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We propose an unsupervised method to obtain cross-lingual embeddings without any parallel data or pre-trained word embeddings. The proposed model, which we call multilingual neural language models, takes sentences of multiple languages as…

计算与语言 · 计算机科学 2018-09-10 Takashi Wada , Tomoharu Iwata

Text-style transfer aims to convert text given in one domain into another by paraphrasing the sentence or substituting the keywords without altering the content. By necessity, state-of-the-art methods have evolved to accommodate nonparallel…

计算与语言 · 计算机科学 2021-06-22 Xing Han , Jessica Lundin

Masked Language Model (MLM) framework has been widely adopted for self-supervised language pre-training. In this paper, we argue that randomly sampled masks in MLM would lead to undesirably large gradient variance. Thus, we theoretically…

计算与语言 · 计算机科学 2020-10-15 Mingzhi Zheng , Dinghan Shen , Yelong Shen , Weizhu Chen , Lin Xiao

Unsupervised text style transfer aims to transfer the underlying style of text but keep its main content unchanged without parallel data. Most existing methods typically follow two steps: first separating the content from the original…

计算与语言 · 计算机科学 2019-05-27 Fuli Luo , Peng Li , Jie Zhou , Pengcheng Yang , Baobao Chang , Zhifang Sui , Xu Sun

Paraphrase generation has benefited extensively from recent progress in the designing of training objectives and model architectures. However, previous explorations have largely focused on supervised methods, which require a large amount of…

计算与语言 · 计算机科学 2021-09-14 Tong Niu , Semih Yavuz , Yingbo Zhou , Nitish Shirish Keskar , Huan Wang , Caiming Xiong

Pre-training has proven to be effective in unsupervised machine translation due to its ability to model deep context information in cross-lingual scenarios. However, the cross-lingual information obtained from shared BPE spaces is…

计算与语言 · 计算机科学 2019-09-04 Shuo Ren , Yu Wu , Shujie Liu , Ming Zhou , Shuai Ma

Word alignment, which aims to align translationally equivalent words between source and target sentences, plays an important role in many natural language processing tasks. Current unsupervised neural alignment methods focus on inducing…

计算与语言 · 计算机科学 2021-05-18 Chi Chen , Maosong Sun , Yang Liu

It is well known that textual data on the internet and other digital platforms contain significant levels of bias and stereotypes. Although many such texts contain stereotypes and biases that inherently exist in natural language for reasons…

计算与语言 · 计算机科学 2022-01-24 Ewoenam Kwaku Tokpo , Toon Calders

Large-scale cross-lingual language models (LM), such as mBERT, Unicoder and XLM, have achieved great success in cross-lingual representation learning. However, when applied to zero-shot cross-lingual transfer tasks, most existing methods…

计算与语言 · 计算机科学 2020-12-16 Yuwei Fang , Shuohang Wang , Zhe Gan , Siqi Sun , Jingjing Liu

Text style transfer task requires the model to transfer a sentence of one style to another style while retaining its original content meaning, which is a challenging problem that has long suffered from the shortage of parallel data. In this…

计算与语言 · 计算机科学 2019-09-26 Mingyue Shang , Piji Li , Zhenxin Fu , Lidong Bing , Dongyan Zhao , Shuming Shi , Rui Yan

Automatic transfer of text between domains has become popular in recent times. One of its aims is to preserve the semantic content of text being translated from source to target domain. However, it does not explicitly maintain other…

计算与语言 · 计算机科学 2022-05-10 Abhinav Ramesh Kashyap , Devamanyu Hazarika , Min-Yen Kan , Roger Zimmermann , Soujanya Poria

We introduce a new approach to tackle the problem of offensive language in online social media. Our approach uses unsupervised text style transfer to translate offensive sentences into non-offensive ones. We propose a new method for…

计算与语言 · 计算机科学 2018-05-22 Cicero Nogueira dos Santos , Igor Melnyk , Inkit Padhi

Masked language modeling (MLM) plays a key role in pretraining large language models. But the MLM objective is often dominated by high-frequency words that are sub-optimal for learning factual knowledge. In this work, we propose an approach…

计算与语言 · 计算机科学 2023-04-05 Nafis Sadeq , Byungkyu Kang , Prarit Lamba , Julian McAuley

This work presents methods for learning cross-lingual sentence representations using paired or unpaired bilingual texts. We hypothesize that the cross-lingual alignment strategy is transferable, and therefore a model trained to align only…

计算与语言 · 计算机科学 2022-03-17 Chih-chan Tien , Shane Steinert-Threlkeld

Masked Language Modeling (MLM) is widely used to pretrain language models. The standard random masking strategy in MLM causes the pre-trained language models (PLMs) to be biased toward high-frequency tokens. Representation learning of rare…

计算与语言 · 计算机科学 2023-05-25 Linhan Zhang , Qian Chen , Wen Wang , Chong Deng , Xin Cao , Kongzhang Hao , Yuxin Jiang , Wei Wang

We propose to pre-train a unified language model for both autoencoding and partially autoregressive language modeling tasks using a novel training procedure, referred to as a pseudo-masked language model (PMLM). Given an input text with…

计算与语言 · 计算机科学 2020-03-02 Hangbo Bao , Li Dong , Furu Wei , Wenhui Wang , Nan Yang , Xiaodong Liu , Yu Wang , Songhao Piao , Jianfeng Gao , Ming Zhou , Hsiao-Wuen Hon

Multilingual pre-trained language models (MPLMs) not only can handle tasks in different languages but also exhibit surprising zero-shot cross-lingual transferability. However, MPLMs usually are not able to achieve comparable supervised…

计算与语言 · 计算机科学 2022-03-01 Ziqing Yang , Yiming Cui , Zhigang Chen , Shijin Wang

We consider the problem of translating, in an unsupervised manner, between two domains where one contains some additional information compared to the other. The proposed method disentangles the common and separate parts of these domains…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Ron Mokady , Sagie Benaim , Lior Wolf , Amit Bermano

Unsupervised style transfer models are mainly based on an inductive learning approach, which represents the style as embeddings, decoder parameters, or discriminator parameters and directly applies these general rules to the test cases.…

计算与语言 · 计算机科学 2021-09-17 Fei Xiao , Liang Pang , Yanyan Lan , Yan Wang , Huawei Shen , Xueqi Cheng

Cross-domain text classification aims to adapt models to a target domain that lacks labeled data. It leverages or reuses rich labeled data from the different but related source domain(s) and unlabeled data from the target domain. To this…

计算与语言 · 计算机科学 2024-04-11 Yunlong Feng , Bohan Li , Libo Qin , Xiao Xu , Wanxiang Che