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Sensitivity of deep-neural models to input noise is known to be a challenging problem. In NLP, model performance often deteriorates with naturally occurring noise, such as spelling errors. To mitigate this issue, models may leverage…

计算与语言 · 计算机科学 2021-11-18 Jakub Náplava , Martin Popel , Milan Straka , Jana Straková

Deep Neural Networks, despite their great success in diverse domains, are provably sensitive to small perturbations on correctly classified examples and lead to erroneous predictions. Recently, it was proposed that this behavior can be…

机器学习 · 计算机科学 2020-09-29 Nan Xu , Oluwaseyi Feyisetan , Abhinav Aggarwal , Zekun Xu , Nathanael Teissier

In safety-critical deep learning applications, robustness measures the ability of neural models that handle imperceptible perturbations in input data, which may lead to potential safety hazards. Existing pre-deployment robustness assessment…

机器学习 · 计算机科学 2025-08-27 Wenchuan Mu , Kwan Hui Lim

Causal inference, or counterfactual prediction, is central to decision making in healthcare, policy and social sciences. To de-bias causal estimators with high-dimensional data in observational studies, recent advances suggest the…

机器学习 · 统计学 2020-10-20 Shuxi Zeng , Serge Assaad , Chenyang Tao , Shounak Datta , Lawrence Carin , Fan Li

This work tackles an intriguing and fundamental open challenge in representation learning: Given a well-trained deep learning model, can it be reprogrammed to enhance its robustness against adversarial or noisy input perturbations without…

机器学习 · 计算机科学 2024-10-08 Zhichao Hou , MohamadAli Torkamani , Hamid Krim , Xiaorui Liu

Explanation methods have emerged as an important tool to highlight the features responsible for the predictions of neural networks. There is mounting evidence that many explanation methods are rather unreliable and susceptible to malicious…

计算与语言 · 计算机科学 2022-06-27 Shriya Atmakuri , Tejas Chheda , Dinesh Kandula , Nishant Yadav , Taesung Lee , Hessel Tuinhof

Although much progress has been made towards robust deep learning, a significant gap in robustness remains between real-world perturbations and more narrowly defined sets typically studied in adversarial defenses. In this paper, we aim to…

机器学习 · 计算机科学 2020-10-09 Eric Wong , J. Zico Kolter

Counterfactual explanations describe how to modify a feature vector in order to flip the outcome of a trained classifier. Obtaining robust counterfactual explanations is essential to provide valid algorithmic recourse and meaningful…

机器学习 · 计算机科学 2024-03-22 Alexandre Forel , Axel Parmentier , Thibaut Vidal

With the ever-increasing complexity of neural language models, practitioners have turned to methods for understanding the predictions of these models. One of the most well-adopted approaches for model interpretability is feature-based…

计算与语言 · 计算机科学 2021-06-10 Muhammad Bilal Zafar , Michele Donini , Dylan Slack , Cédric Archambeau , Sanjiv Das , Krishnaram Kenthapadi

Contrastive learning has proven to be an effective method for pre-training models using weakly labeled data in the vision domain. Sentence transformers are the NLP counterparts to this architecture, and have been growing in popularity due…

计算与语言 · 计算机科学 2023-11-30 Tanmay Chavan , Shantanu Patankar , Aditya Kane , Omkar Gokhale , Geetanjali Kale , Raviraj Joshi

Revealing the robustness issues of natural language processing models and improving their robustness is important to their performance under difficult situations. In this paper, we study the robustness of paraphrase identification models…

计算与语言 · 计算机科学 2020-10-06 Zhouxing Shi , Minlie Huang

High-performance neural language models have obtained state-of-the-art results on a wide range of Natural Language Processing (NLP) tasks. However, results for common benchmark datasets often do not reflect model reliability and robustness…

计算与语言 · 计算机科学 2021-08-30 Milad Moradi , Matthias Samwald

We evaluate the robustness of several large language models on multiple datasets. Robustness here refers to the relative insensitivity of the model's answers to meaning-preserving variants of their input. Benchmark datasets are constructed…

计算与语言 · 计算机科学 2024-11-05 Samuel Ackerman , Ella Rabinovich , Eitan Farchi , Ateret Anaby-Tavor

Deep neural networks for natural language processing are fragile in the face of adversarial examples -- small input perturbations, like synonym substitution or word duplication, which cause a neural network to change its prediction. We…

机器学习 · 计算机科学 2021-09-08 Yuhao Zhang , Aws Albarghouthi , Loris D'Antoni

Generative models for counterfactual outcomes face two key sources of bias. Confounding bias arises when approaches fail to account for systematic differences between those who receive the intervention and those who do not. Misspecification…

机器学习 · 统计学 2025-09-23 Alex Luedtke , Kenji Fukumizu

Consider the problem of testing whether the outputs of a large language model (LLM) system change under an arbitrary intervention, such as an input perturbation or changing the model variant. We cannot simply compare two LLM outputs since…

计算与语言 · 计算机科学 2025-06-10 Paulius Rauba , Qiyao Wei , Mihaela van der Schaar

Classification models are very sensitive to data uncertainty, and finding robust classifiers that are less sensitive to data uncertainty has raised great interest in the machine learning literature. This paper aims to construct robust…

机器学习 · 统计学 2022-03-01 Vali Asimit , Ioannis Kyriakou , Simone Santoni , Salvatore Scognamiglio , Rui Zhu

A systematic, comparative investigation into the effects of low-quality data reveals a stark spectrum of robustness across modern probabilistic models. We find that autoregressive language models, from token prediction to…

人工智能 · 计算机科学 2025-12-16 Liu Peng , Yaochu Jin

We present a conformal inference method for constructing lower prediction bounds for survival times from right-censored data, extending recent approaches designed for more restrictive type-I censoring scenarios. The proposed method imputes…

统计方法学 · 统计学 2025-05-26 Matteo Sesia , Vladimir Svetnik

Despite the tremendous success of deep neural networks in various learning problems, it has been observed that adding an intentionally designed adversarial perturbation to inputs of these architectures leads to erroneous classification with…

机器学习 · 计算机科学 2018-12-19 Emilio Rafael Balda , Arash Behboodi , Rudolf Mathar