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We consider the problem of learning causal structures in sparse high-dimensional settings that may be subject to the presence of (potentially many) unmeasured confounders, as well as selection bias. Based on the structure found in common…

统计方法学 · 统计学 2021-10-04 Wenyu Chen , Mathias Drton , Ali Shojaie

Causal discovery methods are intrinsically constrained by the set of assumptions needed to ensure structure identifiability. Moreover additional restrictions are often imposed in order to simplify the inference task: this is the case for…

机器学习 · 计算机科学 2023-04-07 Francesco Montagna , Nicoletta Noceti , Lorenzo Rosasco , Kun Zhang , Francesco Locatello

Conditional independence (CI) tests underlie many approaches to model testing and structure learning in causal inference. Most existing CI tests for categorical and ordinal data stratify the sample by the conditioning variables, perform…

机器学习 · 统计学 2023-07-06 Ankur Ankan , Johannes Textor

In the field of medical image analysis, deep learning models have demonstrated remarkable success in enhancing diagnostic accuracy and efficiency. However, the reliability of these models is heavily dependent on the quality of training…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Maolin Li , Giacomo Tarroni

How to deal with missing data in observational studies is a common concern for causal inference. When the covariates are missing at random (MAR), multiple approaches have been provided to help solve the issue. However, if the exposure is…

统计方法学 · 统计学 2024-06-14 Yuliang Shi , Yeying Zhu , Joel A. Dubin

Unsupervised feature selection (UFS) has recently gained attention for its effectiveness in processing unlabeled high-dimensional data. However, existing methods overlook the intrinsic causal mechanisms within the data, resulting in the…

机器学习 · 计算机科学 2025-01-28 Zongxin Shen , Yanyong Huang , Dongjie Wang , Minbo Ma , Fengmao Lv , Tianrui Li

We construct deletion error-correcting codes in the oblivious model, where errors are adversarial but oblivious to the encoder's randomness. Oblivious errors bridge the gap between the adversarial and random error models, and are motivated…

信息论 · 计算机科学 2025-06-24 Roni Con , Ray Li

Estimating causal effects from real-world relational data can be challenging when the underlying causal model and potential confounders are unknown. While several causal discovery algorithms exist for learning causal models with latent…

机器学习 · 计算机科学 2025-11-05 Matteo Negro , Andrea Piras , Ragib Ahsan , David Arbour , Elena Zheleva

Causal discovery is to learn cause-effect relationships among variables given observational data and is important for many applications. Existing causal discovery methods assume data sufficiency, which may not be the case in many real world…

机器学习 · 计算机科学 2022-06-20 Zijun Cui , Naiyu Yin , Yuru Wang , Qiang Ji

Continual Learning for Named Entity Recognition (CL-NER) aims to learn a growing number of entity types over time from a stream of data. However, simply learning Other-Class in the same way as new entity types amplifies the catastrophic…

计算与语言 · 计算机科学 2022-10-11 Junhao Zheng , Zhanxian Liang , Haibin Chen , Qianli Ma

Feature reduction is an important concept which is used for reducing dimensions to decrease the computation complexity and time of classification. Since now many approaches have been proposed for solving this problem, but almost all of them…

人工智能 · 计算机科学 2012-06-08 Shervan Fekri Ershad , Sattar Hashemi

Although synthetic data has changed various aspects of information retrieval (IR) pipelines, the main training paradigm remains: contrastive learning with binary relevance labels, where one positive document is compared against several…

信息检索 · 计算机科学 2025-11-05 Reza Esfandiarpoor , George Zerveas , Ruochen Zhang , Macton Mgonzo , Carsten Eickhoff , Stephen H. Bach

Likelihood-free methods perform parameter inference in stochastic simulator models where evaluating the likelihood is intractable but sampling synthetic data is possible. One class of methods for this likelihood-free problem uses a…

机器学习 · 统计学 2020-12-21 Conor Durkan , Iain Murray , George Papamakarios

This paper demonstrates how to recover causal graphs from the score of the data distribution in non-linear additive (Gaussian) noise models. Using score matching algorithms as a building block, we show how to design a new generation of…

Model-based unsupervised learning, as any learning task, stalls as soon as missing data occurs. This is even more true when the missing data are informative, or said missing not at random (MNAR). In this paper, we propose model-based…

We study the data-driven selection of causal graphical models using constraint-based algorithms, which determine the existence or non-existence of edges (causal connections) in a graph based on testing a series of conditional independence…

统计方法学 · 统计学 2026-04-29 Daniel Malinsky

We study the problem of causal structure learning with essentially no assumptions on the functional relationships and noise. We develop DAG-FOCI, a computationally fast algorithm for this setting that is based on the FOCI variable selection…

统计理论 · 数学 2022-03-21 Mona Azadkia , Armeen Taeb , Peter Bühlmann

Due to the existence of label noise in web images and the high memorization capacity of deep neural networks, training deep fine-grained (FG) models directly through web images tends to have an inferior recognition ability. In the…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Zeren Sun , Xian-Sheng Hua , Yazhou Yao , Xiu-Shen Wei , Guosheng Hu , Jian Zhang

Classical machine learning techniques often struggle with overfitting and unreliable predictions when exposed to novel conditions. Introducing causality into the modelling process offers a promising way to mitigate these challenges by…

计算工程、金融与科学 · 计算机科学 2025-05-28 David Zapata Gonzalez , Marcel Meyer , Oliver Mueller

Predictive models learned from historical data are widely used to help companies and organizations make decisions. However, they may digitally unfairly treat unwanted groups, raising concerns about fairness and discrimination. In this…

机器学习 · 计算机科学 2018-03-07 Yongkai Wu , Lu Zhang , Xintao Wu