English
Related papers

Related papers: USCORE: An Effective Approach to Fully Unsupervise…

200 papers

Unsupervised machine learning is the training of an artificial intelligence system using information that is neither classified nor labeled, with a view to modeling the underlying structure or distribution in a dataset. Since unsupervised…

Software Engineering · Computer Science 2020-03-18 Xiaoyuan Xie , Zhiyi Zhang , Tsong Yueh Chen , Yang Liu , Pak-Lok Poon , Baowen Xu

We propose an unsupervised approach to paraphrasing multiword expressions (MWEs) in context. Our model employs only monolingual corpus data and pre-trained language models (without fine-tuning), and does not make use of any external…

Computation and Language · Computer Science 2023-06-05 Takashi Wada , Yuji Matsumoto , Timothy Baldwin , Jey Han Lau

While prior work has established that the use of parallel data is conducive for cross-lingual learning, it is unclear if the improvements come from the data itself, or if it is the modeling of parallel interactions that matters. Exploring…

Computation and Language · Computer Science 2022-12-21 Machel Reid , Mikel Artetxe

We present a novel self-taught framework for unsupervised metric learning, which alternates between predicting class-equivalence relations between data through a moving average of an embedding model and learning the model with the predicted…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Sungyeon Kim , Dongwon Kim , Minsu Cho , Suha Kwak

Automatic evaluation of ST systems is typically performed by comparing translation hypotheses with one or more reference translations. While effective to some extent, this approach inherits the limitation of reference-based evaluation that…

Computation and Language · Computer Science 2026-04-09 Mauro Cettolo , Marco Gaido , Matteo Negri , Sara Papi , Luisa Bentivogli

Translation Quality Estimation (QE) is the task of predicting the quality of machine translation (MT) output without any reference. This task has gained increasing attention as an important component in the practical applications of MT. In…

Computation and Language · Computer Science 2024-03-05 Fatemeh Azadi , Heshaam Faili , Mohammad Javad Dousti

Unsupervised meta-learning aims to learn feature representations from unsupervised datasets that can transfer to downstream tasks with limited labeled data. In this paper, we propose a novel approach to unsupervised meta-learning that…

Machine Learning · Computer Science 2025-02-11 Anna Vettoruzzo , Lorenzo Braccaioli , Joaquin Vanschoren , Marlena Nowaczyk

Existing studies on self-supervised speech representation learning have focused on developing new training methods and applying pre-trained models for different applications. However, the quality of these models is often measured by the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-18 Alexander H. Liu , Sung-Lin Yeh , James Glass

In Machine Translation (MT) evaluation, metric performance is assessed based on agreement with human judgments. In recent years, automatic metrics have demonstrated increasingly high levels of agreement with humans. To gain a clearer…

Computation and Language · Computer Science 2025-06-25 Lorenzo Proietti , Stefano Perrella , Roberto Navigli

Automatic machine translation (MT) metrics are widely used to distinguish the translation qualities of machine translation systems across relatively large test sets (system-level evaluation). However, it is unclear if automatic metrics are…

Computation and Language · Computer Science 2023-06-21 Nikita Moghe , Tom Sherborne , Mark Steedman , Alexandra Birch

We present a probabilistic framework for multilingual neural machine translation that encompasses supervised and unsupervised setups, focusing on unsupervised translation. In addition to studying the vanilla case where there is only…

Computation and Language · Computer Science 2020-10-20 Xavier Garcia , Pierre Foret , Thibault Sellam , Ankur P. Parikh

Recently, there has been a surge in research in multimodal machine translation (MMT), where additional modalities such as images are used to improve translation quality of textual systems. A particular use for such multimodal systems is the…

Computation and Language · Computer Science 2022-07-07 Veneta Haralampieva , Ozan Caglayan , Lucia Specia

We present a framework for machine translation evaluation using neural networks in a pairwise setting, where the goal is to select the better translation from a pair of hypotheses, given the reference translation. In this framework,…

Computation and Language · Computer Science 2017-10-06 Francisco Guzmán , Shafiq R. Joty , Lluís Màrquez , Preslav Nakov

Machine translation has recently achieved impressive performance thanks to recent advances in deep learning and the availability of large-scale parallel corpora. There have been numerous attempts to extend these successes to low-resource…

Computation and Language · Computer Science 2018-04-16 Guillaume Lample , Alexis Conneau , Ludovic Denoyer , Marc'Aurelio Ranzato

The availability of parallel sentence simplification (SS) is scarce for neural SS modelings. We propose an unsupervised method to build SS corpora from large-scale bilingual translation corpora, alleviating the need for SS supervised…

Computation and Language · Computer Science 2021-09-02 Xinyu Lu , Jipeng Qiang , Yun Li , Yunhao Yuan , Yi Zhu

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…

Computation and Language · Computer Science 2019-08-26 Yacine Jernite

In this paper, we propose a new paradigm for paraphrase generation by treating the task as unsupervised machine translation (UMT) based on the assumption that there must be pairs of sentences expressing the same meaning in a large-scale…

Computation and Language · Computer Science 2022-09-12 Xiaofei Sun , Yufei Tian , Yuxian Meng , Nanyun Peng , Fei Wu , Jiwei Li , Chun Fan

Machine Translation (MT) Quality Estimation (QE) assesses translation reliability without reference texts. This study introduces "textual similarity" as a new metric for QE, using sentence transformers and cosine similarity to measure…

Computation and Language · Computer Science 2024-07-02 Kun Sun , Rong Wang

Unsupervised word translation from non-parallel inter-lingual corpora has attracted much research interest. Very recently, neural network methods trained with adversarial loss functions achieved high accuracy on this task. Despite the…

Machine Learning · Computer Science 2018-08-15 Yedid Hoshen , Lior Wolf

Document alignment techniques based on multilingual sentence representations have recently shown state of the art results. However, these techniques rely on unsupervised distance measurement techniques, which cannot be fined-tuned to the…

Computation and Language · Computer Science 2021-12-01 Charith Rajitha , Lakmali Piyarathne , Dilan Sachintha , Surangika Ranathunga