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A large amount of document data exists in unstructured form such as raw images without any text information. Designing a practical document image analysis system is a meaningful but challenging task. In previous work, we proposed an…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Chenxia Li , Ruoyu Guo , Jun Zhou , Mengtao An , Yuning Du , Lingfeng Zhu , Yi Liu , Xiaoguang Hu , Dianhai Yu

Neural networks often struggle with high-dimensional but small sample-size tabular datasets. One reason is that current weight initialisation methods assume independence between weights, which can be problematic when there are insufficient…

机器学习 · 计算机科学 2024-08-20 Andrei Margeloiu , Nikola Simidjievski , Pietro Lio , Mateja Jamnik

Extracting tables and key-value pairs from financial documents is essential for business workflows such as auditing, data analytics, and automated invoice processing. In this work, we introduce Spatial ModernBERT-a transformer-based model…

计算与语言 · 计算机科学 2025-07-15 Javis AI Team , Amrendra Singh , Maulik Shah , Dharshan Sampath

In enterprise datasets, documents are rarely pure. They are not just text, nor just numbers; they are a complex amalgam of narrative and structure. Current Retrieval-Augmented Generation (RAG) systems have attempted to address this…

人工智能 · 计算机科学 2026-01-16 Alex Dantart , Marco Kóvacs-Navarro

Table retrieval, essential for accessing information through tabular data, is less explored compared to text retrieval. The row/column structure and distinct fields of tables (including titles, headers, and cells) present unique challenges.…

信息检索 · 计算机科学 2025-03-05 Da Li , Keping Bi , Jiafeng Guo , Xueqi Cheng

Controlled table-to-text generation seeks to generate natural language descriptions for highlighted subparts of a table. Previous SOTA systems still employ a sequence-to-sequence generation method, which merely captures the table as a…

计算与语言 · 计算机科学 2022-05-10 Fei Wang , Zhewei Xu , Pedro Szekely , Muhao Chen

Joint entity and relation extraction is the fundamental task of information extraction, consisting of two subtasks: named entity recognition and relation extraction. However, most existing joint extraction methods suffer from issues of…

计算与语言 · 计算机科学 2024-03-28 Wenjun Kong , Yamei Xia

A critical component in the implementation of an efficient tabling system is the design of the table space. The most popular and successful data structure for representing tables is based on a two-level trie data structure, where one trie…

编程语言 · 计算机科学 2011-12-19 João Raimundo , Ricardo Rocha

Single-cell spatial transcriptomics (ST) offers a unique approach to measuring gene expression profiles and spatial cell locations simultaneously. However, most existing ST methods assume that cells in closer spatial proximity exhibit more…

基因组学 · 定量生物学 2025-06-10 Xiongtao Xiao , Xiaofeng Chen , Feiyan Jiang , Songming Zhang , Wenming Cao , Cheng Tan , Zhangyang Gao , Zhongshan Li

Automating table extraction (TE) from business documents is critical for industrial workflows but remains challenging due to sparse annotations and error-prone multi-stage pipelines. While semi-supervised learning (SSL) can leverage…

Real-world financial filings report critical information about an entity's investment holdings, essential for assessing that entity's risk, profitability, and relationship profile. Yet, these details are often buried in messy, multi-page,…

人工智能 · 计算机科学 2026-02-25 Nicole Cho , Kirsty Fielding , William Watson , Sumitra Ganesh , Manuela Veloso

Enabling question answering over tables and databases in natural language has become a key capability in the democratization of insights from tabular data sources. These systems first require retrieval of data that is relevant to a given…

信息检索 · 计算机科学 2026-03-10 Wojciech Kosiuk , Xingyu Ji , Yeounoh Chung , Fatma Özcan , Madelon Hulsebos

The emerging trend in computer vision emphasizes developing universal models capable of simultaneously addressing multiple diverse tasks. Such universality typically requires joint training across multi-domain datasets to ensure effective…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Eunsoo Im , Changhyun Jee , Jung Kwon Lee

We revisit the classic problem of document-level role-filler entity extraction (REE) for template filling. We argue that sentence-level approaches are ill-suited to the task and introduce a generative transformer-based encoder-decoder…

计算与语言 · 计算机科学 2021-02-01 Xinya Du , Alexander M. Rush , Claire Cardie

Active learning selects the most informative samples to exploit limited annotation budgets. Existing work follows a cumbersome pipeline that repeats the time-consuming model training and batch data selection multiple times. In this paper,…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yichen Xie , Masayoshi Tomizuka , Wei Zhan

Image restoration tasks traditionally rely on convolutional neural networks. However, given the local nature of the convolutional operator, they struggle to capture global information. The promise of attention mechanisms in Transformers is…

图像与视频处理 · 电气工程与系统科学 2024-05-08 Amirhosein Ghasemabadi , Muhammad Kamran Janjua , Mohammad Salameh , Chunhua Zhou , Fengyu Sun , Di Niu

Document-level relation extraction is a challenging task which requires reasoning over multiple sentences in order to predict relations in a document. In this paper, we pro-pose a joint training frameworkE2GRE(Entity and Evidence Guided…

计算与语言 · 计算机科学 2020-08-28 Kevin Huang , Guangtao Wang , Tengyu Ma , Jing Huang

The output structure of database-like tables, consisting of values structured in horizontal rows and vertical columns identifiable by name, can cover a wide range of NLP tasks. Following this constatation, we propose a framework for…

Text classification aims to assign labels to textual units by making use of global information. Recent studies have applied graph neural network (GNN) to capture the global word co-occurrence in a corpus. Existing approaches require that…

计算与语言 · 计算机科学 2022-06-02 Kunze Wang , Soyeon Caren Han , Josiah Poon

In the digital era, the ability to understand visually rich documents that integrate text, complex layouts, and imagery is critical. Traditional Key Information Extraction (KIE) methods primarily rely on Optical Character Recognition (OCR),…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Shuhang Liu , Zhenrong Zhang , Pengfei Hu , Jiefeng Ma , Jun Du , Qing Wang , Jianshu Zhang , Chenyu Liu