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The technology of automatic document summarization is maturing and may provide a solution to the information overload problem. Nowadays, document summarization plays an important role in information retrieval. With a large volume of…

Information Retrieval · Computer Science 2012-04-10 Mohsen Pourvali , Mohammad Saniee Abadeh

Instead of relying on human-annotated training samples to build a classifier, weakly supervised scientific paper classification aims to classify papers only using category descriptions (e.g., category names, category-indicative keywords).…

Computation and Language · Computer Science 2023-10-24 Yu Zhang , Bowen Jin , Xiusi Chen , Yanzhen Shen , Yunyi Zhang , Yu Meng , Jiawei Han

Document understanding and information extraction include different tasks to understand a document and extract valuable information automatically. Recently, there has been a rising demand for developing document understanding among…

Information Retrieval · Computer Science 2023-08-01 Soyeon Caren Han , Yihao Ding , Siwen Luo , Josiah Poon , HeeGuen Yoon , Zhe Huang , Paul Duuring , Eun Jung Holden

Sparse approximations using highly over-complete dictionaries is a state-of-the-art tool for many imaging applications including denoising, super-resolution, compressive sensing, light-field analysis, and object recognition. Unfortunately,…

Computer Vision and Pattern Recognition · Computer Science 2014-12-03 Ali Ayremlou , Thomas Goldstein , Ashok Veeraraghavan , Richard Baraniuk

Extracting structured information from unstructured text is critical for many downstream NLP applications and is traditionally achieved by closed information extraction (cIE). However, existing approaches for cIE suffer from two…

Computation and Language · Computer Science 2024-04-22 Nacime Bouziani , Shubhi Tyagi , Joseph Fisher , Jens Lehmann , Andrea Pierleoni

Text classification algorithms investigate the intricate relationships between words or phrases and attempt to deduce the document's interpretation. In the last few years, these algorithms have progressed tremendously. Transformer…

Computation and Language · Computer Science 2022-06-28 Snehal Khandve , Vedangi Wagh , Apurva Wani , Isha Joshi , Raviraj Joshi

Human parsing aims to partition humans in image or video into multiple pixel-level semantic parts. In the last decade, it has gained significantly increased interest in the computer vision community and has been utilized in a broad range of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Lu Yang , Wenhe Jia , Shan Li , Qing Song

This paper introduces a deep learning model tailored for document information analysis, emphasizing document classification, entity relation extraction, and document visual question answering. The proposed model leverages transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Tofik Ali , Partha Pratim Roy

Document collections of various domains, e.g., legal, medical, or financial, often share some underlying collection-wide structure, which captures information that can aid both human users and structure-aware models. We propose to identify…

Computation and Language · Computer Science 2025-08-27 Gili Lior , Yoav Goldberg , Gabriel Stanovsky

Document understanding in real-world applications often requires processing heterogeneous, multi-page document packets containing multiple documents stitched together. Despite recent advances in visual document understanding, the…

Document retrieval is one of the most challenging tasks in Information Retrieval. It requires handling longer contexts, often resulting in higher query latency and increased computational overhead. Recently, Learned Sparse Retrieval (LSR)…

Information Retrieval · Computer Science 2025-04-09 Emmanouil Georgios Lionis , Jia-Huei Ju

Comprehending long visual documents, where information is distributed across extensive pages of text and visual elements, is a critical but challenging task for modern Vision-Language Models (VLMs). Existing approaches falter on a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Dawei Zhu , Rui Meng , Jiefeng Chen , Sujian Li , Tomas Pfister , Jinsung Yoon

Document coherence describes how much sense text makes in terms of its logical organisation and discourse flow. Even though coherence is a relatively difficult notion to quantify precisely, it can be approximated automatically. This type of…

Information Retrieval · Computer Science 2016-08-03 Christina Lioma , Fabien Tarissan , Jakob Grue Simonsen , Casper Petersen , Birger Larsen

Harnessing the full potential of visually-rich documents requires retrieval systems that understand not just text, but intricate layouts, a core challenge in Visual Document Retrieval (VDR). The prevailing multi-vector architectures, while…

Computation and Language · Computer Science 2026-03-03 Yibo Yan , Mingdong Ou , Yi Cao , Xin Zou , Shuliang Liu , Jiahao Huo , Yu Huang , James Kwok , Xuming Hu

Generative retrieval employs sequence models for conditional generation of document IDs based on a query (DSI (Tay et al., 2022); NCI (Wang et al., 2022); inter alia). While this has led to improved performance in zero-shot retrieval, it is…

Information Retrieval · Computer Science 2025-02-27 Tongfei Chen , Ankita Sharma , Adam Pauls , Benjamin Van Durme

The exponential growth of scientific literature in PDF format necessitates advanced tools for efficient and accurate document understanding, summarization, and content optimization. Traditional methods fall short in handling complex layouts…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Kun Qian , Wenjie Li , Tianyu Sun , Wenhong Wang , Wenhan Luo

PDF documents contain critical visual elements such as figures, tables, and forms whose accurate extraction is essential for document understanding and multimodal retrieval-augmented generation (RAG). Existing PDF parsers often miss complex…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Meizhu Liu , Yassi Abbasi , Matthew Rowe , Michael Avendi , Paul Li

Document clustering is an unsupervised approach in which a large collection of documents (corpus) is subdivided into smaller, meaningful, identifiable, and verifiable sub-groups (clusters). Meaningful representation of documents and…

Information Retrieval · Computer Science 2014-12-08 Muhammad Rafi , Farnaz Amin , Mohammad Shahid Shaikh

This paper introduces an elemental building block which combines Dictionary Learning and Dimension Reduction (DRDL). We show how this foundational element can be used to iteratively construct a Hierarchical Sparse Representation (HSR) of a…

Machine Learning · Computer Science 2011-06-03 Mohamad Tarifi , Meera Sitharam , Jeffery Ho

Encoding long sequences in Natural Language Processing (NLP) is a challenging problem. Though recent pretraining language models achieve satisfying performances in many NLP tasks, they are still restricted by a pre-defined maximum length,…

Computation and Language · Computer Science 2023-05-16 Irene Li , Aosong Feng , Dragomir Radev , Rex Ying