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Autonomous vehicles (AVs) rely on accurate trajectory prediction for safe navigation in diverse traffic environments, yet existing models struggle with long-tail scenarios-rare but safety-critical events characterized by abrupt maneuvers,…

新兴技术 · 计算机科学 2026-04-07 Bin Rao , Haicheng Liao , Chengyue Wang , Keqiang Li , Zhenning Li , Hai Yang

Simplicity Bias (SB) is a phenomenon that deep neural networks tend to rely favorably on simpler predictive patterns but ignore some complex features when applied to supervised discriminative tasks. In this work, we investigate SB in…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Xiu-Shen Wei , Xuhao Sun , Yang Shen , Anqi Xu , Peng Wang , Faen Zhang

Deep long-tailed learning, one of the most challenging problems in visual recognition, aims to train well-performing deep models from a large number of images that follow a long-tailed class distribution. In the last decade, deep learning…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yifan Zhang , Bingyi Kang , Bryan Hooi , Shuicheng Yan , Jiashi Feng

Long-tailed classification is challenging due to its heavy imbalance in class probabilities. While existing methods often focus on overall accuracy or accuracy for tail classes, they overlook a critical aspect: certain types of errors can…

机器学习 · 计算机科学 2025-01-27 Bolian Li , Ruqi Zhang

Knowledge-based conversational question answering (KBCQA) confronts persistent challenges in resolving coreference, modeling contextual dependencies, and executing complex logical reasoning. Existing approaches often suffer from…

计算与语言 · 计算机科学 2026-05-27 Hao Wang , Jialun Zhong , Changcheng Wang , Zhujun Nie , Zheng Li , Shunyu Yao , Yanzeng Li , Xinchi Li

The success of deep learning depends on large-scale and well-curated training data, while data in real-world applications are commonly long-tailed and noisy. Many methods have been proposed to deal with long-tailed data or noisy data, while…

机器学习 · 计算机科学 2023-05-30 Lefan Zhang , Zhang-Hao Tian , Wujun Zhou , Wei Wang

Large language models (LLMs) have significantly advanced various natural language processing tasks, but deploying them remains computationally expensive. Knowledge distillation (KD) is a promising solution, enabling the transfer of…

计算与语言 · 计算机科学 2024-10-22 Yuhang Zhou , Jing Zhu , Paiheng Xu , Xiaoyu Liu , Xiyao Wang , Danai Koutra , Wei Ai , Furong Huang

Data collected from the real world typically exhibit long-tailed distributions, where frequent classes contain abundant data while rare ones have only a limited number of samples. While existing supervised learning approaches have been…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Ci-Siang Lin , Min-Hung Chen , Yu-Chiang Frank Wang

Artificial intelligence (AI) is increasingly used in the automotive industry for applications such as driving style classification, which aims to improve road safety, efficiency, and personalize user experiences. While deep learning (DL)…

In recent years, the concept of artificial intelligence (AI) has become a prominent keyword because it is promising in solving complex tasks. The need for human expertise in specific areas may no longer be needed because machines have…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Ehsan Rassekh

In real-world data, long-tailed data distribution is common, making it challenging for models trained on empirical risk minimisation to learn and classify tail classes effectively. While many studies have sought to improve long tail…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Ziheng Wang , Toni Lassila , Sharib Ali

Real-world data often exhibits a long-tailed distribution, in which head classes occupy most of the data, while tail classes only have very few samples. Models trained on long-tailed datasets have poor adaptability to tail classes and the…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Qiong Chen , Tianlin Huang , Geren Zhu , Enlu Lin

Real-world data usually present long-tailed distributions. Training on imbalanced data tends to render neural networks perform well on head classes while much worse on tail classes. The severe sparseness of training instances for the tail…

机器学习 · 计算机科学 2021-11-10 Chaozheng Wang , Shuzheng Gao , Cuiyun Gao , Pengyun Wang , Wenjie Pei , Lujia Pan , Zenglin Xu

In recent years, network slicing has embraced artificial intelligence (AI) models to manage the growing complexity of communication networks. In such a situation, AI-driven zero-touch network automation should present a high degree of…

信息论 · 计算机科学 2025-03-18 Martino Chiarani , Swastika Roy , Christos Verikoukis , Fabrizio Granelli

Sequential recommendation (SR) learns user preferences based on their historical interaction sequences and provides personalized suggestions. In real-world scenarios, most users can only interact with a handful of items, while the majority…

信息检索 · 计算机科学 2026-01-19 Yizhou Dang , Zhifu Wei , Minhan Huang , Lianbo Ma , Jianzhe Zhao , Guibing Guo , Xingwei Wang

Deep models trained on long-tailed datasets exhibit unsatisfactory performance on tail classes. Existing methods usually modify the classification loss to increase the learning focus on tail classes, which unexpectedly sacrifice the…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Shaoyu Zhang , Chen Chen , Xiyuan Hu , Silong Peng

With the advent of conversational assistants, like Amazon Alexa, Google Now, etc., dialogue systems are gaining a lot of traction, especially in industrial setting. These systems typically consist of Spoken Language understanding component…

计算与语言 · 计算机科学 2019-07-19 Arshit Gupta , John Hewitt , Katrin Kirchhoff

Recently, large language models (LLMs) have been successful in relational extraction (RE) tasks, especially in the few-shot learning. An important problem in the field of RE is long-tailed data, while not much attention is paid to this…

计算与语言 · 计算机科学 2024-12-23 Xuemei Tang , Jun Wang

We propose GradTail, an algorithm that uses gradients to improve model performance on the fly in the face of long-tailed training data distributions. Unlike conventional long-tail classifiers which operate on converged - and possibly…

机器学习 · 计算机科学 2022-01-20 Zhao Chen , Vincent Casser , Henrik Kretzschmar , Dragomir Anguelov

Personal assistant systems, such as Apple Siri, Google Assistant, Amazon Alexa, and Microsoft Cortana, are becoming ever more widely used. Understanding user intent such as clarification questions, potential answers and user feedback in…

信息检索 · 计算机科学 2020-02-06 Liu Yang , Minghui Qiu , Chen Qu , Cen Chen , Jiafeng Guo , Yongfeng Zhang , W. Bruce Croft , Haiqing Chen