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Related papers: Local Hybrid Retrieval-Augmented Document QA

200 papers

Question answering (QA) is a critical task for speech-based retrieval from knowledge sources, by sifting only the answers without requiring to read supporting documents. Specifically, open-domain QA aims to answer user questions on…

Computation and Language · Computer Science 2023-08-09 Sang-eun Han , Yeonseok Jeong , Seung-won Hwang , Kyungjae Lee

In today's digital world, seeking answers to health questions on the Internet is a common practice. However, existing question answering (QA) systems often rely on using pre-selected and annotated evidence documents, thus making them…

Computation and Language · Computer Science 2024-04-15 Juraj Vladika , Florian Matthes

Regulatory texts are inherently long and complex, presenting significant challenges for information retrieval systems in supporting regulatory officers with compliance tasks. This paper introduces a hybrid information retrieval system that…

Computation and Language · Computer Science 2025-02-25 Jhon Rayo , Raul de la Rosa , Mario Garrido

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by retrieving documents from an external corpus at inference time. When this corpus contains sensitive information, however, unprotected RAG systems are at risk of…

Machine Learning · Computer Science 2025-11-12 Ruihan Wu , Erchi Wang , Zhiyuan Zhang , Yu-Xiang Wang

We present a unified dataset for document Question-Answering (QA), which is obtained combining several public datasets related to Document AI and visually rich document understanding (VRDU). Our main contribution is twofold: on the one hand…

Computation and Language · Computer Science 2025-12-12 Simone Giovannini , Fabio Coppini , Andrea Gemelli , Simone Marinai

This paper presents an advancement in Question-Answering (QA) systems using a Retrieval Augmented Generation (RAG) framework to enhance information extraction from PDF files. Recognizing the richness and diversity of data within…

Computation and Language · Computer Science 2026-04-08 Thi Thu Uyen Hoang , Meenakshi Rajendran , Kun Zhang , Yuhan Wu , Viet Anh Nguyen

Existing Retrieval-Augmented Generation (RAG) systems face challenges in enterprise settings due to limited retrieval scope and data security risks. When relevant internal documents are unavailable, the system struggles to generate accurate…

Computation and Language · Computer Science 2025-07-18 Grace Byun , Shinsun Lee , Nayoung Choi , Jinho D. Choi

Question Answering (QA) systems provide easy access to the vast amount of knowledge without having to know the underlying complex structure of the knowledge. The research community has provided ad hoc solutions to the key QA tasks,…

Computation and Language · Computer Science 2019-06-11 Somayeh Asadifar , Mohsen Kahani , Saeedeh Shekarpour

Researchers produce thousands of scholarly documents containing valuable technical knowledge. The community faces the laborious task of reading these documents to identify, extract, and synthesize information. To automate information…

Computation and Language · Computer Science 2023-12-13 Tavish McDonald , Brian Tsan , Amar Saini , Juanita Ordonez , Luis Gutierrez , Phan Nguyen , Blake Mason , Brenda Ng

Domain specific question answering is an evolving field that requires specialized solutions to address unique challenges. In this paper, we show that a hybrid approach combining a fine-tuned dense retriever with keyword based sparse search…

The rapid development of large language models (LLMs) is redefining the landscape of human-computer interaction, and their integration into various user-service applications is becoming increasingly prevalent. However, transmitting user…

Computation and Language · Computer Science 2025-02-20 Guangwei Li , Yuansen Zhang , Yinggui Wang , Shoumeng Yan , Lei Wang , Tao Wei

This study presents a modular, multi-agent system for the automated review of highly structured enterprise business documents using AI agents. Unlike prior solutions focused on unstructured texts or limited compliance checks, this framework…

Computation and Language · Computer Science 2025-07-01 Sudip Dasgupta , Himanshu Shankar

As artificial intelligence permeates judicial forensics, ensuring the veracity and traceability of legal question answering (QA) has become critical. Conventional large language models (LLMs) are prone to hallucination, risking misleading…

Artificial Intelligence · Computer Science 2025-11-18 Yueqing Xi , Yifan Bai , Huasen Luo , Weiliang Wen , Hui Liu , Haoliang Li

Current methods in open-domain question answering (QA) usually employ a pipeline of first retrieving relevant documents, then applying strong reading comprehension (RC) models to that retrieved text. However, modern RC models are complex…

Computation and Language · Computer Science 2020-09-22 Shih-Ting Lin , Greg Durrett

We propose a methodology that combines several advanced techniques in Large Language Model (LLM) retrieval to support the development of robust, multi-source question-answer systems. This methodology is designed to integrate information…

Artificial Intelligence · Computer Science 2024-12-25 Antony Seabra , Claudio Cavalcante , Joao Nepomuceno , Lucas Lago , Nicolaas Ruberg , Sergio Lifschitz

The utilization of conversational AI systems by leveraging Retrieval Augmented Generation (RAG) techniques to solve customer problems has been on the rise with the rapid progress of Large Language Models (LLMs). However, the absence of a…

Computation and Language · Computer Science 2025-10-10 Md Tahmid Rahman Laskar , Julien Bouvier Tremblay , Xue-Yong Fu , Cheng Chen , Shashi Bhushan TN

This study presents a novel framework for smart search in digital archival systems, leveraging the capabilities of Large Language Models (LLMs) to enhance information retrieval. By employing a Retrieval-Augmented Generation (RAG) approach,…

Artificial Intelligence · Computer Science 2025-01-14 Ha Dung Nguyen , Thi-Hoang Anh Nguyen , Thanh Binh Nguyen

This work addresses the problem of Question Answering (QA) on handwritten document collections. Unlike typical QA and Visual Question Answering (VQA) formulations where the answer is a short text, we aim to locate a document snippet where…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Minesh Mathew , Lluis Gomez , Dimosthenis Karatzas , CV Jawahar

Question answering (QA) has become an important application in the advanced development of large language models. General pre-trained large language models for question-answering are not trained to properly understand the knowledge or…

Computation and Language · Computer Science 2024-05-30 Sanat Sharma , David Seunghyun Yoon , Franck Dernoncourt , Dewang Sultania , Karishma Bagga , Mengjiao Zhang , Trung Bui , Varun Kotte

Retrieval-augmented generation (RAG) has rapidly advanced the language model field, particularly in question-answering (QA) systems. By integrating external documents during the response generation phase, RAG significantly enhances the…

Computation and Language · Computer Science 2024-09-25 Xinyue Chen , Pengyu Gao , Jiangjiang Song , Xiaoyang Tan