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Automated speaking assessment (ASA) on opinion expressions is often hampered by the scarcity of labeled recordings, which restricts prompt diversity and undermines scoring reliability. To address this challenge, we propose a novel training…

计算与语言 · 计算机科学 2025-09-12 Chung-Chun Wang , Jhen-Ke Lin , Hao-Chien Lu , Hong-Yun Lin , Berlin Chen

Tutoring is an effective instructional method for enhancing student learning, yet its success relies on the skill and experience of the tutors. This reliance presents challenges for the widespread implementation of tutoring, particularly in…

人机交互 · 计算机科学 2025-10-21 Chentianye Xu , Jionghao Lin , Tongshuang Wu , Vincent Aleven , Kenneth R. Koedinger

Despite the rapid growth in model architecture, the scarcity of large parallel corpora remains the main bottleneck in Neural Machine Translation. Data augmentation is a technique that enhances the performance of data-hungry models by…

计算与语言 · 计算机科学 2023-11-14 Seokjin Oh , Su Ah Lee , Woohwan Jung

As large language models (LLMs) are applied to more use cases, creating high quality, task-specific datasets for fine-tuning becomes a bottleneck for model improvement. Using high quality human data has been the most common approach to…

计算与语言 · 计算机科学 2024-10-31 Yung-Chieh Chan , George Pu , Apaar Shanker , Parth Suresh , Penn Jenks , John Heyer , Sam Denton

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

This paper presents a new challenge that calls for zero-shot text-to-speech (TTS) systems to augment speech data for the downstream task, personalized speech enhancement (PSE), as part of the Generative Data Augmentation workshop at ICASSP…

音频与语音处理 · 电气工程与系统科学 2025-01-24 Jae-Sung Bae , Anastasia Kuznetsova , Dinesh Manocha , John Hershey , Trausti Kristjansson , Minje Kim

Artificial Intelligence (AI) advancement is heavily dependent on access to large-scale, high-quality training data. However, in specialized domains such as healthcare, data acquisition faces significant constraints due to privacy…

人机交互 · 计算机科学 2025-02-11 Nina Freise , Marius Heitlinger , Ruben Nuredini , Gerrit Meixner

Confusing-words are commonly encountered in real-life keyword spotting applications, which causes severe degradation of performance due to complex spoken terms and various kinds of words that sound similar to the predefined keywords. To…

机器学习 · 计算机科学 2020-11-04 Yan Jia , Zexin Cai , Murong Ma , Zeqing Zhao , Xuyang Wang , Junjie Wang , Ming Li

With the advances in deep learning, speech enhancement systems benefited from large neural network architectures and achieved state-of-the-art quality. However, speaker-agnostic methods are not always desirable, both in terms of quality and…

音频与语音处理 · 电气工程与系统科学 2022-11-15 Anastasia Kuznetsova , Aswin Sivaraman , Minje Kim

Relation extraction (RE) tasks show promising performance in extracting relations from two entities mentioned in sentences, given sufficient annotations available during training. Such annotations would be labor-intensive to obtain in…

计算与语言 · 计算机科学 2023-06-16 Xuming Hu , Aiwei Liu , Zeqi Tan , Xin Zhang , Chenwei Zhang , Irwin King , Philip S. Yu

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

In this paper, we investigate data augmentation for text generation, which we call GenAug. Text generation and language modeling are important tasks within natural language processing, and are especially challenging for low-data regimes. We…

计算与语言 · 计算机科学 2020-10-13 Steven Y. Feng , Varun Gangal , Dongyeop Kang , Teruko Mitamura , Eduard Hovy

We introduce a novel setup for low-resource task-oriented semantic parsing which incorporates several constraints that may arise in real-world scenarios: (1) lack of similar datasets/models from a related domain, (2) inability to sample…

计算与语言 · 计算机科学 2022-05-19 Kevin Yang , Olivia Deng , Charles Chen , Richard Shin , Subhro Roy , Benjamin Van Durme

We introduce a data augmentation technique based on byte pair encoding and a BERT-like self-attention model to boost performance on spoken language understanding tasks. We compare and evaluate this method with a range of augmentation…

计算与语言 · 计算机科学 2021-04-19 Akhila Yerukola , Mason Bretan , Hongxia Jin

Neural machine translation (NMT) has recently gained widespread attention because of its high translation accuracy. However, it shows poor performance in the translation of long sentences, which is a major issue in low-resource languages.…

计算与语言 · 计算机科学 2021-04-20 Seiichiro Kondo , Kengo Hotate , Masahiro Kaneko , Mamoru Komachi

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…

Text data augmentation is an effective strategy for overcoming the challenge of limited sample sizes in many natural language processing (NLP) tasks. This challenge is especially prominent in the few-shot learning scenario, where the data…

The mental disorder of online users is determined using social media posts. The major challenge in this domain is to avail the ethical clearance for using the user generated text on social media platforms. Academic re searchers identified…

计算与语言 · 计算机科学 2022-11-09 Gunjan Ansari , Muskan Garg , Chandni Saxena

Data augmentation techniques have been widely used to improve machine learning performance as they enhance the generalization capability of models. In this work, to generate high quality synthetic data for low-resource tagging tasks, we…

计算与语言 · 计算机科学 2020-11-04 Bosheng Ding , Linlin Liu , Lidong Bing , Canasai Kruengkrai , Thien Hai Nguyen , Shafiq Joty , Luo Si , Chunyan Miao

In this paper, we present ConvoGen: an innovative framework for generating synthetic conversational data using multi-agent systems. Our method leverages few-shot learning and introduces iterative sampling from a dynamically updated few-shot…

计算与语言 · 计算机科学 2025-05-12 Reem Gody , Mahmoud Goudy , Ahmed Y. Tawfik