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Physics-Informed Neural Networks (PINNs) have emerged as a powerful class of mesh-free numerical methods for solving partial differential equations (PDEs), particularly those involving complex geometries. In this work, we present an…

数值分析 · 数学 2025-08-05 Ran Bi , Weibing Deng , Yameng Zhu

Regular physics-informed neural networks (PINNs) predict the solution of partial differential equations using sparse labeled data but only over a single domain. On the other hand, fully supervised learning models are first trained usually…

机器学习 · 计算机科学 2023-09-19 Ali Kashefi , Leonidas J. Guibas , Tapan Mukerji

Event detection in power systems aims to identify triggers and event types, which helps relevant personnel respond to emergencies promptly and facilitates the optimization of power supply strategies. However, the limited length of short…

计算与语言 · 计算机科学 2022-11-16 Qian Li , Jianxin Li , Lihong Wang , Cheng Ji , Yiming Hei , Jiawei Sheng , Qingyun Sun , Shan Xue , Pengtao Xie

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

We propose a new paradigm for universal information extraction (IE) that is compatible with any schema format and applicable to a list of IE tasks, such as named entity recognition, relation extraction, event extraction and sentiment…

计算与语言 · 计算机科学 2023-05-23 Ping Yang , Junyu Lu , Ruyi Gan , Junjie Wang , Yuxiang Zhang , Jiaxing Zhang , Pingjian Zhang

Universal Information Extraction (UIE) has garnered significant attention due to its ability to address model explosion problems effectively. Extractive UIE can achieve strong performance using a relatively small model, making it widely…

计算与语言 · 计算机科学 2025-02-19 Lu Yang , Jiajia Li , En Ci , Lefei Zhang , Zuchao Li , Ping Wang

Since the introduction of deep learning for solving partial differential equations (PDEs), there has been growing interest in real-time system responses, where the kernel function plays a key role. Physics-informed neural networks (PINNs),…

数值分析 · 数学 2025-11-17 Xiaopei Jiao , Fansheng Xiong

Event Extraction (EE) is one of the fundamental tasks in Information Extraction (IE) that aims to recognize event mentions and their arguments (i.e., participants) from text. Due to its importance, extensive methods and resources have been…

计算与语言 · 计算机科学 2022-11-21 Amir Pouran Ben Veyseh , Javid Ebrahimi , Franck Dernoncourt , Thien Huu Nguyen

Physics-Informed Neural Networks (PINNs) seek to solve partial differential equations (PDEs) with deep learning. Mainstream approaches that deploy fully-connected multi-layer deep learning architectures require prolonged training to achieve…

机器学习 · 计算机科学 2025-12-16 Shaghayegh Fazliani , Zachary Frangella , Madeleine Udell

In recent years, concept-based approaches have emerged as some of the most promising explainability methods to help us interpret the decisions of Artificial Neural Networks (ANNs). These methods seek to discover intelligible visual…

Document-level relation extraction (RE) aims to extract the relations between entities from the input document that usually containing many difficultly-predicted entity pairs whose relations can only be predicted through relational…

计算与语言 · 计算机科学 2022-11-29 Liang Zhang , Jinsong Su , Yidong Chen , Zhongjian Miao , Zijun Min , Qingguo Hu , Xiaodong Shi

Document Key Information Extraction (KIE) is a technology that transforms valuable information in document images into structured data, and it has become an essential function in industrial settings. However, current evaluation metrics of…

计算与语言 · 计算机科学 2025-03-27 Minsoo Khang , Sang Chul Jung , Sungrae Park , Teakgyu Hong

Entity Linking (EL) and Relation Extraction (RE) are fundamental tasks in Natural Language Processing, serving as critical components in a wide range of applications. In this paper, we propose ReLiK, a Retriever-Reader architecture for both…

计算与语言 · 计算机科学 2025-05-12 Riccardo Orlando , Pere-Lluis Huguet Cabot , Edoardo Barba , Roberto Navigli

Keyphrases are capable of providing semantic metadata characterizing documents and producing an overview of the content of a document. Since keyphrase extraction is able to facilitate the management, categorization, and retrieval of…

计算与语言 · 计算机科学 2020-02-14 Funan Mu , Zhenting Yu , LiFeng Wang , Yequan Wang , Qingyu Yin , Yibo Sun , Liqun Liu , Teng Ma , Jing Tang , Xing Zhou

With rise of digital age, there is an explosion of information in the form of news, articles, social media, and so on. Much of this data lies in unstructured form and manually managing and effectively making use of it is tedious, boring and…

计算与语言 · 计算机科学 2018-07-09 Sonit Singh

Extracting entities and their relations from text is an important task for understanding massive text corpora. Open information extraction (IE) systems mine relation tuples (i.e., entity arguments and a predicate string to describe their…

计算与语言 · 计算机科学 2018-12-04 Qi Zhu , Xiang Ren , Jingbo Shang , Yu Zhang , Ahmed El-Kishky , Jiawei Han

Information extraction from semi-structured documents is crucial for frictionless business-to-business (B2B) communication. While machine learning problems related to Document Information Extraction (IE) have been studied for decades, many…

信息检索 · 计算机科学 2022-06-23 Matyáš Skalický , Štěpán Šimsa , Michal Uřičář , Milan Šulc

In epidemiology, traditional statistical methods such as logistic regression, linear regression, and other parametric models are commonly employed to investigate associations between predictors and health outcomes. However, non-parametric…

机器学习 · 计算机科学 2025-01-20 Jean-Baptiste Guimbaud , Marc Plantevit , Léa Maître , Rémy Cazabet

In recent years there have been multiple successful attempts tackling document processing problems separately by designing task specific hand-tuned strategies. We argue that the diversity of historical document processing tasks prohibits to…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Sofia Ares Oliveira , Benoit Seguin , Frederic Kaplan

Extracting information from full documents is an important problem in many domains, but most previous work focus on identifying relationships within a sentence or a paragraph. It is challenging to create a large-scale information extraction…

计算与语言 · 计算机科学 2020-05-04 Sarthak Jain , Madeleine van Zuylen , Hannaneh Hajishirzi , Iz Beltagy