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Yes, repurposing multiple-choice question-answering (MCQA) models for document reranking is both feasible and valuable. This preliminary work is founded on mathematical parallels between MCQA decision-making and cross-encoder semantic…

Information Retrieval · Computer Science 2025-04-10 Jasper Kyle Catapang

The paradigm of retrieval-augmented generated (RAG) helps mitigate hallucinations of large language models (LLMs). However, RAG also introduces biases contained within the retrieved documents. These biases can be amplified in scenarios…

Computation and Language · Computer Science 2025-06-24 Bryan Li , Fiona Luo , Samar Haider , Adwait Agashe , Tammy Li , Runqi Liu , Muqing Miao , Shriya Ramakrishnan , Yuan Yuan , Chris Callison-Burch

We introduce AccurateRAG -- a novel framework for constructing high-performance question-answering applications based on retrieval-augmented generation (RAG). Our framework offers a pipeline for development efficiency with tools for raw…

Computation and Language · Computer Science 2026-03-04 Linh The Nguyen , Chi Tran , Dung Ngoc Nguyen , Van-Cuong Pham , Hoang Ngo , Dat Quoc Nguyen

Retrieval-augmented generation have become central in natural language processing due to their efficacy in generating factual content. While traditional methods employ single-time retrieval, more recent approaches have shifted towards…

Computation and Language · Computer Science 2024-02-20 Yujia Zhou , Zheng Liu , Jiajie Jin , Jian-Yun Nie , Zhicheng Dou

Current Retrieval-Augmented Generation (RAG) systems primarily operate on unimodal textual data, limiting their effectiveness on unstructured multimodal documents. Such documents often combine text, images, tables, equations, and graphs,…

Machine Learning · Computer Science 2025-10-17 Rashmi R , Vidyadhar Upadhya

Retrieval-Augmented Generation (RAG) grounds large language models in external evidence, yet it still falters when answers must be pieced together across semantically distant documents. We close this gap with the Hierarchical Lexical Graph…

Industrial advertising question answering (QA) is a high-stakes task in which hallucinated content, particularly fabricated URLs, can lead to financial loss, compliance violations, and legal risk. Although Retrieval-Augmented Generation…

Computation and Language · Computer Science 2026-02-27 Wenwei Li , Ming Xu , Tianle Xia , Lingxiang Hu , Yiding Sun , Linfang Shang , Liqun Liu , Peng Shu , Huan Yu , Jie Jiang

Recent advancements in retrieval-augmented generation (RAG) have significantly enhanced the ability of large language models (LLMs) to perform complex question-answering (QA) tasks. In this paper, we introduce MedBioRAG, a…

Computation and Language · Computer Science 2025-12-15 Seonok Kim

Extraction and interpretation of intricate information from unstructured text data arising in financial applications, such as earnings call transcripts, present substantial challenges to large language models (LLMs) even using the current…

Computation and Language · Computer Science 2024-08-12 Bhaskarjit Sarmah , Benika Hall , Rohan Rao , Sunil Patel , Stefano Pasquali , Dhagash Mehta

This work presents a novel architecture for building Retrieval-Augmented Generation (RAG) systems to improve Question Answering (QA) tasks from a target corpus. Large Language Models (LLMs) have revolutionized the analyzing and generation…

Computation and Language · Computer Science 2025-01-09 Binita Saha , Utsha Saha , Muhammad Zubair Malik

Recent advancements in Large Language Models and Retrieval-Augmented Generation have boosted interest in domain-specific question-answering for enterprise products. However, AI Assistants often face challenges in multi-product QA settings,…

Computation and Language · Computer Science 2025-01-28 Parshin Shojaee , Sai Sree Harsha , Dan Luo , Akash Maharaj , Tong Yu , Yunyao Li

Retrieval Augmented Generation (RAG) has become prevalent in question-answering (QA) tasks due to its ability of utilizing search engine to enhance the quality of long-form question-answering (LFQA). Despite the emergence of various open…

Computation and Language · Computer Science 2024-07-02 Tianchi Cai , Zhiwen Tan , Xierui Song , Tao Sun , Jiyan Jiang , Yunqi Xu , Yinger Zhang , Jinjie Gu

Multi-entity question answering (MEQA) poses significant challenges for large language models (LLMs), which often struggle to consolidate scattered information across multiple documents. An example question might be "What is the…

Computation and Language · Computer Science 2025-03-07 Teng Lin , Yizhang Zhu , Yuyu Luo , Nan Tang

Retrieval-Augmented Generation (RAG) has been proposed to mitigate hallucinations in large language models (LLMs), where generated outputs may be factually incorrect. However, existing RAG approaches predominantly rely on vector similarity…

Information Retrieval · Computer Science 2026-04-28 Miao Xie , Xiao Zhang , Yi Li , Chunli Lv

Document Question Answering (DocQA) is a very common task. Existing methods using Large Language Models (LLMs) or Large Vision Language Models (LVLMs) and Retrieval Augmented Generation (RAG) often prioritize information from a single…

Machine Learning · Computer Science 2025-03-19 Siwei Han , Peng Xia , Ruiyi Zhang , Tong Sun , Yun Li , Hongtu Zhu , Huaxiu Yao

Retrieval-augmented generation (RAG) methods are viable solutions for addressing the static memory limits of pre-trained language models. Nevertheless, encountering conflicting sources of information within the retrieval context is an…

Computation and Language · Computer Science 2025-06-05 Quang Hieu Pham , Hoang Ngo , Anh Tuan Luu , Dat Quoc Nguyen

Incorporating external knowledge bases in traditional retrieval-augmented generation (RAG) relies on parsing the document, followed by querying a language model with the parsed information via in-context learning. While effective for…

Computation and Language · Computer Science 2026-02-03 Jacob Si , Mike Qu , Michelle Lee , Marek Rei , Yingzhen Li

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework to improve factuality in large language models (LLMs) by grounding their outputs in retrieved documents. However, ensuring perfect retrieval of relevant information…

Computation and Language · Computer Science 2025-12-04 Zhan Peng Lee , Andre Lin , Calvin Tan

Language models (LMs) are known to suffer from hallucinations and misinformation. Retrieval augmented generation (RAG) that retrieves verifiable information from an external knowledge corpus to complement the parametric knowledge in LMs…

Computation and Language · Computer Science 2024-10-14 Zhuohang Li , Jiaxin Zhang , Chao Yan , Kamalika Das , Sricharan Kumar , Murat Kantarcioglu , Bradley A. Malin

Retrieval-augmented generation (RAG) improves large language models (LLMs) by using external knowledge to guide response generation, reducing hallucinations. However, RAG, particularly multi-modal RAG, can introduce new hallucination…

Machine Learning · Computer Science 2025-01-08 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus