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Conceptual tests are widely used by physics instructors to assess students' conceptual understanding and compare teaching methods. It is common to look at students' changes in their answers between a pre-test and a post-test to quantify a…

物理教育 · 物理学 2015-09-15 Brahim Lamine , Jean-François Parmentier

It is widely believed that a joint factor analysis of item responses and response time (RT) may yield more precise ability scores that are conventionally predicted from responses only. For this purpose, a simple-structure factor model is…

应用统计 · 统计学 2025-01-01 Yang Liu , Weimeng Wang

Transferability estimation identifies the best pre-trained models for downstream tasks without incurring the high computational cost of full fine-tuning. This capability facilitates deployment and advances the pre-training and fine-tuning…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yaoyan Zheng , Huiqun Wang , Nan Zhou , Di Huang

We consider modeling, inference, and computation for analyzing multivariate binary data. We propose a new model that consists of a low dimensional latent variable component and a sparse graphical component. Our study is motivated by…

统计方法学 · 统计学 2016-06-30 Yunxiao Chen , Xiaoou Li , Jingchen Liu , Zhiliang Ying

Recent advances in artificial intelligence for education leverage generative large language models, including using them to predict open-ended student responses rather than their correctness only. However, the black-box nature of these…

计算与语言 · 计算机科学 2024-05-15 Nigel Fernandez , Andrew Lan

Acquiring complex behaviors is essential for artificially intelligent agents, yet learning these behaviors in high-dimensional settings poses a significant challenge due to the vast search space. Traditional reinforcement learning (RL)…

机器学习 · 计算机科学 2025-04-22 Mert Albaba , Sammy Christen , Thomas Langarek , Christoph Gebhardt , Otmar Hilliges , Michael J. Black

Implicit discourse relation recognition (IDRR) aims at recognizing the discourse relation between two text segments without an explicit connective. Recently, the prompt learning has just been applied to the IDRR task with great performance…

计算与语言 · 计算机科学 2023-09-15 Bang Wang , Zhenglin Wang , Wei Xiang , Yijun Mo

Existing pre-trained language models (PLMs) are often computationally expensive in inference, making them impractical in various resource-limited real-world applications. To address this issue, we propose a dynamic token reduction approach…

计算与语言 · 计算机科学 2021-05-26 Deming Ye , Yankai Lin , Yufei Huang , Maosong Sun

Item response theory aims to estimate respondent's latent skills from their responses in tests composed of items with different levels of difficulty. Several models of item response theory have been proposed for different types of tasks,…

Recent advances in vision Transformers (ViTs) have come with a voracious appetite for computing power, high-lighting the urgent need to develop efficient training methods for ViTs. Progressive learning, a training scheme where the model…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Changlin Li , Bohan Zhuang , Guangrun Wang , Xiaodan Liang , Xiaojun Chang , Yi Yang

In this article, we propose a novel probabilistic framework to improve the accuracy of a weighted majority voting algorithm. In order to assign higher weights to the classifiers which can correctly classify hard-to-classify instances, we…

机器学习 · 统计学 2019-11-13 Ziheng Chen , Hongshik Ahn

The BERT model has shown significant success on various natural language processing tasks. However, due to the heavy model size and high computational cost, the model suffers from high latency, which is fatal to its deployments on…

计算与语言 · 计算机科学 2021-02-22 Seohyeong Jeong , Nojun Kwak

Knowledge tracing (KT) serves as a primary part of intelligent education systems. Most current KTs either rely on expert judgments or only exploit a single network structure, which affects the full expression of learning features. To…

机器学习 · 计算机科学 2023-02-24 Liting Lyu , Zhifeng Wang , Haihong Yun , Zexue Yang , Ya Li

Recent years have witnessed a surge in the number of large language models (LLMs), yet efficiently managing and utilizing these vast resources remains a significant challenge. In this work, we explore how to learn compact representations of…

人工智能 · 计算机科学 2025-10-02 Jianhao Chen , Chenxu Wang , Gengrui Zhang , Peng Ye , Lei Bai , Wei Hu , Yuzhong Qu , Shuyue Hu

AI systems must adapt to evolving visual environments, especially in domains where object appearances change over time. We introduce Car Models in Time (CaMiT), a fine-grained dataset capturing the temporal evolution of car models, a…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Frédéric LIN , Biruk Abere Ambaw , Adrian Popescu , Hejer Ammar , Romaric Audigier , Hervé Le Borgne

Accurate travel time estimation (TTE) plays a crucial role in intelligent transportation systems. However, it remains challenging due to heterogeneous data sources and complex traffic dynamics. Moreover, traditional approaches typically…

机器学习 · 计算机科学 2026-01-27 Zhi Liu , Xuyuan Hu , Xiao Han , Zhehao Dai , Zhaolin Deng , Guojiang Shen , Xiangjie Kong

While traditional machine learning can effectively tackle a wide range of problems, it primarily operates within a closed-world setting, which presents limitations when dealing with streaming data. As a solution, incremental learning…

机器学习 · 计算机科学 2025-03-11 Hai-Long Sun , Da-Wei Zhou , De-Chuan Zhan , Han-Jia Ye

Probabilistic models such as logistic regression, Bayesian classification, neural networks, and models for natural language processing, are increasingly more present in both undergraduate and graduate statistics and data science curricula…

其他统计学 · 统计学 2023-05-26 Vojtech Kejzlar , Jingchen Hu

Diffusion models have quickly risen in popularity for their ability to model complex distributions and perform effective posterior sampling. Unfortunately, the iterative nature of these generative models makes them computationally expensive…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Tristan S. W. Stevens , Oisín Nolan , Jean-Luc Robert , Ruud J. G. van Sloun

Inverse reinforcement learning (IRL) and dynamic discrete choice (DDC) models explain sequential decision-making by recovering reward functions that rationalize observed behavior. Flexible IRL methods typically rely on machine learning but…

机器学习 · 计算机科学 2026-01-01 Lars van der Laan , Aurelien Bibaut , Nathan Kallus