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Document-level relation extraction aims to extract relations among multiple entity pairs from a document. Previously proposed graph-based or transformer-based models utilize the entities independently, regardless of global information among…

Computation and Language · Computer Science 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

Document parsing (DP) transforms unstructured or semi-structured documents into structured, machine-readable representations, enabling downstream applications such as knowledge base construction and retrieval-augmented generation (RAG).…

In this paper we tackle the problem of unsupervised domain adaptation for the task of semantic segmentation, where we attempt to transfer the knowledge learned upon synthetic datasets with ground-truth labels to real-world images without…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Wei-Lun Chang , Hui-Po Wang , Wen-Hsiao Peng , Wei-Chen Chiu

In this paper, we study the problem of parsing structured knowledge graphs from textual descriptions. In particular, we consider the scene graph representation that considers objects together with their attributes and relations: this…

Computation and Language · Computer Science 2018-03-28 Yu-Siang Wang , Chenxi Liu , Xiaohui Zeng , Alan Yuille

Recently, the structural reading comprehension (SRC) task on web pages has attracted increasing research interests. Although previous SRC work has leveraged extra information such as HTML tags or XPaths, the informative topology of web…

Computation and Language · Computer Science 2022-05-16 Zihan Zhao , Lu Chen , Ruisheng Cao , Hongshen Xu , Xingyu Chen , Kai Yu

Information Extraction (IE) is the task of automatically extracting structured information from unstructured/semi-structured machine-readable documents. Among various IE tasks, extracting actionable intelligence from ever-increasing amount…

Computation and Language · Computer Science 2013-11-19 Seyed-Mehdi-Reza Beheshti , Srikumar Venugopal , Seung Hwan Ryu , Boualem Benatallah , Wei Wang

Document information extraction tasks performed by humans create data consisting of a PDF or document image input, and extracted string outputs. This end-to-end data is naturally consumed and produced when performing the task because it is…

Computation and Language · Computer Science 2021-04-26 Rasmus Berg Palm , Florian Laws , Ole Winther

Information Extraction (IE) refers to automatically extracting structured relation tuples from unstructured texts. Common IE solutions, including Relation Extraction (RE) and open IE systems, can hardly handle cross-sentence tuples, and are…

Information Retrieval · Computer Science 2019-01-29 Lin Qiu , Hao Zhou , Yanru Qu , Weinan Zhang , Suoheng Li , Shu Rong , Dongyu Ru , Lihua Qian , Kewei Tu , Yong Yu

Sentence-by-sentence information extraction from long documents is an exhausting and error-prone task. As the indicator of document skeleton, catalogs naturally chunk documents into segments and provide informative cascade semantics, which…

Computation and Language · Computer Science 2023-05-01 Tong Zhu , Guoliang Zhang , Zechang Li , Zijian Yu , Junfei Ren , Mengsong Wu , Zhefeng Wang , Baoxing Huai , Pingfu Chao , Wenliang Chen

Since real-world ubiquitous documents (e.g., invoices, tickets, resumes and leaflets) contain rich information, automatic document image understanding has become a hot topic. Most existing works decouple the problem into two separate tasks,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Peng Zhang , Yunlu Xu , Zhanzhan Cheng , Shiliang Pu , Jing Lu , Liang Qiao , Yi Niu , Fei Wu

Information extraction (IE) is an important task in Natural Language Processing (NLP), involving the extraction of named entities and their relationships from unstructured text. In this paper, we propose a novel approach to this task by…

Computation and Language · Computer Science 2024-04-22 Urchade Zaratiana , Nadi Tomeh , Niama El Khbir , Pierre Holat , Thierry Charnois

Page-level analysis of documents has been a topic of interest in digitization efforts, and multimodal approaches have been applied to both classification and page stream segmentation. In this work, we focus on capturing finer semantic…

Machine Learning · Computer Science 2022-05-27 Mehmet Arif Demirtaş , Berke Oral , Mehmet Yasin Akpınar , Onur Deniz

In the domain of Document AI, parsing semi-structured image form is a crucial Key Information Extraction (KIE) task. The advent of pre-trained multimodal models significantly empowers Document AI frameworks to extract key information from…

Computation and Language · Computer Science 2024-12-19 Xianfu Cheng , Hang Zhang , Jian Yang , Xiang Li , Weixiao Zhou , Fei Liu , Kui Wu , Xiangyuan Guan , Tao Sun , Xianjie Wu , Tongliang Li , Zhoujun Li

State-of-the-art solutions for Natural Language Processing (NLP) are able to capture a broad range of contexts, like the sentence-level context or document-level context for short documents. But these solutions are still struggling when it…

Various linearizations have been proposed to cast syntactic dependency parsing as sequence labeling. However, these approaches do not support more complex graph-based representations, such as semantic dependencies or enhanced universal…

Computation and Language · Computer Science 2024-10-24 Ana Ezquerro , David Vilares , Carlos Gómez-Rodríguez

This paper introduces a new information extraction model for business documents. Different from prior studies which only base on span extraction or sequence labeling, the model takes into account advantage of both span extraction and…

Computation and Language · Computer Science 2022-05-27 Nguyen Hong Son , Hieu M. Vu , Tuan-Anh D. Nguyen , Minh-Tien Nguyen

Information Extraction refers to a collection of tasks within Natural Language Processing (NLP) that identifies sub-sequences within text and their labels. These tasks have been used for many years to link extract relevant information and…

Computation and Language · Computer Science 2024-03-26 Yifan Ding , Michael Yankoski , Tim Weninger

Recent advancements in the area of Computer Vision with state-of-art Neural Networks has given a boost to Optical Character Recognition (OCR) accuracies. However, extracting characters/text alone is often insufficient for relevant…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Vishwanath D , Rohit Rahul , Gunjan Sehgal , Swati , Arindam Chowdhury , Monika Sharma , Lovekesh Vig , Gautam Shroff , Ashwin Srinivasan

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

Open Information Extraction (OIE) is a structured prediction (SP) task in Natural Language Processing (NLP) that aims to extract structured $n$-ary tuples - usually subject-relation-object triples - from free text. The word embeddings in…

Computation and Language · Computer Science 2024-03-22 Fauzan Farooqui , Thanmay Jayakumar , Pulkit Mathur , Mansi Radke