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The ubiquity of machine learning based predictive models in modern society naturally leads people to ask how trustworthy those models are? In predictive modeling, it is quite common to induce a trade-off between accuracy and…

机器学习 · 计算机科学 2019-04-05 John Mitros , Brian Mac Namee

We analyze state-of-the-art deep learning models for three tasks: question answering on (1) images, (2) tables, and (3) passages of text. Using the notion of \emph{attribution} (word importance), we find that these deep networks often…

计算与语言 · 计算机科学 2018-05-16 Pramod Kaushik Mudrakarta , Ankur Taly , Mukund Sundararajan , Kedar Dhamdhere

In this note, it is shown that the results claimed in the paper [1]---as well as the examples presented there---are, unfortunately, incorrect.

动力系统 · 数学 2019-09-12 Alejandro Donaire , Jose Guadalupe Romero , Romeo Ortega

Consider semiparametric estimation where a doubly robust estimating function for a low-dimensional parameter is available, depending on two working models. With high-dimensional data, we develop regularized calibrated estimation as a…

统计方法学 · 统计学 2020-09-28 Satyajit Ghosh , Zhiqiang Tan

We consider the Bayesian analysis of a few complex, high-dimensional models and show that intuitive priors, which are not tailored to the fine details of the model and the estimated parameters, produce estimators which perform poorly in…

统计理论 · 数学 2015-02-02 Y. Ritov , P. J. Bickel , A. C. Gamst , B. J. K. Kleijn

Practical data assimilation algorithms often contain hyper-parameters, which may arise due to, for instance, the use of certain auxiliary techniques like covariance inflation and localization in an ensemble Kalman filter, the…

统计计算 · 统计学 2022-06-08 Xiaodong Luo , Chuan-An Xia

An important question that often arises in the operation of networked systems is whether to collect the real-time data or to estimate them based on the previously collected data. Various factors should be taken into account such as how…

最优化与控制 · 数学 2021-03-30 Jalal Arabneydi , Amir G. Aghdam

This letter proposes a multiple parametric dictionary learning algorithm for direction of arrival (DOA) estimation in presence of array gain-phase error and mutual coupling. It jointly solves both the DOA estimation and array imperfection…

机器学习 · 计算机科学 2017-07-25 H. Ghanbari , H. Zayyani , E. Yazdian

From a model-building perspective, we propose a paradigm shift for fitting over-parameterized models. Philosophically, the mindset is to fit models to future observations rather than to the observed sample. Technically, given an imputation…

统计方法学 · 统计学 2024-12-09 Yiran Jiang , Chuanhai Liu

The large size and complex decision mechanisms of state-of-the-art text classifiers make it difficult for humans to understand their predictions, leading to a potential lack of trust by the users. These issues have led to the adoption of…

Despite being highly performant, deep neural networks might base their decisions on features that spuriously correlate with the provided labels, thus hurting generalization. To mitigate this, 'model guidance' has recently gained popularity,…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Sukrut Rao , Moritz Böhle , Amin Parchami-Araghi , Bernt Schiele

Recent times are witnessing rapid development in machine learning algorithm systems, especially in reinforcement learning, natural language processing, computer and robot vision, image processing, speech, and emotional processing and…

Isostable reduction is a powerful technique that can be used to characterize behaviors of nonlinear dynamical systems in a basis of slowly decaying eigenfunctions of the Koopman operator. When the underlying dynamical equations are known,…

动力系统 · 数学 2021-07-28 Dan Wilson

Machine Learning (ML) and its applications have been transforming our lives but it is also creating issues related to the development of fair, accountable, transparent, and ethical Artificial Intelligence. As the ML models are not fully…

应用统计 · 统计学 2021-06-30 Yihuang Kang , Yi-Wen Chiu , Ming-Yen Lin , Fang-yi Su , Sheng-Tai Huang

Model-based approaches for image reconstruction, analysis and interpretation have made significant progress over the last decades. Many of these approaches are based on either mathematical, physical or biological models. A challenge for…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Daniel Rueckert , Julia A. Schnabel

Transfer learning has fundamentally changed the landscape of natural language processing (NLP) research. Many existing state-of-the-art models are first pre-trained on a large text corpus and then fine-tuned on downstream tasks. However,…

计算与语言 · 计算机科学 2021-09-10 Haoming Jiang , Pengcheng He , Weizhu Chen , Xiaodong Liu , Jianfeng Gao , Tuo Zhao

In today's modern era of Big data, computationally efficient and scalable methods are needed to support timely insights and informed decision making. One such method is sub-sampling, where a subset of the Big data is analysed and used as…

统计方法学 · 统计学 2022-09-07 Amalan Mahendran , Helen Thompson , James M. McGree

This paper has been withdrawn by the author due to a crucial accuracy error in Fig. 5. For precise performance of ALBNN please refer to Yoon et al.'s work in the following article. Yoon, H., Park, C. S., Kim, J. S., & Baek, J. G. (2013).…

神经与进化计算 · 计算机科学 2015-02-27 Rizwana Kalsoom , Moomal Qureshi

A Comment on the Letter by M. Rupp et al., Phys. Rev. Lett. 108 058301 (2012).

材料科学 · 物理学 2012-08-07 Jonathan E. Moussa

Document-level relation extraction (DocRE) attracts more research interest recently. While models achieve consistent performance gains in DocRE, their underlying decision rules are still understudied: Do they make the right predictions…

计算与语言 · 计算机科学 2023-06-21 Haotian Chen , Bingsheng Chen , Xiangdong Zhou