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Unsupervised domain adaptation (UDA) is to learn classification models that make predictions for unlabeled data on a target domain, given labeled data on a source domain whose distribution diverges from the target one. Mainstream UDA…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Hui Tang , Xiatian Zhu , Ke Chen , Kui Jia , C. L. Philip Chen

Self-supervised representation learning has been highly promising for histopathology image analysis with numerous approaches leveraging their patient-slide-patch hierarchy to learn better representations. In this paper, we explore how the…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Hasindri Watawana , Kanchana Ranasinghe , Tariq Mahmood , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

The surge of pre-training has witnessed the rapid development of document understanding recently. Pre-training and fine-tuning framework has been effectively used to tackle texts in various formats, including plain texts, document texts,…

计算与语言 · 计算机科学 2022-10-07 Jingye Chen , Tengchao Lv , Lei Cui , Cha Zhang , Furu Wei

Document images are a ubiquitous source of data where the text is organized in a complex hierarchical structure ranging from fine granularity (e.g., words), medium granularity (e.g., regions such as paragraphs or figures), to coarse…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Zilong Wang , Jiuxiang Gu , Chris Tensmeyer , Nikolaos Barmpalios , Ani Nenkova , Tong Sun , Jingbo Shang , Vlad I. Morariu

Retrieval-augmented generation (RAG) for document-based Open-domain Question Answering (ODQA) on large-scale industrial corpora faces two critical bottlenecks: routing failure in locating the correct document and evidence fragmentation in…

人工智能 · 计算机科学 2026-05-29 Joongmin Shin , Gyuho Shim , Jeongbae Park , Jaehyung Seo , Heuiseok Lim

We propose a method to create document representations that reflect their internal structure. We modify Tree-LSTMs to hierarchically merge basic elements such as words and sentences into blocks of increasing complexity. Our Structure…

计算与语言 · 计算机科学 2019-10-08 Khalil Mrini , Claudiu Musat , Michael Baeriswyl , Martin Jaggi

Existing methods for Visual Information Extraction (VIE) from form-like documents typically fragment the process into separate subtasks, such as key information extraction, key-value pair extraction, and choice group extraction. However,…

计算与语言 · 计算机科学 2024-01-18 Kai Hu , Jiawei Wang , Weihong Lin , Zhuoyao Zhong , Lei Sun , Qiang Huo

Motivation: Disease diagnosis oriented dialogue system models the interactive consultation procedure as Markov Decision Process and reinforcement learning algorithms are used to solve the problem. Existing approaches usually employ a flat…

人工智能 · 计算机科学 2023-11-08 Cheng Zhong , Kangenbei Liao , Wei Chen , Qianlong Liu , Baolin Peng , Xuanjing Huang , Jiajie Peng , Zhongyu Wei

We introduce WordScape, a novel pipeline for the creation of cross-disciplinary, multilingual corpora comprising millions of pages with annotations for document layout detection. Relating visual and textual items on document pages has…

Large Language Models (LLMs) have demonstrated remarkable progress in instruction following and general-purpose reasoning. However, achieving high-quality alignment with human intent and safety norms without human annotations remains a…

人工智能 · 计算机科学 2025-07-24 Haoran Sun , Zekun Zhang , Shaoning Zeng

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…

计算与语言 · 计算机科学 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

Multimodal Sentiment Analysis (MSA) is an important research area that aims to understand and recognize human sentiment through multiple modalities. The complementary information provided by multimodal fusion promotes better sentiment…

Existing scientific document retrieval (SDR) methods primarily rely on document-centric representations learned from inter-document relationships for document-document (doc-doc) retrieval. However, the rise of LLMs and RAG has shifted SDR…

信息检索 · 计算机科学 2026-03-02 Zheng Dou , Zhao Zhang , Deqing Wang , Yikun Ban , Fuzhen Zhuang

We introduce LongDA, a data analysis benchmark for evaluating LLM-based agents under documentation-intensive analytical workflows. In contrast to existing benchmarks that assume well-specified schemas and inputs, LongDA targets real-world…

数字图书馆 · 计算机科学 2026-01-13 Yiyang Li , Zheyuan Zhang , Tianyi Ma , Zehong Wang , Keerthiram Murugesan , Chuxu Zhang , Yanfang Ye

Accurate clinical prognosis requires synthesizing structured Electronic Health Records (EHRs) with real-time physiological signals like the Electrocardiogram (ECG). Large Language Models (LLMs) offer a powerful reasoning engine for this…

机器学习 · 计算机科学 2026-01-27 Jialu Tang , Tong Xia , Yuan Lu , Aaqib Saeed

Tabular data in digital documents is widely used to express compact and important information for readers. However, it is challenging to parse tables from unstructured digital documents, such as PDFs and images, into machine-readable format…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Document-based Visual Question Answering examines the document understanding of document images in conditions of natural language questions. We proposed a new document-based VQA dataset, PDF-VQA, to comprehensively examine the document…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Yihao Ding , Siwen Luo , Hyunsuk Chung , Soyeon Caren Han

Retrieving relevant documents from a corpus is typically based on the semantic similarity between the document content and query text. The inclusion of structural relationship between documents can benefit the retrieval mechanism by…

信息检索 · 计算机科学 2022-04-05 Natraj Raman , Sameena Shah , Manuela Veloso

The focus of this paper is on the evaluation of sixteen labeling methods for hierarchical document clusters over five datasets. All of the methods are independent from clustering algorithms, applied subsequently to the dendrogram…

信息检索 · 计算机科学 2018-05-28 Maria Fernanda Moura , Fabiano Fernandes dos Santos , Solange Oliveira Rezende

Multi-task learning (MTL) is a supervised learning paradigm in which the prediction models for several related tasks are learned jointly to achieve better generalization performance. When there are only a few training examples per task, MTL…

机器学习 · 计算机科学 2017-06-07 Azad Naik , Anveshi Charuvaka , Huzefa Rangwala