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Data quality plays a key role in big data management today. With the explosive growth of data from a variety of sources, the quality of data is faced with multiple problems. Motivated by this, we study the multiple data quality improvement…

数据库 · 计算机科学 2018-08-02 Xiaoou Ding , Hongzhi Wang , Jiaxuan Su , Jianzhong Li , Hong Gao

Understanding causal heterogeneity is essential for scientific discovery in domains such as biology and medicine. However, existing methods lack causal awareness, with insufficient modeling of heterogeneity, confounding, and observational…

机器学习 · 计算机科学 2025-10-29 Wenrui Li , Qinghao Zhang , Xiaowo Wang

Data-driven methods have achieved notable performance on intent detection, which is a task to comprehend user queries. Nonetheless, they are controversial for over-confident predictions. In some scenarios, users do not only care about the…

计算与语言 · 计算机科学 2022-03-18 Yantao Gong , Cao Liu , Fan Yang , Xunliang Cai , Guanglu Wan , Jiansong Chen , Weipeng Zhang , Houfeng Wang

The correction of exposure-related issues is a pivotal component in enhancing the quality of images, offering substantial implications for various computer vision tasks. Historically, most methodologies have predominantly utilized spatial…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Xiaoke Shang , Gehui Li , Zhiying Jiang , Shaomin Zhang , Nai Ding , Jinyuan Liu

The goal of model-based diagnosis is to isolate causes of anomalous system behavior and recommend inexpensive repair actions in response. In general, precomputing optimal repair policies is intractable. To date, investigators addressing…

人工智能 · 计算机科学 2013-02-21 Sampath Srinivas , Eric J. Horvitz

Vision-Language Models (VLMs), with their powerful content generation capabilities, have been successfully applied to data annotation processes. However, the VLM-generated labels exhibit dual limitations: low quality (i.e., label noise) and…

机器学习 · 计算机科学 2025-11-17 Zhongnian Li , Lan Chen , Yixin Xu , Shi Xu , Xinzheng Xu

Hierarchical clustering is a stronger extension of one of today's most influential unsupervised learning methods: clustering. The goal of this method is to create a hierarchy of clusters, thus constructing cluster evolutionary history and…

数据结构与算法 · 计算机科学 2021-01-14 MohammadTaghi Hajiaghayi , Marina Knittel

Deep learning models have made significant progress in automatic program repair. However, the black-box nature of these methods has restricted their practical applications. To address this challenge, this paper presents an interpretable…

软件工程 · 计算机科学 2022-06-07 Jianzong Wang , Shijing Si , Zhitao Zhu , Xiaoyang Qu , Zhenhou Hong , Jing Xiao

Large language models generate outputs stochastically and may produce fluent but invalid responses, including factual hallucinations. Existing mitigation strategies reduce average error rates but do not provide explicit control over the…

机器学习 · 计算机科学 2026-02-03 Sreenivasan Mohandas

Modeling and manufacturing of personalized cranial implants are important research areas that may decrease the waiting time for patients suffering from cranial damage. The modeling of personalized implants may be partially automated by the…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Marek Wodzinski , Kamil Kwarciak , Mateusz Daniol , Daria Hemmerling

In many model-based diagnosis applications it is impossible to provide such a set of observations and/or measurements that allow to identify the real cause of a fault. Therefore, diagnosis systems often return many possible candidates,…

人工智能 · 计算机科学 2016-12-19 Patrick Rodler , Wolfgang Schmid , Kostyantyn Shchekotykhin

Often machine learning models tend to automatically learn associations present in the training data without questioning their validity or appropriateness. This undesirable property is the root cause of the manifestation of spurious…

机器学习 · 计算机科学 2023-11-17 Preetam Prabhu Srikar Dammu , Chirag Shah

Accurate prediction of continuous properties is essential to many scientific and engineering tasks. Although deep-learning regressors excel with abundant labels, their accuracy deteriorates in data-scarce regimes. We introduce RankRefine, a…

机器学习 · 计算机科学 2025-10-02 Kevin Tirta Wijaya , Michael Sun , Minghao Guo , Hans-Peter Seidel , Wojciech Matusik , Vahid Babaei

Many mathematical modelling tasks (such as in Economics and Finance) are informed by data that is "found" rather than being the result of carefully designed experiments. This often results in data series that are short, noisy,…

数学软件 · 计算机科学 2025-11-18 Stephen Wright , Colin Paterson

The Random Utility Maximization model is by far the most adopted framework to estimate consumer choice behavior. However, behavioral economics has provided strong empirical evidence of irrational choice behavior, such as halo effects, that…

计量经济学 · 经济学 2021-09-10 Sanjay Dominik Jena , Andrea Lodi , Claudio Sole

As the popularity of hierarchical point forecast reconciliation methods increases, there is a growing interest in probabilistic forecast reconciliation. Many studies have utilized machine learning or deep learning techniques to implement…

人工智能 · 计算机科学 2023-11-22 Guanyu Zhang , Feng Li , Yanfei Kang

Causal discovery is fundamental to scientific understanding and reliable decision-making. Existing approaches face critical limitations: purely data-driven methods suffer from statistical indistinguishability and modeling assumptions, while…

计算与语言 · 计算机科学 2026-01-21 Bo Peng , Sirui Chen , Lei Xu , Chaochao Lu

Class-incremental learning (CIL) has achieved remarkable successes in learning new classes consecutively while overcoming catastrophic forgetting on old categories. However, most existing CIL methods unreasonably assume that all old…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Jiahua Dong , Wenqi Liang , Yang Cong , Gan Sun

Learning binary classifiers from positive and unlabeled data (PUL) is vital in many real-world applications, especially when verifying negative examples is difficult. Despite the impressive empirical performance of recent PUL methods,…

机器学习 · 计算机科学 2024-10-14 Xinrui Wang , Wenhai Wan , Chuanxin Geng , Shaoyuan LI , Songcan Chen

While causal models are becoming one of the mainstays of machine learning, the problem of uncertainty quantification in causal inference remains challenging. In this paper, we study the causal data fusion problem, where datasets pertaining…

机器学习 · 统计学 2021-06-08 Siu Lun Chau , Jean-François Ton , Javier González , Yee Whye Teh , Dino Sejdinovic