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Information extraction suffers from its varying targets, heterogeneous structures, and demand-specific schemas. In this paper, we propose a unified text-to-structure generation framework, namely UIE, which can universally model different IE…

Computation and Language · Computer Science 2022-03-24 Yaojie Lu , Qing Liu , Dai Dai , Xinyan Xiao , Hongyu Lin , Xianpei Han , Le Sun , Hua Wu

Information Extraction (IE) aims to extract structural knowledge (e.g., entities, relations, events) from natural language texts, which brings challenges to existing methods due to task-specific schemas and complex text expressions. Code,…

Artificial Intelligence · Computer Science 2023-11-07 Yucan Guo , Zixuan Li , Xiaolong Jin , Yantao Liu , Yutao Zeng , Wenxuan Liu , Xiang Li , Pan Yang , Long Bai , Jiafeng Guo , Xueqi Cheng

Recently, automatically extracting information from visually rich documents (e.g., tickets and resumes) has become a hot and vital research topic due to its widespread commercial value. Most existing methods divide this task into two…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Zhanzhan Cheng , Peng Zhang , Can Li , Qiao Liang , Yunlu Xu , Pengfei Li , Shiliang Pu , Yi Niu , Fei Wu

Homogeneous unstructured data (HUD) are collections of unstructured documents that share common properties, such as similar layout, common file format, or common domain of values. Building on such properties, it would be desirable to…

Artificial Intelligence · Computer Science 2015-12-21 Weronika T. Adrian , Nicola Leone , Marco Manna

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…

Information Retrieval · Computer Science 2022-06-23 Matyáš Skalický , Štěpán Šimsa , Michal Uřičář , Milan Šulc

Information Retrieval (IR) methods aim to identify documents relevant to a query, which have been widely applied in various natural language tasks. However, existing approaches typically consider only the textual content within documents,…

Computation and Language · Computer Science 2026-01-26 Jaewoo Lee , Joonho Ko , Jinheon Baek , Soyeong Jeong , Sung Ju Hwang

Deep Learning (DL) is dominating the fields of Natural Language Processing (NLP) and Computer Vision (CV) in the recent times. However, DL commonly relies on the availability of large data annotations, so other alternative or complementary…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Roberto Arroyo , Javier Yebes , Elena Martínez , Héctor Corrales , Javier Lorenzo

The challenge of information extraction (IE) lies in the diversity of label schemas and the heterogeneity of structures. Traditional methods require task-specific model design and rely heavily on expensive supervision, making them difficult…

Computation and Language · Computer Science 2023-01-10 Jie Lou , Yaojie Lu , Dai Dai , Wei Jia , Hongyu Lin , Xianpei Han , Le Sun , Hua Wu

This study explores three approaches to processing table data in scientific papers to enhance extractive question answering and develop a software tool for the systematic review process. The methods evaluated include: (1) Optical Character…

Information Retrieval · Computer Science 2025-08-27 Dongyoun Kim , Hyung-do Choi , Youngsun Jang , John Kim

The task of information extraction (IE) is to extract structured knowledge from text. However, it is often not straightforward to utilize IE output due to the mismatch between the IE ontology and the downstream application needs. We propose…

Computation and Language · Computer Science 2025-10-31 Yizhu Jiao , Sha Li , Sizhe Zhou , Heng Ji , Jiawei Han

Universal Information Extraction~(Universal IE) aims to solve different extraction tasks in a uniform text-to-structure generation manner. Such a generation procedure tends to struggle when there exist complex information structures to be…

Computation and Language · Computer Science 2023-06-21 Xin Cong. Bowen Yu , Mengcheng Fang , Tingwen Liu , Haiyang Yu , Zhongkai Hu , Fei Huang , Yongbin Li , Bin Wang

Over the past decade, machine learning methods have given us driverless cars, voice recognition, effective web search, and a much better understanding of the human genome. Machine learning is so common today that it is used dozens of times…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Omer Aydin

Advances in large language models have notably enhanced the efficiency of information extraction from unstructured and semi-structured data sources. As these technologies become integral to various applications, establishing an objective…

With the abundant amount of available online and offline text data, there arises a crucial need to extract the relation between phrases and summarize the main content of each document in a few words. For this purpose, there have been many…

Information Retrieval · Computer Science 2023-10-19 Serafina Kamp , Morteza Fayazi , Zineb Benameur-El , Shuyan Yu , Ronald Dreslinski

Automating information extraction from form-like documents at scale is a pressing need due to its potential impact on automating business workflows across many industries like financial services, insurance, and healthcare. The key challenge…

Machine Learning · Computer Science 2022-01-14 Beliz Gunel , Navneet Potti , Sandeep Tata , James B. Wendt , Marc Najork , Jing Xie

Multimodal retrieval has emerged as a promising yet challenging research direction in recent years. Most existing studies in multimodal retrieval focus on capturing information in multimodal data that is similar to their paired texts, but…

Artificial Intelligence · Computer Science 2026-01-09 Delong Zeng , Yuexiang Xie , Yaliang Li , Ying Shen

Document-level information extraction (IE) tasks have recently begun to be revisited in earnest using the end-to-end neural network techniques that have been successful on their sentence-level IE counterparts. Evaluation of the approaches,…

Computation and Language · Computer Science 2022-09-16 Aliva Das , Xinya Du , Barry Wang , Kejian Shi , Jiayuan Gu , Thomas Porter , Claire Cardie

Accurate extraction of key information from 2D engineering drawings is crucial for high-precision manufacturing. Manual extraction is slow and labor-intensive, while traditional Optical Character Recognition (OCR) techniques often struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Muhammad Tayyab Khan , Zane Yong , Lequn Chen , Jun Ming Tan , Wenhe Feng , Seung Ki Moon

The widespread use of charts and infographics as a means of data visualization in various domains has inspired recent research in automated chart understanding. However, information extraction from chart images is a complex multitasked…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Osama Mustafa , Muhammad Khizer Ali , Momina Moetesum , Imran Siddiqi

Information Extraction aims to distill structured, decision-relevant information from unstructured text, serving as a foundation for downstream understanding and reasoning. However, it is traditionally treated merely as a terminal…

Computation and Language · Computer Science 2026-04-17 Hang Lv , Sheng Liang , Hongchao Gu , Wei Guo , Defu Lian , Yong Liu , Hao Wang , Enhong Chen