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Sentiment analysis is an important task in understanding social media content like customer reviews, Twitter and Facebook feeds etc. In multilingual communities around the world, a large amount of social media text is characterized by the…

计算与语言 · 计算机科学 2021-10-04 Akshat Gupta , Sargam Menghani , Sai Krishna Rallabandi , Alan W Black

Advancements in unsupervised machine translation have enabled the development of machine translation systems that can translate between languages for which there is not an abundance of parallel data available. We explored unsupervised…

计算与语言 · 计算机科学 2023-01-11 Megan Dare , Valentina Fajardo Diaz , Averie Ho Zoen So , Yifan Wang , Shibingfeng Zhang

Unsupervised pre-training has led to much recent progress in natural language understanding. In this paper, we study self-training as another way to leverage unlabeled data through semi-supervised learning. To obtain additional data for a…

计算与语言 · 计算机科学 2020-10-06 Jingfei Du , Edouard Grave , Beliz Gunel , Vishrav Chaudhary , Onur Celebi , Michael Auli , Ves Stoyanov , Alexis Conneau

Translation quality estimation (TQE) is the task of predicting translation quality without reference translations. Due to the enormous cost of creating training data for TQE, only a few translation directions can benefit from supervised…

计算与语言 · 计算机科学 2023-11-10 Yuto Kuroda , Atsushi Fujita , Tomoyuki Kajiwara , Takashi Ninomiya

Expanding new functionalities efficiently is an ongoing challenge for single-turn task-oriented dialogue systems. In this work, we explore functionality-specific semi-supervised learning via self-training. We consider methods that augment…

计算与语言 · 计算机科学 2019-10-11 Eunah Cho , He Xie , John P. Lalor , Varun Kumar , William M. Campbell

We address for the first time unsupervised training for a translation task with hundreds of thousands of vocabulary words. We scale up the expectation-maximization (EM) algorithm to learn a large translation table without any parallel text…

计算与语言 · 计算机科学 2019-01-08 Yunsu Kim , Julian Schamper , Hermann Ney

Paraphrasing exemplifies the ability to abstract semantic content from surface forms. Recent work on automatic paraphrasing is dominated by methods leveraging Machine Translation (MT) as an intermediate step. This contrasts with humans, who…

机器学习 · 计算机科学 2019-05-31 Aurko Roy , David Grangier

Recent work has managed to learn cross-lingual word embeddings without parallel data by mapping monolingual embeddings to a shared space through adversarial training. However, their evaluation has focused on favorable conditions, using…

计算与语言 · 计算机科学 2021-12-28 Mikel Artetxe , Gorka Labaka , Eneko Agirre

Tokenization remains a fundamental yet underexplored bottleneck in natural language processing, with strategies largely static despite remarkable progress in model architectures. We present SupraTok, a novel tokenization architecture that…

计算与语言 · 计算机科学 2025-08-26 Andrei-Valentin Tănase , Elena Pelican

Self-supervised model pre-training has recently garnered significant interest, but relatively few efforts have explored using additional resources in fine-tuning these models. We demonstrate how universal phoneset acoustic models can…

音频与语音处理 · 电气工程与系统科学 2021-10-12 Matthew Wiesner , Desh Raj , Sanjeev Khudanpur

The recent rapid progress in pre-training Large Language Models has relied on using self-supervised language modeling objectives like next token prediction or span corruption. On the other hand, Machine Translation Systems are mostly…

计算与语言 · 计算机科学 2023-05-22 Andrea Schioppa , Xavier Garcia , Orhan Firat

Instruction tuning has emerged as a powerful technique, significantly boosting zero-shot performance on unseen tasks. While recent work has explored cross-lingual generalization by applying instruction tuning to multilingual models,…

计算与语言 · 计算机科学 2024-06-14 Janghoon Han , Changho Lee , Joongbo Shin , Stanley Jungkyu Choi , Honglak Lee , Kynghoon Bae

We propose task-adaptive tokenization as a way to adapt the generation pipeline to the specifics of a downstream task and enhance long-form generation in mental health. Inspired by insights from cognitive science, our task-adaptive…

计算与语言 · 计算机科学 2023-11-14 Siyang Liu , Naihao Deng , Sahand Sabour , Yilin Jia , Minlie Huang , Rada Mihalcea

Sentence compression reduces the length of text by removing non-essential content while preserving important facts and grammaticality. Unsupervised objective driven methods for sentence compression can be used to create customized models…

计算与语言 · 计算机科学 2022-05-18 Demian Gholipour Ghalandari , Chris Hokamp , Georgiana Ifrim

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…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Sungyeon Kim , Dongwon Kim , Minsu Cho , Suha Kwak

The success of deep learning in computer vision is rooted in the ability of deep networks to scale up model complexity as demanded by challenging visual tasks. As complexity is increased, so is the need for large amounts of labeled data to…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Gustav Larsson

Current state-of-the-art classification and detection algorithms rely on supervised training. In this work we study unsupervised feature learning in the context of temporally coherent video data. We focus on feature learning from unlabeled…

计算机视觉与模式识别 · 计算机科学 2015-04-17 Ross Goroshin , Joan Bruna , Jonathan Tompson , David Eigen , Yann LeCun

We consider the problem of training speech recognition systems without using any labeled data, under the assumption that the learner can only access to the input utterances and a phoneme language model estimated from a non-overlapping…

音频与语音处理 · 电气工程与系统科学 2018-12-27 Chih-Kuan Yeh , Jianshu Chen , Chengzhu Yu , Dong Yu

Despite recent advances in end-to-end speech recognition methods, their output is biased to the training data's vocabulary, resulting in inaccurate recognition of unknown terms or proper nouns. To improve the recognition accuracy for a…

计算与语言 · 计算机科学 2024-06-24 Yu Nakagome , Michael Hentschel

Deep learning models struggle with compositional generalization, i.e. the ability to recognize or generate novel combinations of observed elementary concepts. In hopes of enabling compositional generalization, various unsupervised learning…

机器学习 · 计算机科学 2022-10-07 Zhenlin Xu , Marc Niethammer , Colin Raffel