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Feature selection is a classical problem in statistics and machine learning, and it continues to remain an extremely challenging problem especially in the context of unknown non-linear relationships with dependent features. On the other…

机器学习 · 统计学 2026-04-17 Chenghui Zheng , Garvesh Raskutti

One principal approach for illuminating a black-box neural network is feature attribution, i.e. identifying the importance of input features for the network's prediction. The predictive information of features is recently proposed as a…

机器学习 · 计算机科学 2021-12-09 Yang Zhang , Ashkan Khakzar , Yawei Li , Azade Farshad , Seong Tae Kim , Nassir Navab

Understanding the decision of large deep learning models is a critical challenge for building transparent and trustworthy systems. Although the current post hoc explanation methods offer valuable insights into feature importance, they are…

机器学习 · 计算机科学 2025-11-19 Emanuel Covaci , Fabian Galis , Radu Balan , Daniela Zaharie , Darian Onchis

The alignment of Large Language Models (LLMs) utilizes Reinforcement Learning from AI Feedback (RLAIF) for non-verifiable domains such as long-form question answering and open-ended instruction following. These domains often rely on LLM…

机器学习 · 计算机科学 2026-05-18 Nirmal Patel , Fei Wang , Inderjit S. Dhillon

Although recurrent neural networks (RNNs) are state-of-the-art in numerous sequential decision-making tasks, there has been little research on explaining their predictions. In this work, we present TimeSHAP, a model-agnostic recurrent…

机器学习 · 计算机科学 2021-06-29 João Bento , Pedro Saleiro , André F. Cruz , Mário A. T. Figueiredo , Pedro Bizarro

Feature selection has drawn much attention over the last decades in machine learning because it can reduce data dimensionality while maintaining the original physical meaning of features, which enables better interpretability than feature…

机器学习 · 计算机科学 2022-09-27 Yiwen Liao , Jochen Rivoir , Raphaël Latty , Bin Yang

Large language models (LLMs) demonstrate remarkable performance on many NLP tasks, yet often exhibit order dependence: simply reordering semantically identical tokens (e.g., answer choices in multiple-choice questions) can lead to…

计算与语言 · 计算机科学 2025-04-01 Katrina Brown , Reid McIlroy

Aligning with human preference datasets has been critical to the success of large language models (LLMs). Reinforcement learning from human feedback (RLHF) employs a costly reward model to provide feedback for on-policy sampling responses.…

机器学习 · 计算机科学 2024-05-24 Yuanzhao Zhai , Zhuo Zhang , Kele Xu , Hanyang Peng , Yue Yu , Dawei Feng , Cheng Yang , Bo Ding , Huaimin Wang

Contrastive learning methods enforce label distance relationships in feature space to improve representation capability for regression models. However, these methods highly depend on label information to correctly recover ordinal…

机器学习 · 计算机科学 2025-12-11 Ce Wang , Weihang Dai , Hanru Bai , Xiaomeng Li

Feature selection is a crucial step in developing robust and powerful machine learning models. Feature selection techniques can be divided into two categories: filter and wrapper methods. While wrapper methods commonly result in strong…

机器学习 · 计算机科学 2022-07-07 Jarne Verhaeghe , Jeroen Van Der Donckt , Femke Ongenae , Sofie Van Hoecke

Estimating the generalization performance is practically challenging on out-of-distribution (OOD) data without ground-truth labels. While previous methods emphasize the connection between distribution difference and OOD accuracy, we show…

机器学习 · 计算机科学 2023-10-24 Renchunzi Xie , Hongxin Wei , Lei Feng , Yuzhou Cao , Bo An

Fine-tuning large pre-trained language models on downstream tasks is apt to suffer from overfitting when limited training data is available. While dropout proves to be an effective antidote by randomly dropping a proportion of units,…

计算与语言 · 计算机科学 2022-10-13 Tao Yang , Jinghao Deng , Xiaojun Quan , Qifan Wang , Shaoliang Nie

Sequential recommendation models the dynamics of a user's previous behaviors in order to forecast the next item, and has drawn a lot of attention. Transformer-based approaches, which embed items as vectors and use dot-product self-attention…

信息检索 · 计算机科学 2022-03-08 Ziwei Fan , Zhiwei Liu , Alice Wang , Zahra Nazari , Lei Zheng , Hao Peng , Philip S. Yu

Deep computer vision systems being vulnerable to imperceptible and carefully crafted noise have raised questions regarding the robustness of their decisions. We take a step back and approach this problem from an orthogonal direction. We…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Sadaf Gulshad , Jan Hendrik Metzen , Arnold Smeulders , Zeynep Akata

In the last decade neural network have made huge impact both in industry and research due to their ability to extract meaningful features from imprecise or complex data, and by achieving super human performance in several domains. However,…

人工智能 · 计算机科学 2022-02-09 Dominique Mercier , Jwalin Bhatt , Andreas Dengel , Sheraz Ahmed

The explosion of data in recent years has generated an increasing need for new analysis techniques in order to extract knowledge from massive datasets. Machine learning has proved particularly useful to perform this task. Fully automatized…

天体物理仪器与方法 · 物理学 2018-08-29 Antonio D'Isanto , Stefano Cavuoti , Fabian Gieseke , Kai Lars Polsterer

This paper proposes inverse feature learning as a novel supervised feature learning technique that learns a set of high-level features for classification based on an error representation approach. The key contribution of this method is to…

机器学习 · 计算机科学 2020-03-10 Behzad Ghazanfari , Fatemeh Afghah , MohammadTaghi Hajiaghayi

The interpretation of feature importance in machine learning models is challenging when features are dependent. Permutation feature importance (PFI) ignores such dependencies, which can cause misleading interpretations due to extrapolation.…

机器学习 · 统计学 2023-11-09 Christoph Molnar , Gunnar König , Bernd Bischl , Giuseppe Casalicchio

Deep learning has attracted great attention recently and yielded the state of the art performance in dimension reduction and classification problems. However, it cannot effectively handle the structured output prediction, e.g. sequential…

机器学习 · 计算机科学 2015-05-05 Gang Chen , Ran Xu , Sargur Srihari

Techniques that explain the predictions of black-box machine learning models are crucial to make the models transparent, thereby increasing trust in AI systems. The input features to the models often have a nested structure that consists of…

机器学习 · 计算机科学 2025-05-26 Yuya Yoshikawa , Masanari Kimura , Ryotaro Shimizu , Yuki Saito