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相关论文: Improving Long-Tail Relation Extraction with Colla…

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Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

计算与语言 · 计算机科学 2023-08-24 Yerong Li , Roxana Girju

Multi-label text classification (MLTC) is one of the key tasks in natural language processing. It aims to assign multiple target labels to one document. Due to the uneven popularity of labels, the number of documents per label follows a…

计算与语言 · 计算机科学 2022-11-22 Lin Xiao , Pengyu Xu , Liping Jing , Xiangliang Zhang

We present a novel approach to improve the performance of distant supervision relation extraction with Positive and Unlabeled (PU) Learning. This approach first applies reinforcement learning to decide whether a sentence is positive to a…

计算与语言 · 计算机科学 2019-12-02 Zhengqiu He , Wenliang Chen , Yuyi Wang , Wei zhang , Guanchun Wang , Min Zhang

Relation extraction is the task of determining the relation between two entities in a sentence. Distantly-supervised models are popular for this task. However, sentences can be long and two entities can be located far from each other in a…

计算与语言 · 计算机科学 2019-12-10 Tapas Nayak , Hwee Tou Ng

Domain Incremental Learning (DIL) is a continual learning sub-branch that aims to address never-ending arrivals of new domains without catastrophic forgetting problems. Despite the advent of parameter-efficient fine-tuning (PEFT)…

机器学习 · 计算机科学 2025-10-21 Naeem Paeedeh , Mahardhika Pratama , Weiping Ding , Jimmy Cao , Wolfgang Mayer , Ryszard Kowalczyk

This paper presents a neural relation extraction method to deal with the noisy training data generated by distant supervision. Previous studies mainly focus on sentence-level de-noising by designing neural networks with intra-bag…

计算与语言 · 计算机科学 2019-04-02 Zhi-Xiu Ye , Zhen-Hua Ling

Distantly supervised relation extraction intrinsically suffers from noisy labels due to the strong assumption of distant supervision. Most prior works adopt a selective attention mechanism over sentences in a bag to denoise from wrongly…

计算与语言 · 计算机科学 2019-11-28 Yang Li , Guodong Long , Tao Shen , Tianyi Zhou , Lina Yao , Huan Huo , Jing Jiang

Relation extraction is the problem of classifying the relationship between two entities in a given sentence. Distant Supervision (DS) is a popular technique for developing relation extractors starting with limited supervision. We note that…

计算与语言 · 计算机科学 2018-04-20 Sharmistha Jat , Siddhesh Khandelwal , Partha Talukdar

Sequence generation demonstrates promising performance in recent information extraction efforts, by incorporating large-scale pre-trained Seq2Seq models. This paper investigates the merits of employing sequence generation in relation…

计算与语言 · 计算机科学 2023-02-13 Bo Li , Dingyao Yu , Wei Ye , Jinglei Zhang , Shikun Zhang

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

Joint entity and relation extraction is the fundamental task of information extraction, consisting of two subtasks: named entity recognition and relation extraction. However, most existing joint extraction methods suffer from issues of…

计算与语言 · 计算机科学 2024-03-28 Wenjun Kong , Yamei Xia

Relation extraction aims to extract relational facts from sentences. Previous models mainly rely on manually labeled datasets, seed instances or human-crafted patterns, and distant supervision. However, the human annotation is expensive,…

机器学习 · 计算机科学 2019-08-23 Ningyu Zhang , Shumin Deng , Zhanlin Sun , Jiaoyan Chen , Wei Zhang , Huajun Chen

To disclose overlapped multiple relations from a sentence still keeps challenging. Most current works in terms of neural models inconveniently assuming that each sentence is explicitly mapped to a relation label, cannot handle multiple…

计算与语言 · 计算机科学 2018-11-13 Xinsong Zhang , Pengshuai Li , Weijia Jia , Hai Zhao

With an exponential explosive growth of various digital text information, it is challenging to efficiently obtain specific knowledge from massive unstructured text information. As one basic task for natural language processing (NLP),…

计算与语言 · 计算机科学 2020-03-27 Yan Xiao , Yaochu Jin , Ran Cheng , Kuangrong Hao

Learning from real-world data is frequently hindered by the compound challenge of long-tailed class distributions and noisy annotations. Existing methods partially address these issues but typically ignore the non-uniform impact of label…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Mengke Li , Haiquan Ling , Lihao Chen , Yang Lu , Yiqun Zhang , Hui Huang

Long-context capability and computational efficiency are among the central challenges facing today's large language models. Existing efficient attention methods reduce computational complexity, but they typically suffer from a limited…

计算与语言 · 计算机科学 2026-02-05 Yunao Zheng , Xiaojie Wang , Lei Ren , Wei Chen

Modeling long sequences is crucial for various large-scale models; however, extending existing architectures to handle longer sequences presents significant technical and resource challenges. In this paper, we propose an efficient and…

计算与语言 · 计算机科学 2024-10-08 Ning Wang , Zekun Li , Tongxin Bai , Guoqi Li

Data in the real world tends to exhibit a long-tailed label distribution, which poses great challenges for the training of neural networks in visual recognition. Existing methods tackle this problem mainly from the perspective of data…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Yan Zhao , Weicong Chen , Xu Tan , Kai Huang , Jihong Zhu

Reasoning segmentation seeks pixel-accurate masks for targets referenced by complex, often implicit instructions, requiring context-dependent reasoning over the scene. Recent multimodal language models have advanced instruction following…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Prantik Howlader , Hoang Nguyen-Canh , Srijan Das , Jingyi Xu , Hieu Le , Dimitris Samaras

The growing demand for structured knowledge has led to great interest in relation extraction, especially in cases with limited supervision. However, existing distance supervision approaches only extract relations expressed in single…

计算与语言 · 计算机科学 2017-08-16 Chris Quirk , Hoifung Poon