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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…

计算与语言 · 计算机科学 2023-03-15 Kamil Bujel , Andrew Caines , Helen Yannakoudakis , Marek Rei

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…

人工智能 · 计算机科学 2021-07-07 Tuan-Anh D. Nguyen , Hieu M. Vu , Nguyen Hong Son , Minh-Tien Nguyen

Relation extraction is an efficient way of mining the extraordinary wealth of human knowledge on the Web. Existing methods rely on domain-specific training data or produce noisy outputs. We focus here on extracting targeted relations from…

信息检索 · 计算机科学 2024-02-23 Zhi Hong , Kyle Chard , Ian Foster

While storing invoice content as metadata to avoid paper document processing may be the future trend, almost all of daily issued invoices are still printed on paper or generated in digital formats such as PDFs. In this paper, we introduce…

计算与语言 · 计算机科学 2022-08-09 Hien Thi Ha , Aleš Horák

In this paper, we introduce the range of oBERTa language models, an easy-to-use set of language models which allows Natural Language Processing (NLP) practitioners to obtain between 3.8 and 24.3 times faster models without expertise in…

计算与语言 · 计算机科学 2023-06-07 Daniel Campos , Alexandre Marques , Mark Kurtz , ChengXiang Zhai

Document Layout analysis (DLA), is the process by which a page is parsed into meaningful elements, often using machine learning models. Typically, the quality of a model is judged using general object detection metrics such as IoU, F1 or…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Jonathan Bourne , Mwiza Simbeye , Ishtar Govia

Academic documents are packed with texts, equations, tables, and figures, requiring comprehensive understanding for accurate Optical Character Recognition (OCR). While end-to-end OCR methods offer improved accuracy over layout-based…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Yu Sun , Dongzhan Zhou , Chen Lin , Conghui He , Wanli Ouyang , Han-Sen Zhong

Conventional Optical Character Recognition (OCR) systems are challenged by variant invoice layouts, handwritten text, and low-quality scans, which are often caused by strong template dependencies that restrict their flexibility across…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Khushi Khanchandani , Advait Thakur , Akshita Shetty , Chaitravi Reddy , Ritisa Behera

Document Understanding is an evolving field in Natural Language Processing (NLP). In particular, visual and spatial features are essential in addition to the raw text itself and hence, several multimodal models were developed in the field…

计算与语言 · 计算机科学 2024-04-18 Wiam Adnan , Joel Tang , Yassine Bel Khayat Zouggari , Seif Edinne Laatiri , Laurent Lam , Fabien Caspani

LEarning TO Rank (LETOR) is a research area in the field of Information Retrieval (IR) where machine learning models are employed to rank a set of items. In the past few years, neural LETOR approaches have become a competitive alternative…

信息检索 · 计算机科学 2021-02-24 Alberto Purpura , Karolina Buchner , Gianmaria Silvello , Gian Antonio Susto

Lengthy documents pose a unique challenge to neural language models due to substantial memory consumption. While existing state-of-the-art (SOTA) models segment long texts into equal-length snippets (e.g., 128 tokens per snippet) or deploy…

计算与语言 · 计算机科学 2024-05-14 Guangzeng Han , Jack Tsao , Xiaolei Huang

Transformer architectures have achieved remarkable success across language, vision, and multimodal tasks, and there is growing demand for them to address in-context compositional learning tasks. In these tasks, models solve the target…

机器学习 · 计算机科学 2025-11-26 Wei Chen , Jingxi Yu , Zichen Miao , Qiang Qiu

Recently, leveraging large language models (LLMs) or multimodal large language models (MLLMs) for document understanding has been proven very promising. However, previous works that employ LLMs/MLLMs for document understanding have not…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Chuwei Luo , Yufan Shen , Zhaoqing Zhu , Qi Zheng , Zhi Yu , Cong Yao

The Bidirectional Encoder Representations from Transformers (BERT) model has achieved the state-of-the-art performance for many natural language processing (NLP) tasks. Yet, limited research has been contributed to studying its…

计算与语言 · 计算机科学 2021-09-23 Zimin Wan , Chenchen Xu , Hanna Suominen

Cross-lingual document representations enable language understanding in multilingual contexts and allow transfer learning from high-resource to low-resource languages at the document level. Recently large pre-trained language models such as…

计算与语言 · 计算机科学 2021-06-08 Hongyu Gong , Vishrav Chaudhary , Yuqing Tang , Francisco Guzmán

The Arabic language is a morphologically rich language with relatively few resources and a less explored syntax compared to English. Given these limitations, Arabic Natural Language Processing (NLP) tasks like Sentiment Analysis (SA), Named…

计算与语言 · 计算机科学 2021-03-09 Wissam Antoun , Fady Baly , Hazem Hajj

A visually rich document (VRD) utilizes visual features along with linguistic cues to disseminate information. Training a custom extractor that identifies named entities from a document requires a large number of instances of the target…

The predominant approach for language modeling is to process sequences from left to right, but this eliminates a source of information: the order by which the sequence was generated. One strategy to recover this information is to decode…

计算与语言 · 计算机科学 2021-11-01 Xuanlin Li , Brandon Trabucco , Dong Huk Park , Michael Luo , Sheng Shen , Trevor Darrell , Yang Gao

Semi-structured documents integrate diverse interleaved data elements (e.g., tables, charts, hierarchical paragraphs) arranged in various and often irregular layouts. These documents are widely observed across domains and account for a…

信息检索 · 计算机科学 2026-04-15 Bangrui Xu , Qihang Yao , Zirui Tang , Xuanhe Zhou , Yeye He , Shihan Yu , Qianqian Xu , Bin Wang , Guoliang Li , Conghui He , Fan Wu

Advances in Visually Rich Document Understanding (VrDU) have enabled information extraction and question answering over documents with complex layouts. Two tropes of architectures have emerged -- transformer-based models inspired by LLMs,…

计算与语言 · 计算机科学 2024-01-08 Dongsheng Wang , Zhiqiang Ma , Armineh Nourbakhsh , Kang Gu , Sameena Shah