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Sparse coding has shown its power as an effective data representation method. However, up to now, all the sparse coding approaches are limited within the single domain learning problem. In this paper, we extend the sparse coding to cross…

计算机视觉与模式识别 · 计算机科学 2013-11-28 Jim Jing-Yan Wang

Deep learning-based models in medical imaging often struggle to generalize effectively to new scans due to data heterogeneity arising from differences in hardware, acquisition parameters, population, and artifacts. This limitation presents…

图像与视频处理 · 电气工程与系统科学 2023-08-09 Sebastian Nørgaard Llambias , Mads Nielsen , Mostafa Mehdipour Ghazi

Fine-tuning large language models (LLMs) using diverse datasets is crucial for enhancing their overall performance across various domains. In practical scenarios, existing methods based on modeling the mixture proportions of data…

计算与语言 · 计算机科学 2025-10-31 Zhenqing Ling , Daoyuan Chen , Liuyi Yao , Qianli Shen , Yaliang Li , Ying Shen

The burgeoning fields of robot learning and embodied AI have triggered an increasing demand for large quantities of data. However, collecting sufficient unbiased data from the target domain remains a challenge due to costly data collection…

机器人学 · 计算机科学 2024-08-28 Haoyi Niu , Jianming Hu , Guyue Zhou , Xianyuan Zhan

Dense retrievers have made significant strides in text retrieval and open-domain question answering. However, most of these achievements have relied heavily on extensive human-annotated supervision. In this study, we aim to develop…

计算与语言 · 计算机科学 2024-10-31 Rui Meng , Ye Liu , Semih Yavuz , Divyansh Agarwal , Lifu Tu , Ning Yu , Jianguo Zhang , Meghana Bhat , Yingbo Zhou

Unsupervised domain adaptation aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Previous methods focus on learning domain-invariant features to decrease the discrepancy between the feature distributions…

机器学习 · 计算机科学 2021-06-30 Yuntao Du , Yinghao Chen , Fengli Cui , Xiaowen Zhang , Chongjun Wang

Cross-domain CTR (CDCTR) prediction is an important research topic that studies how to leverage meaningful data from a related domain to help CTR prediction in target domain. Most existing CDCTR works design implicit ways to transfer…

信息检索 · 计算机科学 2024-02-20 Xu Chen , Zida Cheng , Jiangchao Yao , Chen Ju , Weilin Huang , Jinsong Lan , Xiaoyi Zeng , Shuai Xiao

Domain-specific instruction-tuning has become the defacto standard for improving the performance of large language models (LLMs) in specialized applications, e.g., medical question answering. Since the instruction-tuning dataset might…

计算与语言 · 计算机科学 2025-05-29 Qihuang Zhong , Liang Ding , Fei Liao , Juhua Liu , Bo Du , Dacheng Tao

Adversarial training has been shown effective at endowing the learned representations with stronger generalization ability. However, it typically requires expensive computation to determine the direction of the injected perturbations. In…

计算与语言 · 计算机科学 2020-10-26 Dinghan Shen , Mingzhi Zheng , Yelong Shen , Yanru Qu , Weizhu Chen

It is vital to learn effective policies that can be transferred to different domains with dynamics discrepancies in reinforcement learning (RL). In this paper, we consider dynamics adaptation settings where there exists dynamics mismatch…

机器学习 · 计算机科学 2024-05-27 Jiafei Lyu , Chenjia Bai , Jingwen Yang , Zongqing Lu , Xiu Li

Pre-trained models for natural language inference (NLI) often achieve high performance on benchmark datasets by using spurious correlations, or dataset artifacts, rather than understanding language touches such as negation. In this project,…

计算与语言 · 计算机科学 2025-11-11 Mojtaba Noghabaei

In recent years, pretrained neural language models (PNLMs) have taken the field of natural language processing by storm, achieving new benchmarks and state-of-the-art performances. These models often rely heavily on annotated data, which…

计算与语言 · 计算机科学 2023-02-06 Hoang Van

The notion of "in-domain data" in NLP is often over-simplistic and vague, as textual data varies in many nuanced linguistic aspects such as topic, style or level of formality. In addition, domain labels are many times unavailable, making it…

计算与语言 · 计算机科学 2020-05-04 Roee Aharoni , Yoav Goldberg

We present a novel framework that can combine multi-domain learning (MDL), data imputation (DI) and multi-task learning (MTL) to improve performance for classification and regression tasks in different domains. The core of our method is an…

机器学习 · 计算机科学 2020-03-18 Andre Mendes , Julian Togelius , Leandro dos Santos Coelho

Active Domain Adaptation (ADA) aims to maximally boost model adaptation in a new target domain by actively selecting a limited number of target data to annotate.This setting neglects the more practical scenario where training data are…

人工智能 · 计算机科学 2023-11-23 Wenqiao Zhang , Zheqi Lv , Hao Zhou , Jia-Wei Liu , Juncheng Li , Mengze Li , Siliang Tang , Yueting Zhuang

Web applications and APIs face constant threats from malicious actors seeking to exploit vulnerabilities for illicit gains. To defend against these threats, it is essential to have anomaly detection systems that can identify a variety of…

密码学与安全 · 计算机科学 2025-05-16 Udi Aharon , Revital Marbel , Ran Dubin , Amit Dvir , Chen Hajaj

Recent research has highlighted the importance of data quality in scaling large language models (LLMs). However, automated data quality control faces unique challenges in collaborative settings where sharing is not allowed directly between…

计算与语言 · 计算机科学 2025-07-08 Wanru Zhao , Hongxiang Fan , Shell Xu Hu , Wangchunshu Zhou , Bofan Chen , Nicholas D. Lane

In order to reduce overfitting, neural networks are typically trained with data augmentation, the practice of artificially generating additional training data via label-preserving transformations of existing training examples. While these…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Cecilia Summers , Michael J. Dinneen

Accurate lane detection, a crucial enabler for autonomous driving, currently relies on obtaining a large and diverse labeled training dataset. In this work, we explore learning from abundant, randomly generated synthetic data, together with…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Noa Garnett , Roy Uziel , Netalee Efrat , Dan Levi

The detection of nuclei is one of the most fundamental components of computational pathology. Current state-of-the-art methods are based on deep learning, with the prerequisite that extensive labeled datasets are available. The increasing…

图像与视频处理 · 电气工程与系统科学 2019-07-11 Nicolas Brieu , Armin Meier , Ansh Kapil , Ralf Schoenmeyer , Christos G. Gavriel , Peter D. Caie , Günter Schmidt
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