中文
相关论文

相关论文: Cross-RAG: Zero-Shot Retrieval-Augmented Time Seri…

200 篇论文

Retrieval-Augmented Generation (RAG) has emerged as a reliable external knowledge augmentation technique to mitigate hallucination issues and parameterized knowledge limitations in Large Language Models (LLMs). Existing adaptive RAG (ARAG)…

计算与语言 · 计算机科学 2025-04-08 Qingfei Zhao , Ruobing Wang , Yukuo Cen , Daren Zha , Shicheng Tan , Jie Tang

Multivariate time series forecasting often struggles to capture long-range dependencies due to fixed lookback windows. Retrieval-augmented forecasting addresses this by retrieving historical segments from memory, but existing approaches…

机器学习 · 计算机科学 2026-04-08 Junhyeok Kang , Jun Seo , Soyeon Park , Sangjun Han , Seohui Bae , Hyeokjun Choe , Soonyoung Lee

Most existing algorithms for cross-modal Information Retrieval are based on a supervised train-test setup, where a model learns to align the mode of the query (e.g., text) to the mode of the documents (e.g., images) from a given training…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Anurag Roy , Vinay Kumar Verma , Kripabandhu Ghosh , Saptarshi Ghosh

Time series modeling is crucial for many applications, however, it faces challenges such as complex spatio-temporal dependencies and distribution shifts in learning from historical context to predict task-specific outcomes. To address these…

人工智能 · 计算机科学 2024-08-28 Chidaksh Ravuru , Sagar Srinivas Sakhinana , Venkataramana Runkana

Time series anomaly detection (TSAD) is a critical task, but developing models that generalize to unseen data in a zero-shot manner remains a major challenge. Prevailing foundation models for TSAD predominantly rely on reconstruction-based…

机器学习 · 计算机科学 2026-05-29 Tian Lan , Hao Duong Le , Jinbo Li , Wenjun He , Meng Wang , Chenghao Liu , Chen Zhang

With the rapid advancement of large language models (LLMs), retrieval-augmented generation (RAG) has emerged as a critical approach to supplement the inherent knowledge limitations of LLMs. However, due to the typically large volume of…

计算与语言 · 计算机科学 2025-11-11 Yuhao Wang , Ruiyang Ren , Yucheng Wang , Jing Liu , Wayne Xin Zhao , Hua Wu , Haifeng Wang

While time series diffusion models have received considerable focus from many recent works, the performance of existing models remains highly unstable. Factors limiting time series diffusion models include insufficient time series datasets…

机器学习 · 计算机科学 2024-10-25 Jingwei Liu , Ling Yang , Hongyan Li , Shenda Hong

In-context learning, the ability of large language models to perform tasks using only examples provided in the prompt, has recently been adapted for time series forecasting. This paradigm enables zero-shot prediction, where past values…

机器学习 · 计算机科学 2025-11-04 Andreas Auer , Patrick Podest , Daniel Klotz , Sebastian Böck , Günter Klambauer , Sepp Hochreiter

Financial time series forecasting is central to trading, portfolio optimization, and risk management, yet it remains challenging due to noisy, non-stationary, and heterogeneous data. Recent advances in time series foundation models (TSFMs),…

计算金融 · 定量金融 2025-11-25 Eghbal Rahimikia , Hao Ni , Weiguan Wang

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.…

计算与语言 · 计算机科学 2025-01-14 Siran Li , Linus Stenzel , Carsten Eickhoff , Seyed Ali Bahrainian

Understanding temporal relations and answering time-sensitive questions is crucial yet a challenging task for question-answering systems powered by large language models (LLMs). Existing approaches either update the parametric knowledge of…

计算与语言 · 计算机科学 2025-05-22 Zhang Siyue , Xue Yuxiang , Zhang Yiming , Wu Xiaobao , Luu Anh Tuan , Zhao Chen

Retrieval-augmented generation (RAG) enhances large language models by incorporating context retrieved from external knowledge sources. While the effectiveness of the retrieval module is typically evaluated with relevance-based ranking…

信息检索 · 计算机科学 2026-01-13 Jia-Huei Ju , Suzan Verberne , Maarten de Rijke , Andrew Yates

This study investigates zero-shot forecasting capabilities of Time Series Foundation Models (TSFMs) for macroeconomic indicators. We apply TSFMs to forecasting economic indicators under univariate conditions, bypassing the need for train…

机器学习 · 计算机科学 2025-11-05 Jittarin Jetwiriyanon , Teo Susnjak , Surangika Ranathunga

Retrieval-augmented generation (RAG) has become a cornerstone of contemporary NLP, enhancing large language models (LLMs) by allowing them to access richer factual contexts through in-context retrieval. While effective in monolingual…

计算与语言 · 计算机科学 2026-03-31 Leonardo Ranaldi , Barry Haddow , Alexandra Birch

Retrieval-augmented generation (RAG) systems rely on retrieval models for identifying relevant contexts and answer generation models for utilizing those contexts. However, retrievers exhibit imperfect recall and precision, limiting…

计算与语言 · 计算机科学 2026-04-29 Jerry Huang , Siddarth Madala , Risham Sidhu , Cheng Niu , Hao Peng , Julia Hockenmaier , Tong Zhang

We propose a new, training-free method, Graph Reasoning via Retrieval Augmented Framework (GRRAF), that harnesses retrieval-augmented generation (RAG) alongside the code-generation capabilities of large language models (LLMs) to address a…

人工智能 · 计算机科学 2025-09-17 Hanqing Li , Kiran Sheena Jyothi , Henry Liang , Sharika Mahadevan , Diego Klabjan

Retrieval-Augmented Generation (RAG) has emerged as the predominant paradigm for grounding Large Language Model outputs in factual knowledge, effectively mitigating hallucinations. However, conventional RAG systems operate under a…

信息检索 · 计算机科学 2026-01-13 Sergii Voloshyn

In this paper, we introduce Reward-RAG, a novel approach designed to enhance the Retrieval-Augmented Generation (RAG) model through Reward-Driven Supervision. Unlike previous RAG methodologies, which focus on training language models (LMs)…

计算与语言 · 计算机科学 2024-10-08 Thang Nguyen , Peter Chin , Yu-Wing Tai

Retrieval-Augmented Generation (RAG) is an effective approach to enhance the factual accuracy of large language models (LLMs) by retrieving information from external databases, which are typically composed of diverse sources, to supplement…

机器学习 · 计算机科学 2025-10-15 Jeongyeon Hwang , Junyoung Park , Hyejin Park , Dongwoo Kim , Sangdon Park , Jungseul Ok

Forecasting anomalies (anomaly prediction) in multivariate time series from different real-world, dynamic, and complex systems is vital for preempting critical failures, leading to a substantial minimization in operational costs and human…