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Cross-domain alignment play a key roles in tasks ranging from machine translation to transfer learning. Recently, purely unsupervised methods operating on monolingual embeddings have successfully been used to infer a bilingual lexicon…

计算与语言 · 计算机科学 2022-09-22 Aissatou Diallo , Johannes Fürnkranz

Successful methods for unsupervised neural machine translation (UNMT) employ crosslingual pretraining via self-supervision, often in the form of a masked language modeling or a sequence generation task, which requires the model to align the…

计算与语言 · 计算机科学 2021-04-15 Alexandra Chronopoulou , Dario Stojanovski , Alexander Fraser

Supervised fine-tuning (SFT) is crucial in adapting large language model (LLMs) to a specific domain or task. However, only a limited amount of labeled data is available in practical applications, which poses a severe challenge for SFT in…

计算与语言 · 计算机科学 2025-02-20 Junyu Luo , Xiao Luo , Xiusi Chen , Zhiping Xiao , Wei Ju , Ming Zhang

While supervised learning models have shown remarkable performance in various natural language processing (NLP) tasks, their success heavily relies on the availability of large-scale labeled datasets, which can be costly and time-consuming…

计算与语言 · 计算机科学 2024-06-04 Wrick Talukdar , Anjanava Biswas

Unsupervised machine translation---i.e., not assuming any cross-lingual supervision signal, whether a dictionary, translations, or comparable corpora---seems impossible, but nevertheless, Lample et al. (2018) recently proposed a fully…

计算与语言 · 计算机科学 2018-05-10 Anders Søgaard , Sebastian Ruder , Ivan Vulić

Unsupervised cross-lingual transfer involves transferring knowledge between languages without explicit supervision. Although numerous studies have been conducted to improve performance in such tasks by focusing on cross-lingual knowledge,…

计算与语言 · 计算机科学 2024-04-26 Jianyu Zheng , Fengfei Fan , Jianquan Li

Federated learning enables multiple clients, such as mobile phones and organizations, to collaboratively learn a shared model for prediction while protecting local data privacy. However, most recent research and applications of federated…

机器学习 · 计算机科学 2021-08-24 Haowen Lin , Jian Lou , Li Xiong , Cyrus Shahabi

We present a novel semi-supervised approach for sequence transduction and apply it to semantic parsing. The unsupervised component is based on a generative model in which latent sentences generate the unpaired logical forms. We apply this…

计算与语言 · 计算机科学 2016-09-30 Tomáš Kočiský , Gábor Melis , Edward Grefenstette , Chris Dyer , Wang Ling , Phil Blunsom , Karl Moritz Hermann

Unsupervised on-the-fly back-translation, in conjunction with multilingual pretraining, is the dominant method for unsupervised neural machine translation. Theoretically, however, the method should not work in general. We therefore conduct…

计算与语言 · 计算机科学 2024-03-28 Nicolas Guerin , Shane Steinert-Threlkeld , Emmanuel Chemla

We propose UnMixMatch, a semi-supervised learning framework which can learn effective representations from unconstrained unlabelled data in order to scale up performance. Most existing semi-supervised methods rely on the assumption that…

机器学习 · 计算机科学 2024-01-17 Shuvendu Roy , Ali Etemad

Lifelong learning aims to accumulate knowledge and alleviate catastrophic forgetting when learning tasks sequentially. However, existing lifelong language learning methods only focus on the supervised learning setting. Unlabeled data, which…

计算与语言 · 计算机科学 2022-11-24 Yingxiu Zhao , Yinhe Zheng , Bowen Yu , Zhiliang Tian , Dongkyu Lee , Jian Sun , Haiyang Yu , Yongbin Li , Nevin L. Zhang

Automatic emotion recognition is an active research topic with wide range of applications. Due to the high manual annotation cost and inevitable label ambiguity, the development of emotion recognition dataset is limited in both scale and…

音频与语音处理 · 电气工程与系统科学 2020-09-08 Jingjun Liang , Ruichen Li , Qin Jin

Semisupervised learning is a learning standard which deals with the study of how computers and natural systems such as human beings acquire knowledge in the presence of both labeled and unlabeled data. Semisupervised learning based methods…

机器学习 · 计算机科学 2014-02-20 V. Jothi Prakash , Dr. L. M. Nithya

In this paper, we present our overall efforts to improve the performance of a code-switching speech recognition system using semi-supervised training methods from lexicon learning to acoustic modeling, on the South East Asian…

计算与语言 · 计算机科学 2018-06-19 Pengcheng Guo , Haihua Xu , Lei Xie , Eng Siong Chng

Graph-based semi-supervised learning has proven to be an effective approach for query-focused multi-document summarization. The problem of previous semi-supervised learning is that sentences are ranked without considering the higher level…

计算与语言 · 计算机科学 2014-01-03 Jiwei Li , Sujian Li

The Platonic Representation Hypothesis posits that neural networks trained on different modalities converge toward a shared statistical model of the world. Recent work exploits this convergence by aligning frozen pretrained vision and…

机器学习 · 计算机科学 2026-02-27 Simon Roschmann , Paul Krzakala , Sonia Mazelet , Quentin Bouniot , Zeynep Akata

Semi-supervised learning improves the performance of supervised machine learning by leveraging methods from unsupervised learning to extract information not explicitly available in the labels. Through the design of a system that enables a…

机器人学 · 计算机科学 2020-07-27 Simón C. Smith , Subramanian Ramamoorthy

Foundation models have demonstrated remarkable performance across modalities such as language and vision. However, model reuse across distinct modalities (e.g., text and vision) remains limited due to the difficulty of aligning internal…

机器学习 · 计算机科学 2025-05-20 Ali Gholamzadeh , Noor Sajid

Back-translation based approaches have recently lead to significant progress in unsupervised sequence-to-sequence tasks such as machine translation or style transfer. In this work, we extend the paradigm to the problem of learning a…

计算与语言 · 计算机科学 2019-08-26 Yacine Jernite

We present two techniques to improve landmark localization in images from partially annotated datasets. Our primary goal is to leverage the common situation where precise landmark locations are only provided for a small data subset, but…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Sina Honari , Pavlo Molchanov , Stephen Tyree , Pascal Vincent , Christopher Pal , Jan Kautz