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In many cases of machine learning, research suggests that the development of training data might have a higher relevance than the choice and modelling of classifiers themselves. Thus, data augmentation methods have been developed to improve…

计算与语言 · 计算机科学 2022-07-25 Markus Bayer , Marc-André Kaufhold , Björn Buchhold , Marcel Keller , Jörg Dallmeyer , Christian Reuter

Data augmentation is an effective way to diversify corpora in machine translation, but previous methods may introduce semantic inconsistency between original and augmented data because of irreversible operations and random subword sampling…

计算与语言 · 计算机科学 2025-02-21 Jiashu Yao , Heyan Huang , Zeming Liu , Yuhang Guo

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

In recent years, language models (LMs) have made remarkable progress in advancing the field of natural language processing (NLP). However, the impact of data augmentation (DA) techniques on the fine-tuning (FT) performance of these LMs has…

计算与语言 · 计算机科学 2023-06-14 Zhengxiang Shi , Aldo Lipani

Generating text from structured inputs, such as meaning representations or RDF triples, has often involved the use of specialized graph-encoding neural networks. However, recent applications of pretrained transformers to linearizations of…

计算与语言 · 计算机科学 2021-01-01 Alexander Hoyle , Ana Marasović , Noah Smith

The inception of modeling contextual information using models such as BERT, ELMo, and Flair has significantly improved representation learning for words. It has also given SOTA results in almost every NLP task - Machine Translation, Text…

计算与语言 · 计算机科学 2021-12-01 Avi Chawla , Nidhi Mulay , Vikas Bishnoi , Gaurav Dhama

While agents trained by Reinforcement Learning (RL) can solve increasingly challenging tasks directly from visual observations, generalizing learned skills to novel environments remains very challenging. Extensive use of data augmentation…

机器学习 · 计算机科学 2021-12-10 Nicklas Hansen , Hao Su , Xiaolong Wang

The increasing size and complexity of pre-trained language models have demonstrated superior performance in many applications, but they usually require large training datasets to be adequately trained. Insufficient training sets could…

计算与语言 · 计算机科学 2025-02-03 Yaping Chai , Haoran Xie , Joe S. Qin

Reinforcement Learning with Verifiable Rewards(RLVR) has demonstrated great potential in enhancing the reasoning capabilities of large language models (LLMs). However, its success has thus far been largely confined to the mathematical and…

人工智能 · 计算机科学 2026-02-05 Mengyu Zhang , Siyu Ding , Weichong Yin , Yu Sun , Hua Wu

Data augmentation is known to improve the generalization capabilities of neural networks, provided that the set of transformations is chosen with care, a selection often performed manually. Automatic data augmentation aims at automating…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Juliette Marrie , Michael Arbel , Diane Larlus , Julien Mairal

Recently, the development of pre-trained language models has brought natural language processing (NLP) tasks to the new state-of-the-art. In this paper we explore the efficiency of various pre-trained language models. We pre-train a list of…

计算与语言 · 计算机科学 2023-07-27 Tong Guo

Today, the dominant paradigm for training neural networks involves minimizing task loss on a large dataset. Using world knowledge to inform a model, and yet retain the ability to perform end-to-end training remains an open question. In this…

机器学习 · 计算机科学 2020-08-21 Tao Li , Vivek Srikumar

Data augmentation is a widely adopted technique for avoiding overfitting when training deep neural networks. However, this approach requires domain-specific knowledge and is often limited to a fixed set of hard-coded transformations.…

机器学习 · 统计学 2021-08-19 Oguz Kaan Yuksel , Sebastian U. Stich , Martin Jaggi , Tatjana Chavdarova

Query-focused Summarization (QfS) deals with systems that generate summaries from document(s) based on a query. Motivated by the insight that Reinforcement Learning (RL) provides a generalization to Supervised Learning (SL) for Natural…

计算与语言 · 计算机科学 2023-11-30 Swaroop Nath , Harshad Khadilkar , Pushpak Bhattacharyya

Pre-trained Transformers currently dominate most NLP tasks. They impose, however, limits on the maximum input length (512 sub-words in BERT), which are too restrictive in the legal domain. Even sparse-attention models, such as Longformer…

计算与语言 · 计算机科学 2022-11-11 Dimitris Mamakas , Petros Tsotsi , Ion Androutsopoulos , Ilias Chalkidis

As the development of the encoder-decoder architecture, researchers are able to study the text generation tasks with broader types of data. Among them, KB-to-text aims at converting a set of knowledge triples into human readable sentences.…

计算与语言 · 计算机科学 2022-09-27 Zihao Fu , Yijiang River Dong , Lidong Bing , Wai Lam

Data augmentation has been widely used to improve deep neural networks in many research fields, such as computer vision. However, less work has been done in the context of text, partially due to its discrete nature and the complexity of…

计算与语言 · 计算机科学 2021-01-12 Ping Yu , Ruiyi Zhang , Yang Zhao , Yizhe Zhang , Chunyuan Li , Changyou Chen

Tabular data is the most widely used data format in machine learning (ML). While tree-based methods outperform DL-based methods in supervised learning, recent literature reports that self-supervised learning with Transformer-based models…

机器学习 · 计算机科学 2023-05-23 Soma Onishi , Shoya Meguro

Advanced neural network models have penetrated Automatic Speech Recognition (ASR) in recent years, however, in language modeling many systems still rely on traditional Back-off N-gram Language Models (BNLM) partly or entirely. The reason…

音频与语音处理 · 电气工程与系统科学 2020-09-04 Balázs Tarján , György Szaszák , Tibor Fegyó , Péter Mihajlik

Materialisation is often used in RDF systems as a preprocessing step to derive all facts implied by given RDF triples and rules. Although widely used, materialisation considers all possible rule applications and can use a lot of memory for…

数据库 · 计算机科学 2019-08-30 Pan Hu , Jacopo Urbani , Boris Motik , Ian Horrocks