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We present a new formulation for structured information extraction (SIE) from visually rich documents. It aims to address the limitations of existing IOB tagging or graph-based formulations, which are either overly reliant on the correct…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Haofu Liao , Aruni RoyChowdhury , Weijian Li , Ankan Bansal , Yuting Zhang , Zhuowen Tu , Ravi Kumar Satzoda , R. Manmatha , Vijay Mahadevan

In this paper, we present a coarse to fine question answering (CFQA) system based on reinforcement learning which can efficiently processes documents with different lengths by choosing appropriate actions. The system is designed using an…

Computation and Language · Computer Science 2021-06-02 Yu Wang , Hongxia Jin

US corporations regularly spend millions of dollars reviewing electronically-stored documents in legal matters. Recently, attorneys apply text classification to efficiently cull massive volumes of data to identify responsive documents for…

Information Retrieval · Computer Science 2023-11-16 Christian Mahoney , Peter Gronvall , Nathaniel Huber-Fliflet , Jianping Zhang

Spoken question answering (SQA) is a challenging task that requires the machine to fully understand the complex spoken documents. Automatic speech recognition (ASR) plays a significant role in the development of QA systems. However, the…

Computation and Language · Computer Science 2021-04-02 Chenyu You , Nuo Chen , Yuexian Zou

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

Chart question answering (CQA) is a task used for assessing chart comprehension, which is fundamentally different from understanding natural images. CQA requires analyzing the relationships between the textual and the visual components of a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Matan Levy , Rami Ben-Ari , Dani Lischinski

While large language models now handle million-token contexts, their capacity for reasoning across entire document repositories remains largely untested. Existing benchmarks are inadequate, as they are mostly limited to single long texts or…

Computation and Language · Computer Science 2026-04-28 Zhiyuan Lu , Chenliang Li , Yingcheng Shi , Weizhou Shen , Ming Yan , Fei Huang

Existing approaches for open-domain question answering (QA) are typically designed for questions that require either single-hop or multi-hop reasoning, which make strong assumptions of the complexity of questions to be answered. Also,…

Computation and Language · Computer Science 2021-05-25 Ping Nie , Yuyu Zhang , Arun Ramamurthy , Le Song

On a wide range of natural language processing and information retrieval tasks, transformer-based models, particularly pre-trained language models like BERT, have demonstrated tremendous effectiveness. Due to the quadratic complexity of the…

Information Retrieval · Computer Science 2022-10-18 Minghan Li , Diana Nicoleta Popa , Johan Chagnon , Yagmur Gizem Cinar , Eric Gaussier

Visual question answering (VQA) has emerged as a flexible approach for extracting specific pieces of information from document images. However, existing work typically queries each field in isolation, overlooking potential dependencies…

Computation and Language · Computer Science 2025-03-24 Mengsay Loem , Taiju Hosaka

Declaration of Performance (DoP) documents, mandated by EU regulation, specify characteristics of construction products, such as fire resistance and insulation. While this information is essential for quality control and reducing carbon…

Computation and Language · Computer Science 2026-01-15 Gaye Colakoglu , Gürkan Solmaz , Jonathan Fürst

Key Information Extraction (KIE) from real-world documents remains challenging due to substantial variations in layout structures, visual quality, and task-specific information requirements. Recent Large Multimodal Models (LMMs) have shown…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Yifan Ji , Zhipeng Xu , Zhenghao Liu , Zulong Chen , Qian Zhang , Zhibo Yang , Junyang Lin , Yu Gu , Ge Yu , Maosong Sun

Long-sequence transformers are designed to improve the representation of longer texts by language models and their performance on downstream document-level tasks. However, not much is understood about the quality of token-level predictions…

Computation and Language · Computer Science 2023-03-15 Kamil Bujel , Andrew Caines , Helen Yannakoudakis , Marek Rei

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

State-of-the-art systems in deep question answering proceed as follows: (1) an initial document retrieval selects relevant documents, which (2) are then processed by a neural network in order to extract the final answer. Yet the exact…

Computation and Language · Computer Science 2018-08-21 Bernhard Kratzwald , Stefan Feuerriegel

Extractive question answering (QA) systems can enable physicians and researchers to query medical records, a foundational capability for designing clinical studies and understanding patient medical history. However, building these systems…

Computation and Language · Computer Science 2023-12-07 Joel Stremmel , Ardavan Saeedi , Hamid Hassanzadeh , Sanjit Batra , Jeffrey Hertzberg , Jaime Murillo , Eran Halperin

Large, high-quality annotated corpora remain scarce in document-level entity and relation extraction in zero-shot or few-shot settings. In this paper, we present a fully automatic, LLM-based pipeline for synthetic data generation and…

Computation and Language · Computer Science 2025-07-09 Nicholas Popovič , Ashish Kangen , Tim Schopf , Michael Färber

Information extraction (IE) for visually-rich documents (VRDs) has achieved SOTA performance recently thanks to the adaptation of Transformer-based language models, which shows the great potential of pre-training methods. In this paper, we…

Artificial Intelligence · Computer Science 2021-07-07 Tuan-Anh D. Nguyen , Hieu M. Vu , Nguyen Hong Son , Minh-Tien Nguyen

Healthcare question answering assistance aims to provide customer healthcare information, which widely appears in both Web and mobile Internet. The questions usually require the assistance to have proficient healthcare background knowledge…

Artificial Intelligence · Computer Science 2020-09-29 Ye Liu , Shaika Chowdhury , Chenwei Zhang , Cornelia Caragea , Philip S. Yu

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