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相关论文: Distantly-Supervised Evidence Retrieval Enables Qu…

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Joint entity and relation extraction is a process that identifies entity pairs and their relations using a single model. We focus on the problem of joint extraction in distantly-labeled data, whose labels are generated by aligning entity…

计算与语言 · 计算机科学 2024-05-28 Yufei Li , Xiao Yu , Yanghong Guo , Yanchi Liu , Haifeng Chen , Cong Liu

Sample inefficiency is a long-lasting challenge in deep reinforcement learning (DRL). Despite dramatic improvements have been made, the problem is far from being solved and is especially challenging in environments with sparse or delayed…

机器学习 · 计算机科学 2025-06-17 Federico Malato , Ville Hautamaki

Current label-free RLVR approaches for large language models (LLMs), such as TTRL and Self-reward, have demonstrated effectiveness in improving the performance of LLMs on complex reasoning tasks. However, these methods rely heavily on…

机器学习 · 计算机科学 2026-03-18 Kaixuan Du , Meng Cao , Hang Zhang , Yukun Wang , Xiangzhou Huang , Ni Li

The long-standing goal of dense retrievers in abtractive open-domain question answering (ODQA) tasks is to learn to capture evidence passages among relevant passages for any given query, such that the reader produce factually correct…

人工智能 · 计算机科学 2024-02-02 Yongho Song , Dahyun Lee , Myungha Jang , Seung-won Hwang , Kyungjae Lee , Dongha Lee , Jinyeong Yeo

Video recognition models have progressed significantly over the past few years, evolving from shallow classifiers trained on hand-crafted features to deep spatiotemporal networks. However, labeled video data required to train such models…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Rohit Girdhar , Du Tran , Lorenzo Torresani , Deva Ramanan

The great progress of 3D object detectors relies on large-scale data and 3D annotations. The annotation cost for 3D bounding boxes is extremely expensive while the 2D ones are easier and cheaper to collect. In this paper, we introduce a…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Jinrong Yang , Tiancai Wang , Zheng Ge , Weixin Mao , Xiaoping Li , Xiangyu Zhang

In this paper, we study the named entity recognition (NER) problem under distant supervision. Due to the incompleteness of the external dictionaries and/or knowledge bases, such distantly annotated training data usually suffer from a high…

计算与语言 · 计算机科学 2022-04-21 Kang Zhou , Yuepei Li , Qi Li

Low-resource Relation Extraction (LRE) aims to extract relation facts from limited labeled corpora when human annotation is scarce. Existing works either utilize self-training scheme to generate pseudo labels that will cause the gradual…

计算与语言 · 计算机科学 2021-09-15 Xuming Hu , Chenwei Zhang , Yawen Yang , Xiaohe Li , Li Lin , Lijie Wen , Philip S. Yu

Noisy Labels are commonly present in data sets automatically collected from the internet, mislabeled by non-specialist annotators, or even specialists in a challenging task, such as in the medical field. Although deep learning models have…

机器学习 · 计算机科学 2020-12-08 Filipe R. Cordeiro , Gustavo Carneiro

The knowledge that humans hold about a problem often extends far beyond a set of training data and output labels. While the success of deep learning mostly relies on supervised training, important properties cannot be inferred efficiently…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Damien Teney , Ehsan Abbasnejad , Anton van den Hengel

We study the problem of sample efficient reinforcement learning, where prior data such as demonstrations are provided for initialization in lieu of a dense reward signal. A natural approach is to incorporate an imitation learning objective,…

机器学习 · 计算机科学 2025-06-10 Perry Dong , Alec M. Lessing , Annie S. Chen , Chelsea Finn

Distant supervision provides a means to create a large number of weakly labeled data at low cost for relation classification. However, the resulting labeled instances are very noisy, containing data with wrong labels. Many approaches have…

计算与语言 · 计算机科学 2020-10-27 Zhenzhen Li , Jian-Yun Nie , Benyou Wang , Pan Du , Yuhan Zhang , Lixin Zou , Dongsheng Li

Auxiliary information can be exploited in machine learning models using the paradigm of evidence based conditional inference. Multi-modal techniques in Deep Neural Networks (DNNs) can be seen as perturbing the latent feature representation…

计算机视觉与模式识别 · 计算机科学 2019-12-09 Dinesh Khandelwal , Suyash Agrawal , Parag Singla , Chetan Arora

Diffusion models have demonstrated remarkable progress in image generation quality, especially when guidance is used to control the generative process. However, guidance requires a large amount of image-annotation pairs for training and is…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Vincent Tao Hu , David W Zhang , Yuki M. Asano , Gertjan J. Burghouts , Cees G. M. Snoek

Deep learning (DL) is gaining popularity as a parameter estimation method for quantitative MRI. A range of competing implementations have been proposed, relying on either supervised or self-supervised learning. Self-supervised approaches,…

医学物理 · 物理学 2024-01-24 Sean C. Epstein , Timothy J. P. Bray , Margaret Hall-Craggs , Hui Zhang

Complex question answering often requires finding a reasoning chain that consists of multiple evidence pieces. Current approaches incorporate the strengths of structured knowledge and unstructured text, assuming text corpora is…

计算与语言 · 计算机科学 2021-04-14 Chen Zhao , Chenyan Xiong , Jordan Boyd-Graber , Hal Daumé

Sample selection is a prevalent method in learning with noisy labels, where small-loss data are typically considered as correctly labeled data. However, this method may not effectively identify clean hard examples with large losses, which…

机器学习 · 计算机科学 2023-08-29 Suqin Yuan , Lei Feng , Tongliang Liu

Relation extraction (RE) has been extensively studied due to its importance in real-world applications such as knowledge base construction and question answering. Most of the existing works train the models on either distantly supervised…

计算与语言 · 计算机科学 2020-11-25 Woohwan Jung , Kyuseok Shim

Active learning algorithms automatically identify the most informative samples from large amounts of unlabeled data and tremendously reduce human annotation effort in inducing a machine learning model. In a conventional active learning…

机器学习 · 计算机科学 2026-04-28 Varun Totakura , Ankita Singh , Yushun Dong , Shayok Chakraborty

Digital data collected over the decades and data currently being produced with use of information technology is vastly the unlabeled data or data without description. The unlabeled data is relatively easy to acquire but expensive to label…

机器学习 · 计算机科学 2022-08-02 Kinyua Gikunda