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We demonstrate substantial performance gains in zero-shot dialogue state tracking (DST) by enhancing training data diversity through synthetic data generation. Existing DST datasets are severely limited in the number of application domains…

计算与语言 · 计算机科学 2024-06-14 James D. Finch , Jinho D. Choi

Recently, data-driven task-oriented dialogue systems have achieved promising performance in English. However, developing dialogue systems that support low-resource languages remains a long-standing challenge due to the absence of…

计算与语言 · 计算机科学 2019-11-22 Zihan Liu , Genta Indra Winata , Zhaojiang Lin , Peng Xu , Pascale Fung

The goal of stance detection is to determine the viewpoint expressed in a piece of text towards a target. These viewpoints or contexts are often expressed in many different languages depending on the user and the platform, which can be a…

计算与语言 · 计算机科学 2021-12-22 Momchil Hardalov , Arnav Arora , Preslav Nakov , Isabelle Augenstein

Dialogue state tracking (DST) is an important step in dialogue management to keep track of users' beliefs. Existing works fine-tune all language model (LM) parameters to tackle the DST task, which requires significant data and computing…

计算与语言 · 计算机科学 2023-05-31 Mingyu Derek Ma , Jiun-Yu Kao , Shuyang Gao , Arpit Gupta , Di Jin , Tagyoung Chung , Nanyun Peng

Self-training (ST) has prospered again in language understanding by augmenting the fine-tuning of pre-trained language models when labeled data is insufficient. However, it remains challenging to incorporate ST into attribute-controllable…

计算与语言 · 计算机科学 2023-06-07 Yuxi Feng , Xiaoyuan Yi , Xiting Wang , Laks V. S. Lakshmanan , Xing Xie

Pseudo-label (PL) filtering forms a crucial part of Self-Training (ST) methods for unsupervised domain adaptation. Dropout-based Uncertainty-driven Self-Training (DUST) proceeds by first training a teacher model on source domain labeled…

音频与语音处理 · 电气工程与系统科学 2022-11-16 Nauman Dawalatabad , Sameer Khurana , Antoine Laurent , James Glass

We analyze several recent unsupervised constituency parsing models, which are tuned with respect to the parsing $F_1$ score on the Wall Street Journal (WSJ) development set (1,700 sentences). We introduce strong baselines for them, by…

计算与语言 · 计算机科学 2020-10-08 Haoyue Shi , Karen Livescu , Kevin Gimpel

Self-training (ST) and self-supervised learning (SSL) methods have demonstrated strong improvements in automatic speech recognition (ASR). In spite of these advances, to the best of our knowledge, there is no analysis of how the composition…

机器学习 · 计算机科学 2023-03-03 Dan Berrebbi , Ronan Collobert , Navdeep Jaitly , Tatiana Likhomanenko

Existing approaches to lifelong language learning rely on plenty of labeled data for learning a new task, which is hard to obtain in most real scenarios. Considering that humans can continually learn new tasks from a handful of examples, we…

计算与语言 · 计算机科学 2022-04-01 Chengwei Qin , Shafiq Joty

Turn-level user satisfaction is one of the most important performance metrics for conversational agents. It can be used to monitor the agent's performance and provide insights about defective user experiences. Moreover, a powerful…

机器学习 · 计算机科学 2021-04-13 Mohammad Kachuee , Hao Yuan , Young-Bum Kim , Sungjin Lee

Scalability for handling unknown slot values is a important problem in dialogue state tracking (DST). As far as we know, previous scalable DST approaches generally rely on either the candidate generation from slot tagging output or the span…

计算与语言 · 计算机科学 2021-06-18 Puhai Yang , Heyan Huang , Xianling Mao

Deep learning perception models require a massive amount of labeled training data to achieve good performance. While unlabeled data is easy to acquire, the cost of labeling is prohibitive and could create a tremendous burden on companies or…

计算机视觉与模式识别 · 计算机科学 2021-11-19 Xinnan Du , William Zhang , Jose M. Alvarez

Recent progress has shown that few-shot learning can be improved with access to unlabelled data, known as semi-supervised few-shot learning(SS-FSL). We introduce an SS-FSL approach, dubbed as Prototypical Random Walk Networks(PRWN), built…

机器学习 · 计算机科学 2021-02-10 Ahmed Ayyad , Yuchen Li , Nassir Navab , Shadi Albarqouni , Mohamed Elhoseiny

We propose a few-shot learning method for unsupervised feature selection, which is a task to select a subset of relevant features in unlabeled data. Existing methods usually require many instances for feature selection. However, sufficient…

机器学习 · 计算机科学 2021-07-05 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

Recently several deep learning based models have been proposed for end-to-end learning of dialogs. While these models can be trained from data without the need for any additional annotations, it is hard to interpret them. On the other hand,…

人工智能 · 计算机科学 2018-11-05 Dhiraj Madan , Dinesh Raghu , Gaurav Pandey , Sachindra Joshi

Dialogue Topic Segmentation (DTS) plays an essential role in a variety of dialogue modeling tasks. Previous DTS methods either focus on semantic similarity or dialogue coherence to assess topic similarity for unsupervised dialogue…

计算与语言 · 计算机科学 2023-05-05 Haoyu Gao , Rui Wang , Ting-En Lin , Yuchuan Wu , Min Yang , Fei Huang , Yongbin Li

While communicating with a user, a task-oriented dialogue system has to track the user's needs at each turn according to the conversation history. This process called dialogue state tracking (DST) is crucial because it directly informs the…

计算与语言 · 计算机科学 2022-08-01 Léo Jacqmin , Lina M. Rojas-Barahona , Benoit Favre

The amount of labeled data to train models for speech tasks is limited for most languages, however, the data scarcity is exacerbated for speech translation which requires labeled data covering two different languages. To address this issue,…

计算与语言 · 计算机科学 2022-10-20 Changhan Wang , Hirofumi Inaguma , Peng-Jen Chen , Ilia Kulikov , Yun Tang , Wei-Ning Hsu , Michael Auli , Juan Pino

In recent years, self-supervised learning has excelled for its capacity to learn robust feature representations from unlabelled data. Networks pretrained through self-supervision serve as effective feature extractors for downstream tasks,…

声音 · 计算机科学 2024-02-15 Calum Heggan , Sam Budgett , Timothy Hospedales , Mehrdad Yaghoobi

Natural language processing (NLP) sees rich mobile applications. To support various language understanding tasks, a foundation NLP model is often fine-tuned in a federated, privacy-preserving setting (FL). This process currently relies on…

机器学习 · 计算机科学 2023-08-22 Dongqi Cai , Shangguang Wang , Yaozong Wu , Felix Xiaozhu Lin , Mengwei Xu