phoebe Jing , Yijing Gao , Xianlong Zeng

The expanding integration of Large Language Models (LLMs) into recommender systems poses critical challenges to evaluation reliability. This paper identifies and investigates a previously overlooked issue: benchmark data leakage in…

Machine Learning · Computer Science 2026-05-27 Mingqiao Zhang , Qiyao Peng , Yinghui Wang , Hongtao Liu , Yumeng Wang

Vulnerability detection is a crucial yet challenging task to identify potential weaknesses in software for cyber security. Recently, deep learning (DL) has made great progress in automating the detection process. Due to the complex…

Cryptography and Security · Computer Science 2024-10-10 Yuejun Guo , Seifeddine Bettaieb

Large language models (LLMs) have achieved strong performance on natural language to SQL (NL2SQL) benchmarks, yet their reported accuracy may be inflated by contamination from benchmark queries or structurally similar patterns seen during…

Computation and Language · Computer Science 2026-04-21 Mohammadtaher Safarzadeh , Hitesh Laxmichand Patel , Afshin Orojlooyjadid , Graham Horwood , Dan Roth

Multimodal Large Language Models (MLLMs) show impressive vision-language benchmark performance, yet growing concerns about data contamination (test set exposure during training) risk masking true generalization. This concern extends to…

Artificial Intelligence · Computer Science 2025-06-10 Ming Liu , Wensheng Zhang

Due to the over-emphasize of the quantity of data, the data quality has often been overlooked. However, not all training data points contribute equally to learning. In particular, if mislabeled, it might actively damage the performance of…

Machine Learning · Computer Science 2021-09-13 Vaibhav Pulastya , Gaurav Nuti , Yash Kumar Atri , Tanmoy Chakraborty