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Related papers: Efficient Retrieval Optimized Multi-task Learning

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Large language models have recently pushed open domain question answering (ODQA) to new frontiers. However, prevailing retriever-reader pipelines often depend on multiple rounds of prompt level instructions, leading to high computational…

Computation and Language · Computer Science 2025-09-23 Zhanghao Hu , Hanqi Yan , Qinglin Zhu , Zhenyi Shen , Yulan He , Lin Gui

Recent advances in retrieval-augmented generation (RAG) have initiated a new era in repository-level code completion. However, the invariable use of retrieval in existing methods exposes issues in both efficiency and robustness, with a…

Software Engineering · Computer Science 2024-06-05 Di Wu , Wasi Uddin Ahmad , Dejiao Zhang , Murali Krishna Ramanathan , Xiaofei Ma

Retrieval-Augmented Generation (RAG), by integrating non-parametric knowledge from external knowledge bases into models, has emerged as a promising approach to enhancing response accuracy while mitigating factual errors and hallucinations.…

Information Retrieval · Computer Science 2025-09-12 Qitao Qin , Yucong Luo , Yihang Lu , Zhibo Chu , Xiaoman Liu , Xianwei Meng

Efficiently training a multi-task neural solver for various combinatorial optimization problems (COPs) has been less studied so far. Naive application of conventional multi-task learning approaches often falls short in delivering a…

Machine Learning · Computer Science 2025-05-27 Chenguang Wang , Zhang-Hua Fu , Pinyan Lu , Tianshu Yu

This study aims to improve the accuracy and quality of large-scale language models (LLMs) in answering questions by integrating Elasticsearch into the Retrieval Augmented Generation (RAG) framework. The experiment uses the Stanford Question…

Information Retrieval · Computer Science 2024-10-21 Jiajing Chen , Runyuan Bao , Hongye Zheng , Zhen Qi , Jianjun Wei , Jiacheng Hu

Retrieve-augmented generation (RAG) frameworks have emerged as a promising solution to multi-hop question answering(QA) tasks since it enables large language models (LLMs) to incorporate external knowledge and mitigate their inherent…

Computation and Language · Computer Science 2024-12-20 Xiangsen Chen , Xuming Hu , Nan Tang

As retrieval-augmented generation (RAG) becomes more widespread, the role of retrieval is shifting from retrieving information for human browsing to retrieving context for AI reasoning. This shift creates more complex search environments,…

Computation and Language · Computer Science 2026-01-05 Jiawei Zhou , Lei Chen

Recent advancements in large language models (LLMs) integrated with external tools and APIs have successfully addressed complex tasks by using in-context learning or fine-tuning. Despite this progress, the vast scale of tool retrieval…

Information Retrieval · Computer Science 2024-10-07 Yuxiang Zhang , Xin Fan , Junjie Wang , Chongxian Chen , Fan Mo , Tetsuya Sakai , Hayato Yamana

Response-free item difficulty modelling promises to reduce reliance on response-based calibration but is intrinsically difficult on reading-comprehension multiple-choice items, where difficulty depends on inferential demands across wording…

Computation and Language · Computer Science 2026-05-19 Jan Netík , Patrícia Martinková

Owing to recent advancements, Large Language Models (LLMs) can now be deployed as agents for increasingly complex decision-making applications in areas including robotics, gaming, and API integration. However, reflecting past experiences in…

Meta-reinforcement learning algorithms can enable robots to acquire new skills much more quickly, by leveraging prior experience to learn how to learn. However, much of the current research on meta-reinforcement learning focuses on task…

As deep learning models continue to increase in size, the memory requirements for training have surged. While high-level techniques like offloading, recomputation, and compression can alleviate memory pressure, they also introduce…

Machine Learning · Computer Science 2023-10-31 Huiyao Shu , Ang Wang , Ziji Shi , Hanyu Zhao , Yong Li , Lu Lu

Deep language models learning a hierarchical representation proved to be a powerful tool for natural language processing, text mining and information retrieval. However, representations that perform well for retrieval must capture semantic…

Information Retrieval · Computer Science 2019-05-24 Tolgahan Cakaloglu , Xiaowei Xu

Vision-and-language multi-modal pretraining and fine-tuning have shown great success in visual question answering (VQA). Compared to general domain VQA, the performance of biomedical VQA suffers from limited data. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Zheng Yuan , Qiao Jin , Chuanqi Tan , Zhengyun Zhao , Hongyi Yuan , Fei Huang , Songfang Huang

Suitable reduced order models (ROMs) are computationally efficient tools in characterizing key dynamical and statistical features of nature. In this paper, a systematic multiscale stochastic ROM framework is developed for complex systems…

Computational Physics · Physics 2022-03-23 Changhong Mou , Nan Chen , Traian Iliescu

Information retrieval aims to find information that meets users' needs from the corpus. Different needs correspond to different IR tasks such as document retrieval, open-domain question answering, retrieval-based dialogue, etc., while they…

Information Retrieval · Computer Science 2023-12-19 Shicheng Xu , Liang Pang , Huawei Shen , Xueqi Cheng

Existing approaches for open-domain question answering (QA) are typically designed for questions that require either single-hop or multi-hop reasoning, which make strong assumptions of the complexity of questions to be answered. Also,…

Computation and Language · Computer Science 2021-05-25 Ping Nie , Yuyu Zhang , Arun Ramamurthy , Le Song

Retrieval question answering (ReQA) is the task of retrieving a sentence-level answer to a question from an open corpus (Ahmad et al.,2019).This paper presents MultiReQA, anew multi-domain ReQA evaluation suite com-posed of eight retrieval…

Computation and Language · Computer Science 2020-05-07 Mandy Guo , Yinfei Yang , Daniel Cer , Qinlan Shen , Noah Constant

Domain-specific intelligence demands specialized knowledge and sophisticated reasoning for problem-solving, posing significant challenges for large language models (LLMs) that struggle with knowledge hallucination and inadequate reasoning…

Computation and Language · Computer Science 2025-05-20 Zhengren Wang , Jiayang Yu , Dongsheng Ma , Zhe Chen , Yu Wang , Zhiyu Li , Feiyu Xiong , Yanfeng Wang , Weinan E , Linpeng Tang , Wentao Zhang

We introduce iterative retrieval, a novel framework that empowers retrievers to make iterative decisions through policy optimization. Finding an optimal portfolio of retrieved items is a combinatorial optimization problem, generally…

Computation and Language · Computer Science 2024-06-24 Yunmo Chen , Tongfei Chen , Harsh Jhamtani , Patrick Xia , Richard Shin , Jason Eisner , Benjamin Van Durme