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Monolingual data has been demonstrated to be helpful in improving the translation quality of neural machine translation (NMT). The current methods stay at the usage of word-level knowledge, such as generating synthetic parallel data or…

计算与语言 · 计算机科学 2019-08-22 Rongxiang Weng , Heng Yu , Shujian Huang , Weihua Luo , Jiajun Chen

Text data augmentation, i.e., the creation of new textual data from an existing text, is challenging. Indeed, augmentation transformations should take into account language complexity while being relevant to the target Natural Language…

计算与语言 · 计算机科学 2021-03-26 Mehdi Regina , Maxime Meyer , Sébastien Goutal

Data augmentation seeks to manipulate the available data for training to improve the generalization ability of models. We investigate two data augmentation proxies, permutation and flipping, for neural dialog response selection task on…

计算与语言 · 计算机科学 2018-09-05 Wenchao Du , Alan W Black

Data augmentation methods for neural machine translation are particularly useful when limited amount of training data is available, which is often the case when dealing with low-resource languages. We introduce a novel augmentation method,…

计算与语言 · 计算机科学 2023-11-07 Attila Nagy , Dorina Lakatos , Botond Barta , Judit Ács

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

Text data augmentation is a complex problem due to the discrete nature of sentences. Although rule-based augmentation methods are widely adopted in real-world applications because of their simplicity, they suffer from potential semantic…

计算与语言 · 计算机科学 2024-02-09 Juhwan Choi , Kyohoon Jin , Junho Lee , Sangmin Song , Youngbin Kim

Medical image data are often limited due to the expensive acquisition and annotation process. Hence, training a deep-learning model with only raw data can easily lead to overfitting. One solution to this problem is to augment the raw data…

图像与视频处理 · 电气工程与系统科学 2023-12-19 Xinyue Xu , Yuhan Hsi , Haonan Wang , Xiaomeng Li

This paper describes the machine translation system developed jointly by Baidu Research and Oregon State University for WMT 2019 Machine Translation Robustness Shared Task. Translation of social media is a very challenging problem, since…

计算与语言 · 计算机科学 2019-06-25 Renjie Zheng , Hairong Liu , Mingbo Ma , Baigong Zheng , Liang Huang

Retrieval-based conversational systems learn to rank response candidates for a given dialogue context by computing the similarity between their vector representations. However, training on a single textual form of the multi-turn context…

计算与语言 · 计算机科学 2022-04-19 Lahari Poddar , Peiyao Wang , Julia Reinspach

Data augmentation is widely used for training a neural network given little labeled data. A common practice of augmentation training is applying a composition of multiple transformations sequentially to the data. Existing augmentation…

机器学习 · 计算机科学 2024-08-27 Dongyue Li , Kailai Chen , Predrag Radivojac , Hongyang R. Zhang

Training efficiency is one of the main problems for Neural Machine Translation (NMT). Deep networks need for very large data as well as many training iterations to achieve state-of-the-art performance. This results in very high computation…

计算与语言 · 计算机科学 2017-10-04 Dakun Zhang , Jungi Kim , Josep Crego , Jean Senellart

Large language models (LLMs) frequently generate confident yet factually incorrect content when used for language generation (a phenomenon often known as hallucination). Retrieval augmented generation (RAG) tries to reduce factual errors by…

信息检索 · 计算机科学 2026-04-01 Dobrik Georgiev , Kheeran Naidu , Alberto Cattaneo , Federico Monti , Carlo Luschi , Daniel Justus

Counterfactual data augmentation (CDA) is a method for controlling information or biases in training datasets by generating a complementary dataset with typically opposing biases. Prior work often either relies on hand-crafted rules or…

机器学习 · 计算机科学 2025-02-26 Mitchell Plyler , Min Chi

We explore zero-shot adaptation, where a general-domain model has access to customer or domain specific parallel data at inference time, but not during training. We build on the idea of Retrieval Augmented Translation (RAT) where top-k…

计算与语言 · 计算机科学 2022-10-12 Cuong Hoang , Devendra Sachan , Prashant Mathur , Brian Thompson , Marcello Federico

Although attention-based Neural Machine Translation (NMT) has achieved remarkable progress in recent years, it still suffers from issues of repeating and dropping translations. To alleviate these issues, we propose a novel key-value…

计算与语言 · 计算机科学 2018-07-02 Fandong Meng , Zhaopeng Tu , Yong Cheng , Haiyang Wu , Junjie Zhai , Yuekui Yang , Di Wang

The advent of deep learning has led to a significant gain in machine translation. However, most of the studies required a large parallel dataset which is scarce and expensive to construct and even unavailable for some languages. This paper…

计算与语言 · 计算机科学 2023-04-04 Viet H. Pham , Thang M. Pham , Giang Nguyen , Long Nguyen , Dien Dinh

Building conversational speech recognition systems for new languages is constrained by the availability of utterances that capture user-device interactions. Data collection is both expensive and limited by the speed of manual transcription.…

计算与语言 · 计算机科学 2019-12-03 Surabhi Punjabi , Harish Arsikere , Sri Garimella

Retrieval Augmented Generation (RAG) is a technique used to augment Large Language Models (LLMs) with contextually relevant, time-critical, or domain-specific information without altering the underlying model parameters. However,…

信息检索 · 计算机科学 2024-08-20 Laurent Mombaerts , Terry Ding , Adi Banerjee , Florian Felice , Jonathan Taws , Tarik Borogovac

The existing Text-to-SQL models suffer from a shortage of training data, inhibiting their ability to fully facilitate the applications of SQL queries in new domains. To address this challenge, various data synthesis techniques have been…

机器学习 · 计算机科学 2025-04-08 Shenyang Liu , Saleh Almohaimeed , Liqiang Wang

Data augmentation is a ubiquitous technique used to provide robustness to automatic speech recognition (ASR) training. However, even as so much of the ASR training process has become automated and more "end-to-end", the data augmentation…