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相关论文: Effective Distant Supervision for Temporal Relatio…

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Traditional relation extraction predicts relations within some fixed and finite target schema. Machine learning approaches to this task require either manual annotation or, in the case of distant supervision, existing structured sources of…

机器学习 · 计算机科学 2013-01-29 Sebastian Riedel , Limin Yao , Andrew McCallum

Learning transferable representations from unlabeled time series is crucial for improving performance in data-scarce classification. Existing self-supervised methods often operate at the point level and rely on unidirectional encoding,…

机器学习 · 计算机科学 2026-03-02 Mingyue Cheng , Xiaoyu Tao , Zhiding Liu , Qi Liu , Hao Zhang , Rujiao Zhang , Enhong Chen

Relation extraction (RE) aims at extracting the relation between two entities from the text corpora. It is a crucial task for Knowledge Graph (KG) construction. Most existing methods predict the relation between an entity pair by learning…

计算与语言 · 计算机科学 2020-11-30 Jun Kuang , Yixin Cao , Jianbing Zheng , Xiangnan He , Ming Gao , Aoying Zhou

Learning decent representations from unlabeled time-series data with temporal dynamics is a very challenging task. In this paper, we propose an unsupervised Time-Series representation learning framework via Temporal and Contextual…

机器学习 · 计算机科学 2021-06-29 Emadeldeen Eldele , Mohamed Ragab , Zhenghua Chen , Min Wu , Chee Keong Kwoh , Xiaoli Li , Cuntai Guan

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

This paper presents a novel framework for automatic learning of complex strategies in human decision making. The task that we are interested in is to better facilitate long term planning for complex, multi-step events. We observe temporal…

计算机视觉与模式识别 · 计算机科学 2018-05-15 Tharindu Fernando , Simon Denman , Sridha Sridharan , Clinton Fookes

Distant supervision for relation extraction is an efficient method to reduce labor costs and has been widely used to seek novel relational facts in large corpora, which can be identified as a multi-instance multi-label problem. However,…

计算与语言 · 计算机科学 2018-12-27 Changsen Yuan , Heyan Huang , Chong Feng , Xiao Liu , Xiaochi Wei

In the fast-evolving field of artificial intelligence, where models are increasingly growing in complexity and size, the availability of labeled data for training deep learning models has become a significant challenge. Addressing complex…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Santiago C. Vilabella , Pablo Pérez-Núñez , Beatriz Remeseiro

Astronomical time-series analysis faces a critical limitation: the scarcity of labeled observational data. We present a pre-training approach that leverages simulations, significantly reducing the need for labeled examples from real…

天体物理仪器与方法 · 物理学 2025-10-16 Rithwik Gupta , Daniel Muthukrishna , Jeroen Audenaert

Deep auto-encoders (DAEs) have achieved great success in learning data representations via the powerful representability of neural networks. But most DAEs only focus on the most dominant structures which are able to reconstruct the data…

机器学习 · 计算机科学 2020-07-14 Zhao Kang , Xiao Lu , Jian Liang , Kun Bai , Zenglin Xu

Relation extraction systems require large amounts of labeled examples which are costly to annotate. In this work we reformulate relation extraction as an entailment task, with simple, hand-made, verbalizations of relations produced in less…

计算与语言 · 计算机科学 2021-09-09 Oscar Sainz , Oier Lopez de Lacalle , Gorka Labaka , Ander Barrena , Eneko Agirre

Extracting temporal relations (e.g., before, after, and simultaneous) among events is crucial to natural language understanding. One of the key challenges of this problem is that when the events of interest are far away in text, the context…

计算与语言 · 计算机科学 2022-10-26 Shuaicheng Zhang , Lifu Huang , Qiang Ning

We introduce a self-supervised method for learning visual correspondence from unlabeled video. The main idea is to use cycle-consistency in time as free supervisory signal for learning visual representations from scratch. At training time,…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Xiaolong Wang , Allan Jabri , Alexei A. Efros

Relation extraction is essentially a text classification problem, which can be tackled by fine-tuning a pre-trained language model (LM). However, a key challenge arises from the fact that relation extraction cannot straightforwardly be…

计算与语言 · 计算机科学 2024-10-03 Frank Mtumbuka , Steven Schockaert

Temporal information extraction from unstructured text is essential for contextualizing events and deriving actionable insights, particularly in the medical domain. We address the task of extracting clinical events and their temporal…

计算与语言 · 计算机科学 2026-01-22 Rochana Chaturvedi , Peyman Baghershahi , Sourav Medya , Barbara Di Eugenio

Self-supervised learning has emerged as a powerful approach for leveraging large-scale unlabeled data to improve model performance in various domains. In this paper, we explore masked self-supervised pre-training for text recognition…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Martin Kišš , Michal Hradiš

Unsupervised/self-supervised representation learning in time series is critical since labeled samples are usually scarce in real-world scenarios. Existing approaches mainly leverage the contrastive learning framework, which automatically…

机器学习 · 计算机科学 2023-07-10 Wenrui Zhang , Ling Yang , Shijia Geng , Shenda Hong

The existing supervised relation extraction methods have achieved impressive performance in a closed-set setting, where the relations during both training and testing remain the same. In a more realistic open-set setting, unknown relations…

计算与语言 · 计算机科学 2023-06-09 Jun Zhao , Xin Zhao , Wenyu Zhan , Qi Zhang , Tao Gui , Zhongyu Wei , Yunwen Chen , Xiang Gao , Xuanjing Huang

In many machine learning applications, labeled data is scarce and obtaining more labels is expensive. We introduce a new approach to supervising neural networks by specifying constraints that should hold over the output space, rather than…

人工智能 · 计算机科学 2016-09-20 Russell Stewart , Stefano Ermon

For change detection in remote sensing, constructing a training dataset for deep learning models is difficult due to the requirements of bi-temporal supervision. To overcome this issue, single-temporal supervision which treats change labels…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Minseok Seo , Hakjin Lee , Yongjin Jeon , Junghoon Seo