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Data augmentation has shown its effectiveness in resolving the data-hungry problem and improving model's generalization ability. However, the quality of augmented data can be varied, especially compared with the raw/original data. To boost…

计算与语言 · 计算机科学 2024-09-27 Guanyi Mou , Yichuan Li , Kyumin Lee

Recent work has shown that data augmentation has the potential to significantly improve the generalization of deep learning models. Recently, automated augmentation strategies have led to state-of-the-art results in image classification and…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Ekin D. Cubuk , Barret Zoph , Jonathon Shlens , Quoc V. Le

Existing literature on Question Answering (QA) mostly focuses on algorithmic novelty, data augmentation, or increasingly large pre-trained language models like XLNet and RoBERTa. Additionally, a lot of systems on the QA leaderboards do not…

计算与语言 · 计算机科学 2019-09-13 Lin Pan , Rishav Chakravarti , Anthony Ferritto , Michael Glass , Alfio Gliozzo , Salim Roukos , Radu Florian , Avirup Sil

Many business workflows require extracting important fields from form-like documents (e.g. bank statements, bills of lading, purchase orders, etc.). Recent techniques for automating this task work well only when trained with large datasets.…

计算与语言 · 计算机科学 2022-12-23 Jing Xie , James B. Wendt , Yichao Zhou , Seth Ebner , Sandeep Tata

In the rapidly changing world of smart technology, searching for documents has become more challenging due to the rise of advanced language models. These models sometimes face difficulties, like providing inaccurate information, commonly…

信息检索 · 计算机科学 2025-03-20 Julien Pierre Edmond Ghali , Kosuke Shima , Koichi Moriyama , Atsuko Mutoh , Nobuhiro Inuzuka

Textbook question answering (TQA) is a challenging task in artificial intelligence due to the complex nature of context needed to answer complex questions. Although previous research has improved the task, there are still some limitations…

计算与语言 · 计算机科学 2025-01-23 Hessa Abdulrahman Alawwad , Areej Alhothali , Usman Naseem , Ali Alkhathlan , Amani Jamal

Adversarial training has been shown effective at endowing the learned representations with stronger generalization ability. However, it typically requires expensive computation to determine the direction of the injected perturbations. In…

计算与语言 · 计算机科学 2020-10-26 Dinghan Shen , Mingzhi Zheng , Yelong Shen , Yanru Qu , Weizhu Chen

The state of art natural language processing systems relies on sizable training datasets to achieve high performance. Lack of such datasets in the specialized low resource domains lead to suboptimal performance. In this work, we adapt…

计算与语言 · 计算机科学 2021-08-27 Usama Yaseen , Stefan Langer

Retrieval-augmented generation supports language models to strengthen their factual groundings by providing external contexts. However, language models often face challenges when given extensive information, diminishing their effectiveness…

计算与语言 · 计算机科学 2024-10-15 Chanwoong Yoon , Taewhoo Lee , Hyeon Hwang , Minbyul Jeong , Jaewoo Kang

Retrieval-Augmented Generation (RAG) has greatly improved large language models (LLMs) by enabling them to generate accurate, contextually grounded responses through the integration of external information. However, conventional RAG…

计算与语言 · 计算机科学 2024-09-24 Jiatao Li , Xinyu Hu , Xiaojun Wan

Adaptive retrieval-augmented generation (ARAG) aims to dynamically determine the necessity of retrieval for queries instead of retrieving indiscriminately to enhance the efficiency and relevance of the sourced information. However, previous…

计算与语言 · 计算机科学 2024-06-06 Zihan Zhang , Meng Fang , Ling Chen

Deep reinforcement learning (RL) agents often fail to generalize to unseen scenarios, even when they are trained on many instances of semantically similar environments. Data augmentation has recently been shown to improve the sample…

机器学习 · 计算机科学 2021-02-23 Roberta Raileanu , Max Goldstein , Denis Yarats , Ilya Kostrikov , Rob Fergus

Leveraging external knowledge is crucial for achieving high performance in knowledge-intensive tasks, such as question answering. The retrieve-and-read approach is widely adopted for integrating external knowledge into a language model.…

计算与语言 · 计算机科学 2024-06-10 Dongkyu Lee , Chandana Satya Prakash , Jack FitzGerald , Jens Lehmann

This study considers the task of machine reading at scale (MRS) wherein, given a question, a system first performs the information retrieval (IR) task of finding relevant passages in a knowledge source and then carries out the reading…

计算与语言 · 计算机科学 2018-09-03 Kyosuke Nishida , Itsumi Saito , Atsushi Otsuka , Hisako Asano , Junji Tomita

Extractive reading comprehension systems are designed to locate the correct answer to a question within a given text. However, a persistent challenge lies in ensuring these models maintain high accuracy in answering questions while reliably…

计算与语言 · 计算机科学 2025-04-09 Qian-Wen Zhang , Fang Li , Jie Wang , Lingfeng Qiao , Yifei Yu , Di Yin , Xing Sun

Recent work has demonstrated that using parameter efficient tuning techniques such as prefix tuning (or P-tuning) on pretrained language models can yield performance that is comparable or superior to fine-tuning while dramatically reducing…

计算与语言 · 计算机科学 2023-06-30 Stephen Obadinma , Hongyu Guo , Xiaodan Zhu

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…

计算与语言 · 计算机科学 2025-10-21 Neal Gregory Lawton , Alfy Samuel , Anoop Kumar , Daben Liu

We introduce the \textit{Extract-Refine-Retrieve-Read} (ERRR) framework, a novel approach designed to bridge the pre-retrieval information gap in Retrieval-Augmented Generation (RAG) systems through query optimization tailored to meet the…

计算与语言 · 计算机科学 2025-09-22 Youan Cong , Pritom Saha Akash , Cheng Wang , Kevin Chen-Chuan Chang

Multimodal large language models (MLLMs) have demonstrated great performance on visual question answering (VQA). When it comes to knowledge-based Visual Question Answering (KB-VQA), MLLMs may lack the specialized domain knowledge needed to…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Weixi Weng , Jieming Zhu , Xiaojun Meng , Hao Zhang , Rui Zhang , Chun Yuan

Business Process Modeling projects often require formal process models as a central component. High costs associated with the creation of such formal process models motivated many different fields of research aimed at automated generation…

计算与语言 · 计算机科学 2024-04-12 Julian Neuberger , Leonie Doll , Benedict Engelmann , Lars Ackermann , Stefan Jablonski