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While deep learning has been incredibly successful in modeling tasks with large, carefully curated labeled datasets, its application to problems with limited labeled data remains a challenge. The aim of the present work is to improve the…

音频与语音处理 · 电气工程与系统科学 2019-10-29 Tyler Lee , Ting Gong , Suchismita Padhy , Andrew Rouditchenko , Anthony Ndirango

Key Information Extraction (KIE) is a challenging multimodal task that aims to extract structured value semantic entities from visually rich documents. Although significant progress has been made, there are still two major challenges that…

人工智能 · 计算机科学 2023-07-21 Kaiwen Wei , Jie Yao , Jingyuan Zhang , Yangyang Kang , Fubang Zhao , Yating Zhang , Changlong Sun , Xin Jin , Xin Zhang

In this paper, we consider advancing web-scale knowledge extraction and alignment by integrating OpenIE extractions in the form of (subject, predicate, object) triples with Knowledge Bases (KB). Traditional techniques from universal schema…

信息检索 · 计算机科学 2019-04-30 Dongxu Zhang , Subhabrata Mukherjee , Colin Lockard , Xin Luna Dong , Andrew McCallum

Text structuralization is one of the important fields of natural language processing (NLP) consists of information extraction (IE) and structure formalization. However, current studies of text structuralization suffer from a shortage of…

计算与语言 · 计算机科学 2023-03-31 Xuanfan Ni , Piji Li , Huayang Li

Preventable adverse drug reactions as a result of medical errors present a growing concern in modern medicine. As drug-drug interactions (DDIs) may cause adverse reactions, being able to extracting DDIs from drug labels into…

计算与语言 · 计算机科学 2019-05-21 Tung Tran , Ramakanth Kavuluru , Halil Kilicoglu

Surface defect detection is a critical task across numerous industries, aimed at efficiently identifying and localising imperfections or irregularities on manufactured components. While numerous methods have been proposed, many fail to meet…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Blaž Rolih , Matic Fučka , Danijel Skočaj

Entity relation extraction consists of two sub-tasks: entity recognition and relation extraction. Existing methods either tackle these two tasks separately or unify them with word-by-word interactions. In this paper, we propose HIORE, a new…

计算与语言 · 计算机科学 2023-05-09 Yijun Wang , Changzhi Sun , Yuanbin Wu , Lei Li , Junchi Yan , Hao Zhou

Document-level event extraction aims to extract structured event information from unstructured text. However, a single document often contains limited event information and the roles of different event arguments may be biased due to the…

计算与语言 · 计算机科学 2024-08-27 Qiang Gao , Zixiang Meng , Bobo Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

Relational database management systems (RDBMS) are widely used for the storage of structured data. To derive insights beyond statistical aggregation, we typically have to extract specific subdatasets from the database using conventional…

数据库 · 计算机科学 2024-11-05 Lingze Zeng , Naili Xing , Shaofeng Cai , Gang Chen , Beng Chin Ooi , Jian Pei , Yuncheng Wu

Dropout is a widely used regularization trick to resolve the overfitting issue in large feedforward neural networks trained on a small dataset, which performs poorly on the held-out test subset. Although the effectiveness of this…

计算与语言 · 计算机科学 2023-03-29 Suman Adhya , Avishek Lahiri , Debarshi Kumar Sanyal

Open relation extraction (OpenRE) is the task of extracting relation schemes from open-domain corpora. Most existing OpenRE methods either do not fully benefit from high-quality labeled corpora or can not learn semantic representation…

计算与语言 · 计算机科学 2022-06-02 Yutong Wang , Renze Lou , Kai Zhang , MaoYan Chen , Yujiu Yang

Transfer learning from large-scale pre-trained models has become essential for many computer vision tasks. Recent studies have shown that datasets like ImageNet are weakly labeled since images with multiple object classes present are…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Sai Rajeswar , Pau Rodriguez , Soumye Singhal , David Vazquez , Aaron Courville

Multi-scenario & multi-task learning has been widely applied to many recommendation systems in industrial applications, wherein an effective and practical approach is to carry out multi-scenario transfer learning on the basis of the…

信息检索 · 计算机科学 2024-10-11 Jie Zhou , Xianshuai Cao , Wenhao Li , Lin Bo , Kun Zhang , Chuan Luo , Qian Yu

Definition bias is a negative phenomenon that can mislead models. Definition bias in information extraction appears not only across datasets from different domains but also within datasets sharing the same domain. We identify two types of…

计算与语言 · 计算机科学 2024-03-26 Wenhao Huang , Qianyu He , Zhixu Li , Jiaqing Liang , Yanghua Xiao

Large language models (LLMs) can perform a new task by merely conditioning on task instructions and a few input-output examples, without optimizing any parameters. This is called In-Context Learning (ICL). In-context Information Extraction…

计算与语言 · 计算机科学 2025-07-14 Chaoxu Pang , Yixuan Cao , Qiang Ding , Ping Luo

Universal domain adaptation (UniDA) is a practical but challenging problem, in which information about the relation between the source and the target domains is not given for knowledge transfer. Existing UniDA methods may suffer from the…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Yanzuo Lu , Meng Shen , Andy J Ma , Xiaohua Xie , Jian-Huang Lai

Extracting event relations that deviate from known schemas has proven challenging for previous methods based on multi-class classification, MASK prediction, or prototype matching. Recent advancements in large language models have shown…

计算与语言 · 计算机科学 2025-02-07 Jun Xu , Mengshu Sun , Zhiqiang Zhang , Jun Zhou

Relation Extraction (RE) is a fundamental task in Natural Language Processing, and its document-level variant poses significant challenges, due to complex interactions between entities across sentences. While supervised models have achieved…

计算与语言 · 计算机科学 2025-10-08 Robin Armingaud , Romaric Besançon

Open Information Extraction (OpenIE) represents a crucial NLP task aimed at deriving structured information from unstructured text, unrestricted by relation type or domain. This survey paper provides an overview of OpenIE technologies…

计算与语言 · 计算机科学 2024-10-25 Pai Liu , Wenyang Gao , Wenjie Dong , Lin Ai , Ziwei Gong , Songfang Huang , Zongsheng Li , Ehsan Hoque , Julia Hirschberg , Yue Zhang

Distantly supervised relation extraction has been widely applied in knowledge base construction due to its less requirement of human efforts. However, the automatically established training datasets in distant supervision contain…

计算与语言 · 计算机科学 2020-12-21 Tianyi Liu , Xiangyu Lin , Weijia Jia , Mingliang Zhou , Wei Zhao
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