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Extracting key information from documents, such as receipts or invoices, and preserving the interested texts to structured data is crucial in the document-intensive streamline processes of office automation in areas that includes but not…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Xiaohui Zhao , Endi Niu , Zhuo Wu , Xiaoguang Wang

Most modern Information Extraction (IE) systems are implemented as sequential taggers and only model local dependencies. Non-local and non-sequential context is, however, a valuable source of information to improve predictions. In this…

Computation and Language · Computer Science 2019-04-08 Yujie Qian , Enrico Santus , Zhijing Jin , Jiang Guo , Regina Barzilay

The objective of Information Extraction (IE) is to derive structured representations from unstructured or semi-structured documents. However, developing IE models is complex due to the need of integrating several subtasks. Additionally,…

Information Retrieval · Computer Science 2024-06-04 Arne Binder , Leonhard Hennig , Christoph Alt

The task of Information Extraction (IE) involves automatically converting unstructured textual content into structured data. Most research in this field concentrates on extracting all facts or a specific set of relationships from documents.…

Computation and Language · Computer Science 2024-01-19 Nicolas Gutehrlé , Iana Atanassova

Automatically extracting key information from scientific documents has the potential to help scientists work more efficiently and accelerate the pace of scientific progress. Prior work has considered extracting document-level entity…

Digital Libraries · Computer Science 2021-06-04 Vijay Viswanathan , Graham Neubig , Pengfei Liu

Enterprise documents, such as forms and reports, embed critical information for downstream applications like data archiving, automated workflows, and analytics. Although generalist Vision Language Models (VLMs) perform well on established…

Computation and Language · Computer Science 2026-02-13 Mathieu Sibue , Andres Muñoz Garza , Samuel Mensah , Pranav Shetty , Zhiqiang Ma , Xiaomo Liu , Manuela Veloso

Open Information Extraction (OpenIE) aims to extract structured relational tuples (subject, relation, object) from sentences and plays critical roles for many downstream NLP applications. Existing solutions perform extraction at sentence…

Computation and Language · Computer Science 2021-05-12 Kuicai Dong , Yilin Zhao , Aixin Sun , Jung-Jae Kim , Xiaoli Li

Document-level relation extraction has attracted much attention in recent years. It is usually formulated as a classification problem that predicts relations for all entity pairs in the document. However, previous works indiscriminately…

Computation and Language · Computer Science 2021-06-04 Shuang Zeng , Yuting Wu , Baobao Chang

The vast amounts of on-line text now available have led to renewed interest in information extraction (IE) systems that analyze unrestricted text, producing a structured representation of selected information from the text. This paper…

Artificial Intelligence · Computer Science 2014-11-17 S. Soderland , Lehnert. W

Document images can be affected by many degradation scenarios, which cause recognition and processing difficulties. In this age of digitization, it is important to denoise them for proper usage. To address this challenge, we present a new…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Mohamed Ali Souibgui , Sanket Biswas , Sana Khamekhem Jemni , Yousri Kessentini , Alicia Fornés , Josep Lladós , Umapada Pal

Information extraction (IE) aims to produce structured information from an input text, e.g., Named Entity Recognition and Relation Extraction. Various attempts have been proposed for IE via feature engineering or deep learning. However,…

Computation and Language · Computer Science 2019-12-09 Wenya Wang , Sinno Jialin Pan

We introduce a novel approach for scanned document representation to perform field extraction. It allows the simultaneous encoding of the textual, visual and layout information in a 3-axis tensor used as an input to a segmentation model. We…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Mohamed Kerroumi , Othmane Sayem , Aymen Shabou

Temporal information extraction (IE) aims to extract structured temporal information from unstructured text, thereby uncovering the implicit timelines within. This technique is applied across domains such as healthcare, newswire, and…

Computation and Language · Computer Science 2025-04-11 Xin Su , Phillip Howard , Steven Bethard

Scientific information extraction (SciIE) is critical for converting unstructured knowledge from scholarly articles into structured data (entities and relations). Several datasets have been proposed for training and validating SciIE models.…

Computation and Language · Computer Science 2024-10-29 Qi Zhang , Zhijia Chen , Huitong Pan , Cornelia Caragea , Longin Jan Latecki , Eduard Dragut

Information extraction (IE) from Visually Rich Documents (VRDs) containing layout features along with text is a critical and well-studied task. Specialized non-LLM NLP-based solutions typically involve training models using both textual and…

Information Retrieval · Computer Science 2025-05-21 Aniket Bhattacharyya , Anurag Tripathi , Ujjal Das , Archan Karmakar , Amit Pathak , Maneesh Gupta

Multimodal Information Extraction (MIE) requires fusing text and visual cues from visually rich documents. While recent methods have advanced multimodal representation learning, most implicitly assume modality equivalence or treat…

Information Retrieval · Computer Science 2025-11-20 Yang Li , Yajiao Wang , Wenhao Hu , Zhixiong Zhang , Mengting Zhang

Document-level Relation Extraction (DocRE) aims to identify relation labels between entities within a single document. It requires handling several sentences and reasoning over them. State-of-the-art DocRE methods use a graph structure to…

Computation and Language · Computer Science 2024-03-05 Xudong Zhu , Zhao Kang , Bei Hui

Extracting information from documents usually relies on natural language processing methods working on one-dimensional sequences of text. In some cases, for example, for the extraction of key information from semi-structured documents, such…

Computation and Language · Computer Science 2021-06-29 Oliver Bensch , Mirela Popa , Constantin Spille

Information Extraction (IE) from document images is challenging due to the high variability of layout formats. Deep models such as LayoutLM and BROS have been proposed to address this problem and have shown promising results. However, they…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Abhishek Singh , Venkatapathy Subramanian , Ayush Maheshwari , Pradeep Narayan , Devi Prasad Shetty , Ganesh Ramakrishnan

Transformer is important for text modeling. However, it has difficulty in handling long documents due to the quadratic complexity with input text length. In order to handle this problem, we propose a hierarchical interactive Transformer…

Computation and Language · Computer Science 2021-12-10 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang