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Related papers: S2Doc -- Spatial-Semantic Document Format

200 papers

Many recent document embedding models are trained on document-as-image representations, embedding rendered pages as images rather than the underlying source. Meanwhile, existing benchmarks for scientific document retrieval, such as ArXivQA…

Information Retrieval · Computer Science 2026-04-21 Ghazal Khalighinejad , Raghuveer Thirukovalluru , Alexander H. Oh , Bhuwan Dhingra

Even for a conservative estimate, 80% of enterprise data reside in unstructured files, stored in data lakes that accommodate heterogeneous formats. Classical search engines can no longer meet information seeking needs, especially when the…

Computation and Language · Computer Science 2024-06-06 Qiang Sun , Yuanyi Luo , Wenxiao Zhang , Sirui Li , Jichunyang Li , Kai Niu , Xiangrui Kong , Wei Liu

Predicates are foundational components in data analysis systems. However, modern workloads increasingly involve unstructured documents, which demands semantic understanding, beyond traditional value-based predicates. Given enormous…

Databases · Computer Science 2026-05-22 Hengrui Zhang , Yulong Hui , Yihao Liu , Huanchen Zhang

Document Visual Question Answering (DocVQA) is a practical yet challenging task, which is to ask questions based on documents while referring to multiple pages and different modalities of information, e.g, images and tables. To handle…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Chelsi Jain , Yiran Wu , Yifan Zeng , Jiale Liu , S hengyu Dai , Zhenwen Shao , Qingyun Wu , Huazheng Wang

When dealing with document similarity many methods exist today, like cosine similarity. More complex methods are also available based on the semantic analysis of textual information, which are computationally expensive and rarely used in…

Information Retrieval · Computer Science 2015-05-18 Giancarlo Crocetti

When reading a document, glancing at the spatial layout of a document is an initial step to understand it roughly. Traditional document layout analysis (DLA) methods, however, offer only a superficial parsing of documents, focusing on basic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Yufan Chen , Ruiping Liu , Junwei Zheng , Di Wen , Kunyu Peng , Jiaming Zhang , Rainer Stiefelhagen

Topic modeling is a powerful technique to discover hidden topics and patterns within a collection of documents without prior knowledge. Traditional topic modeling and clustering-based techniques encounter challenges in capturing contextual…

Computation and Language · Computer Science 2024-10-04 Melkamu Abay Mersha , Mesay Gemeda yigezu , Jugal Kalita

Multimodal learning from document data has achieved great success lately as it allows to pre-train semantically meaningful features as a prior into a learnable downstream task. In this paper, we approach the document classification problem…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Souhail Bakkali , Zuheng Ming , Mickael Coustaty , Marçal Rusiñol , Oriol Ramos Terrades

Every research project necessitates data, often requiring sharing and collaborative review within a team. However, there is a dearth of good open-source data sharing and reviewing services. Existing file-sharing services generally mandate…

Databases · Computer Science 2024-06-27 Lexington Whalen , Homayoun Valafar

Document parsing converts visually rich documents into machine-readable structured representations, forming a crucial foundation for information systems. Although many benchmarks have been proposed for document parsing, they remain…

Artificial Intelligence · Computer Science 2026-05-29 Bangbang Zhou , Hangdi Xing , Yifan Chen , Jianjun Xu , Qi Zheng , Feiyu Gao , Zhibo Yang , Shuai Bai , Ming Yan , Jieping Ye , Hongtao Xie

Document image classification is different from plain-text document classification and consists of classifying a document by understanding the content and structure of documents such as forms, emails, and other such documents. We show that…

Computation and Language · Computer Science 2023-10-26 Yoshinari Fujinuma , Siddharth Varia , Nishant Sankaran , Srikar Appalaraju , Bonan Min , Yogarshi Vyas

Word embedding maps words into a low-dimensional continuous embedding space by exploiting the local word collocation patterns in a small context window. On the other hand, topic modeling maps documents onto a low-dimensional topic space, by…

Computation and Language · Computer Science 2016-08-09 Shaohua Li , Tat-Seng Chua , Jun Zhu , Chunyan Miao

Most real-world document collections involve various types of metadata, such as author, source, and date, and yet the most commonly-used approaches to modeling text corpora ignore this information. While specialized models have been…

Machine Learning · Statistics 2018-10-25 Dallas Card , Chenhao Tan , Noah A. Smith

Understanding large, structured documents like scholarly articles, requests for proposals or business reports is a complex and difficult task. It involves discovering a document's overall purpose and subject(s), understanding the function…

Computation and Language · Computer Science 2018-07-27 Muhammad Mahbubur Rahman , Tim Finin

Learned representations of scientific documents can serve as valuable input features for downstream tasks without further fine-tuning. However, existing benchmarks for evaluating these representations fail to capture the diversity of…

Computation and Language · Computer Science 2023-11-14 Amanpreet Singh , Mike D'Arcy , Arman Cohan , Doug Downey , Sergey Feldman

Topic models are a class of unsupervised learning algorithms for detecting the semantic structure within a text corpus. Together with a subsequent dimensionality reduction algorithm, topic models can be used for deriving spatializations for…

Computation and Language · Computer Science 2023-10-26 Daniel Atzberger , Tim Cech , Willy Scheibel , Matthias Trapp , Rico Richter , Jürgen Döllner , Tobias Schreck

Legal documents are unstructured, use legal jargon, and have considerable length, making them difficult to process automatically via conventional text processing techniques. A legal document processing system would benefit substantially if…

Computation and Language · Computer Science 2022-11-08 Vijit Malik , Rishabh Sanjay , Shouvik Kumar Guha , Angshuman Hazarika , Shubham Nigam , Arnab Bhattacharya , Ashutosh Modi

Existing multimodal document question-answering (QA) systems predominantly rely on flat semantic retrieval, representing documents as a set of disconnected text chunks and largely neglecting their intrinsic hierarchical and relational…

Information Retrieval · Computer Science 2026-01-28 ShunLiang Fu , Yanxin Zhang , Yixin Xiang , Xiaoyu Du , Jinhui Tang

We investigate whether hidden states from Structured State Space Models (SSMs) can be merged post hoc to support downstream reasoning. Inspired by model souping, we study document souping, a strategy where documents are encoded…

Computation and Language · Computer Science 2026-02-02 Yasaman Jafari , Zixian Wang , Leon Bergen , Taylor Berg-Kirkpatrick

Document-to-table (Doc2Table) extraction derives structured tables from unstructured documents under a target schema, enabling reliable and verifiable SQL-based data analytics. Although large language models (LLMs) have shown promise in…

Databases · Computer Science 2026-02-18 Yuxiang Guo , Zhuoran Du , Nan Tang , Kezheng Tang , Congcong Ge , Yunjun Gao