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In dialogue state tracking (DST), labeling the dataset involves considerable human labor. We propose a new self-training framework for few-shot generative DST that utilize unlabeled data. Our self-training method iteratively improves the…

计算与语言 · 计算机科学 2022-11-18 Jihyun Lee , Chaebin Lee , Yunsu Kim , Gary Geunbae Lee

Practical natural language processing (NLP) tasks are commonly long-tailed with noisy labels. Those problems challenge the generalization and robustness of complex models such as Deep Neural Networks (DNNs). Some commonly used resampling…

计算与语言 · 计算机科学 2023-05-04 Sunyi Chi , Bo Dong , Yiming Xu , Zhenyu Shi , Zheng Du

Recent efforts in Dialogue State Tracking (DST) for task-oriented dialogues have progressed toward open-vocabulary or generation-based approaches where the models can generate slot value candidates from the dialogue history itself. These…

计算与语言 · 计算机科学 2020-02-25 Hung Le , Richard Socher , Steven C. H. Hoi

Recent studies indicate that deep neural networks degrade in generalization performance under noisy supervision. Existing methods focus on isolating clean subsets or correcting noisy labels, facing limitations such as high computational…

机器学习 · 计算机科学 2025-10-30 Kuan Zhang , Chengliang Chai , Jingzhe Xu , Chi Zhang , Han Han , Ye Yuan , Guoren Wang , Lei Cao

Dialogue state tracking (DST) is an essential sub-task for task-oriented dialogue systems. Recent work has focused on deep neural models for DST. However, the neural models require a large dataset for training. Furthermore, applying them to…

计算与语言 · 计算机科学 2022-10-06 Hyunmin Jeon , Gary Geunbae Lee

The cost of annotating transcriptions for large speech corpora becomes a bottleneck to maximally enjoy the potential capacity of deep neural network-based automatic speech recognition models. In this paper, we present a new training…

音频与语音处理 · 电气工程与系统科学 2020-11-06 Jihwan Bang , Heesu Kim , YoungJoon Yoo , Jung-Woo Ha

Dialogue State Tracking (DST), a key component of task-oriented conversation systems, represents user intentions by determining the values of pre-defined slots in an ongoing dialogue. Existing approaches use hand-crafted templates and…

计算与语言 · 计算机科学 2023-10-24 Praveen Venkateswaran , Evelyn Duesterwald , Vatche Isahagian

Recent works on end-to-end trainable neural network based approaches have demonstrated state-of-the-art results on dialogue state tracking. The best performing approaches estimate a probability distribution over all possible slot values.…

计算与语言 · 计算机科学 2019-07-02 Rahul Goel , Shachi Paul , Dilek Hakkani-Tür

We introduce a novel method for training machine learning models in the presence of noisy labels, which are prevalent in domains such as medical diagnosis and autonomous driving and have the potential to degrade a model's generalization…

机器学习 · 计算机科学 2024-06-26 Farooq Ahmad Wani , Maria Sofia Bucarelli , Fabrizio Silvestri

One-hot labels do not represent soft decision boundaries among concepts, and hence, models trained on them are prone to overfitting. Using soft labels as targets provide regularization, but different soft labels might be optimal at…

机器学习 · 计算机科学 2020-09-22 Nidhi Vyas , Shreyas Saxena , Thomas Voice

Dialogue state tracking (DST) aims to extract essential information from multi-turn dialogue situations and take appropriate actions. A belief state, one of the core pieces of information, refers to the subject and its specific content, and…

计算与语言 · 计算机科学 2022-04-01 Takyoung Kim , Hoonsang Yoon , Yukyung Lee , Pilsung Kang , Misuk Kim

Robust loss minimization is an important strategy for handling robust learning issue on noisy labels. Current approaches for designing robust losses involve the introduction of noise-robust factors, i.e., hyperparameters, to control the…

机器学习 · 计算机科学 2023-09-06 Kehui Ding , Jun Shu , Deyu Meng , Zongben Xu

Deep neural networks have shown impressive performance in supervised learning, enabled by their ability to fit well to the provided training data. However, their performance is largely dependent on the quality of the training data and often…

机器学习 · 计算机科学 2021-11-11 Abhishek Kumar , Ehsan Amid

Label noise and class imbalance commonly coexist in real-world data. Previous works for robust learning, however, usually address either one type of the data biases and underperform when facing them both. To mitigate this gap, this work…

机器学习 · 计算机科学 2023-09-06 Shenwang Jiang , Jianan Li , Jizhou Zhang , Ying Wang , Tingfa Xu

Sequence-to-sequence state-of-the-art systems for dialogue state tracking (DST) use the full dialogue history as input, represent the current state as a list with all the slots, and generate the entire state from scratch at each dialogue…

计算与语言 · 计算机科学 2024-10-17 Pietro Lesci , Yoshinari Fujinuma , Momchil Hardalov , Chao Shang , Yassine Benajiba , Lluis Marquez

The performance of automatic speech recognition systems can be improved by adapting an acoustic model to compensate for the mismatch between training and testing conditions, for example by adapting to unseen speakers. The success of speaker…

计算与语言 · 计算机科学 2018-08-31 Ondřej Klejch , Joachim Fainberg , Peter Bell

Deep learning has made many remarkable achievements in many fields but suffers from noisy labels in datasets. The state-of-the-art learning with noisy label method Co-teaching and Co-teaching+ confronts the noisy label by mutual-information…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Jiarun Liu , Daguang Jiang , Yukun Yang , Ruirui Li

A Dialogue State Tracker (DST) is a key component in a dialogue system aiming at estimating the beliefs of possible user goals at each dialogue turn. Most of the current DST trackers make use of recurrent neural networks and are based on…

计算与语言 · 计算机科学 2019-10-23 Vevake Balaraman , Bernardo Magnini

Large datasets often have unreliable labels-such as those obtained from Amazon's Mechanical Turk or social media platforms-and classifiers trained on mislabeled datasets often exhibit poor performance. We present a simple, effective…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Ishan Jindal , Matthew Nokleby , Xuewen Chen

We consider the problem of training a model under the presence of label noise. Current approaches identify samples with potentially incorrect labels and reduce their influence on the learning process by either assigning lower weights to…

机器学习 · 计算机科学 2019-06-04 Duc Tam Nguyen , Thi-Phuong-Nhung Ngo , Zhongyu Lou , Michael Klar , Laura Beggel , Thomas Brox