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One of the most crucial challenges in question answering (QA) is the scarcity of labeled data, since it is costly to obtain question-answer (QA) pairs for a target text domain with human annotation. An alternative approach to tackle the…

Computation and Language · Computer Science 2020-06-16 Dong Bok Lee , Seanie Lee , Woo Tae Jeong , Donghwan Kim , Sung Ju Hwang

Document Visual Question Answering (Document VQA) must cope with documents that span dozens of pages, yet leading systems still concatenate every page or rely on very large vision-language models, both of which are memory-hungry.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Eric López , Artemis Llabrés , Ernest Valveny

Legal case retrieval plays an important role for legal practitioners to effectively retrieve relevant cases given a query case. Most existing neural legal case retrieval models directly encode the whole legal text of a case to generate a…

Information Retrieval · Computer Science 2023-09-07 Yanran Tang , Ruihong Qiu , Xue Li

Documents are 2-dimensional carriers of written communication, and as such their interpretation requires a multi-modal approach where textual and visual information are efficiently combined. Document Visual Question Answering (Document…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Lei Kang , Rubèn Tito , Ernest Valveny , Dimosthenis Karatzas

High-quality code documentation is crucial for software development especially in the era of AI. However, generating it automatically using Large Language Models (LLMs) remains challenging, as existing approaches often produce incomplete,…

Software Engineering · Computer Science 2025-05-27 Dayu Yang , Antoine Simoulin , Xin Qian , Xiaoyi Liu , Yuwei Cao , Zhaopu Teng , Grey Yang

Despite significant progress in multimodal large language models (MLLMs), their performance on complex, multi-page document comprehension remains inadequate, largely due to the lack of high-quality, document-level datasets. While current…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Yuchen Duan , Zhe Chen , Yusong Hu , Weiyun Wang , Shenglong Ye , Botian Shi , Lewei Lu , Qibin Hou , Tong Lu , Hongsheng Li , Jifeng Dai , Wenhai Wang

Code generation aims to automatically generate code snippets of specific programming language according to natural language descriptions. The continuous advancements in deep learning, particularly pre-trained models, have empowered the code…

Software Engineering · Computer Science 2025-01-24 Zezhou Yang , Sirong Chen , Cuiyun Gao , Zhenhao Li , Xing Hu , Kui Liu , Xin Xia

Automated code completion, aiming at generating subsequent tokens from unfinished code, has been significantly benefited from recent progress in pre-trained Large Language Models (LLMs). However, these models often suffer from coherence…

Software Engineering · Computer Science 2024-05-14 Hanzhuo Tan , Qi Luo , Ling Jiang , Zizheng Zhan , Jing Li , Haotian Zhang , Yuqun Zhang

The ability to understand and answer questions over documents can be useful in many business and practical applications. However, documents often contain lengthy and diverse multimodal contents such as texts, figures, and tables, which are…

Computation and Language · Computer Science 2024-11-12 Yew Ken Chia , Liying Cheng , Hou Pong Chan , Chaoqun Liu , Maojia Song , Sharifah Mahani Aljunied , Soujanya Poria , Lidong Bing

Multimodal encoders have pushed the boundaries of visual document retrieval, matching textual query tokens directly to image patches and achieving state-of-the-art performance on public benchmarks. Recent models relying on this paradigm…

Computation and Language · Computer Science 2026-04-08 Omri Uzan , Asaf Yehudai , Roi pony , Eyal Shnarch , Ariel Gera

Retrieved documents containing noise will hinder RAG from detecting answer clues and make the inference process slow and expensive. Therefore, context compression is necessary to enhance its accuracy and efficiency. Existing context…

Computation and Language · Computer Science 2026-04-28 Qianchi Zhang , Hainan Zhang , Liang Pang , Hongwei Zheng , Zhiming Zheng

Recently, large language models (LLMs) and multimodal large language models (MLLMs) have demonstrated promising results on document visual question answering (VQA) task, particularly after training on document instruction datasets. An…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yufan Shen , Chuwei Luo , Zhaoqing Zhu , Yang Chen , Qi Zheng , Zhi Yu , Jiajun Bu , Cong Yao

Document visual question answering (DocVQA) pipelines that answer questions from documents have broad applications. Existing methods focus on handling single-page documents with multi-modal language models (MLMs), or rely on text-based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Jaemin Cho , Debanjan Mahata , Ozan Irsoy , Yujie He , Mohit Bansal

Information retrieval models that aim to search for documents relevant to a query have shown multiple successes, which have been applied to diverse tasks. Yet, the query from the user is oftentimes short, which challenges the retrievers to…

Computation and Language · Computer Science 2025-09-22 Soyeong Jeong , Jinheon Baek , Sukmin Cho , Sung Ju Hwang , Jong C. Park

This paper considers the reading comprehension task in which multiple documents are given as input. Prior work has shown that a pipeline of retriever, reader, and reranker can improve the overall performance. However, the pipeline system is…

Computation and Language · Computer Science 2019-06-12 Minghao Hu , Yuxing Peng , Zhen Huang , Dongsheng Li

The emerging citation-based QA systems are gaining more attention especially in generative AI search applications. The importance of extracted knowledge provided to these systems is vital from both accuracy (completeness of information) and…

Charts are very popular to analyze data and convey important insights. People often analyze visualizations to answer open-ended questions that require explanatory answers. Answering such questions are often difficult and time-consuming as…

Machine Learning · Computer Science 2022-10-14 Shankar Kantharaj , Xuan Long Do , Rixie Tiffany Ko Leong , Jia Qing Tan , Enamul Hoque , Shafiq Joty

Document Visual Question Answering (DocVQA) remains challenging for existing Vision-Language Models (VLMs), especially under complex reasoning and multi-step workflows. Current approaches struggle to decompose intricate questions into…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Aymen Lassoued , Mohamed Ali Souibgui , Yousri Kessentini

Document Visual Question Answering (DocVQA) requires models to jointly understand textual semantics, spatial layout, and visual features. Current methods struggle with explicit spatial relationship modeling, inefficiency with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Ahmad Mohammadshirazi , Pinaki Prasad Guha Neogi , Dheeraj Kulshrestha , Rajiv Ramnath

Question Answering (QA) is a longstanding challenge in natural language processing. Existing QA works mostly focus on specific question types, knowledge domains, or reasoning skills. The specialty in QA research hinders systems from…

Computation and Language · Computer Science 2022-12-12 Wanjun Zhong , Yifan Gao , Ning Ding , Yujia Qin , Zhiyuan Liu , Ming Zhou , Jiahai Wang , Jian Yin , Nan Duan