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Retrieval-Augmented Generation (RAG) systems have recently shown remarkable advancements by integrating retrieval mechanisms into language models, enhancing their ability to produce more accurate and contextually relevant responses.…

Computation and Language · Computer Science 2025-01-14 Siran Li , Linus Stenzel , Carsten Eickhoff , Seyed Ali Bahrainian

We introduce Rank1, the first reranking model trained to take advantage of test-time compute. Rank1 demonstrates the applicability within retrieval of using a reasoning language model (i.e. OpenAI's o1, Deepseek's R1, etc.) for distillation…

Information Retrieval · Computer Science 2025-08-11 Orion Weller , Kathryn Ricci , Eugene Yang , Andrew Yates , Dawn Lawrie , Benjamin Van Durme

Reranking, the process of refining the output of a first-stage retriever, is often considered computationally expensive, especially with Large Language Models. Borrowing from recent advances in document compression for RAG, we reduce the…

Information Retrieval · Computer Science 2025-05-22 Hervé Déjean , Stéphane Clinchant

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

Recent advancements in Retrieval-Augmented Generation (RAG) have enabled Large Language Models to answer financial questions using external knowledge bases of U.S. SEC filings, earnings reports, and regulatory documents. However, existing…

Text retrieval plays a crucial role in incorporating factual knowledge for decision making into language processing pipelines, ranging from chat-based web search to question answering systems. Current state-of-the-art text retrieval models…

Computation and Language · Computer Science 2024-11-26 Ge Gao , Jonathan D. Chang , Claire Cardie , Kianté Brantley , Thorsten Joachim

Large Language Models (LLMs) have shown strong capabilities in document re-ranking, a key component in modern Information Retrieval (IR) systems. However, existing LLM-based approaches face notable limitations, including ranking…

Information Retrieval · Computer Science 2025-10-03 Pinhuan Wang , Zhiqiu Xia , Chunhua Liao , Feiyi Wang , Hang Liu

As Large Language Models (LLMs) increasingly address domain-specific problems, their application in the financial sector has expanded rapidly. Tasks that are both highly valuable and time-consuming, such as analyzing financial statements,…

Computation and Language · Computer Science 2024-11-28 Joohyun Lee , Minji Roh

The choice of embedding model is a crucial step in the design of Retrieval Augmented Generation (RAG) systems. Given the sheer volume of available options, identifying clusters of similar models streamlines this model selection process.…

Information Retrieval · Computer Science 2024-07-12 Laura Caspari , Kanishka Ghosh Dastidar , Saber Zerhoudi , Jelena Mitrovic , Michael Granitzer

The integration of Large Language Models (LLMs) into the public health policy sector offers a transformative approach to navigating the vast repositories of regulatory guidance maintained by agencies such as the Centers for Disease Control…

Computation and Language · Computer Science 2026-01-23 Anuj Maharjan , Umesh Yadav

Retrieval-Augmented Generation (RAG) struggles on long, structured financial filings where relevant evidence is sparse and cross-referenced. This paper presents a systematic investigation of advanced metadata-driven Retrieval-Augmented…

Information Retrieval · Computer Science 2025-10-29 Michail Dadopoulos , Anestis Ladas , Stratos Moschidis , Ioannis Negkakis

Retrieve-and-rerank is a popular retrieval pipeline because of its ability to make slow but effective rerankers efficient enough at query time by reducing the number of comparisons. Recent works in neural rerankers take advantage of large…

Information Retrieval · Computer Science 2025-05-21 Eugene Yang , Andrew Yates , Kathryn Ricci , Orion Weller , Vivek Chari , Benjamin Van Durme , Dawn Lawrie

A Comparison of Independent and Joint Fine-tuning Strategies for Retrieval-Augmented Generation Download PDF Neal Gregory Lawton, Alfy Samuel, Anoop Kumar, Daben Liu Published: 20 Aug 2025, Retrieval augmented generation (RAG) is a popular…

Computation and Language · Computer Science 2025-10-21 Neal Gregory Lawton , Alfy Samuel , Anoop Kumar , Daben Liu

Pre-trained deep language models~(LM) have advanced the state-of-the-art of text retrieval. Rerankers fine-tuned from deep LM estimates candidate relevance based on rich contextualized matching signals. Meanwhile, deep LMs can also be…

Information Retrieval · Computer Science 2021-01-22 Luyu Gao , Zhuyun Dai , Jamie Callan

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

In knowledge-intensive tasks such as open-domain question answering (OpenQA), large language models (LLMs) often struggle to generate factual answers, relying solely on their internal (parametric) knowledge. To address this limitation,…

Computation and Language · Computer Science 2025-04-29 Jinming Nian , Zhiyuan Peng , Qifan Wang , Yi Fang

In this paper, we introduce Rank-R1, a novel LLM-based reranker that performs reasoning over both the user query and candidate documents before performing the ranking task. Existing document reranking methods based on large language models…

Information Retrieval · Computer Science 2025-03-11 Shengyao Zhuang , Xueguang Ma , Bevan Koopman , Jimmy Lin , Guido Zuccon

The rapid expansion of space activities has led to an unprecedented accumulation of technical documentation, operational guidelines, and scientific literature, creating challenges for timely decision-making in space operations. Effective…

Information Retrieval · Computer Science 2026-05-28 Ruben Belo , Marta Guimarães , Cláudia Soares

Modern retrieval pipelines increasingly serve downstream consumers like retrieval-augmented generation (RAG) and autonomous agents that need more than a scalar relevance score. A reranker that only tells the caller "how relevant" forces the…

Information Retrieval · Computer Science 2026-04-28 Dun Zhang

Ranking models lie at the heart of research on information retrieval (IR). During the past decades, different techniques have been proposed for constructing ranking models, from traditional heuristic methods, probabilistic methods, to…

Information Retrieval · Computer Science 2019-06-28 Jiafeng Guo , Yixing Fan , Liang Pang , Liu Yang , Qingyao Ai , Hamed Zamani , Chen Wu , W. Bruce Croft , Xueqi Cheng