中文
相关论文

相关论文: Breaking Character: Are Subwords Good Enough for M…

200 篇论文

Contextual embedding-based language models trained on large data sets, such as BERT and RoBERTa, provide strong performance across a wide range of tasks and are ubiquitous in modern NLP. It has been observed that fine-tuning these models on…

计算与语言 · 计算机科学 2021-09-16 Vin Sachidananda , Jason S. Kessler , Yi-an Lai

Language models typically tokenize text into subwords, using a deterministic, hand-engineered heuristic of combining characters into longer surface-level strings such as 'ing' or whole words. Recent literature has repeatedly shown the…

计算与语言 · 计算机科学 2023-10-19 Avijit Thawani , Saurabh Ghanekar , Xiaoyuan Zhu , Jay Pujara

BERT adopts masked language modeling (MLM) for pre-training and is one of the most successful pre-training models. Since BERT neglects dependency among predicted tokens, XLNet introduces permuted language modeling (PLM) for pre-training to…

计算与语言 · 计算机科学 2020-11-03 Kaitao Song , Xu Tan , Tao Qin , Jianfeng Lu , Tie-Yan Liu

Pre-trained language models (PLMs) like BERT are being used for almost all language-related tasks, but interpreting their behavior still remains a significant challenge and many important questions remain largely unanswered. In this work,…

计算与语言 · 计算机科学 2021-09-28 Samuel Stevens , Yu Su

Trained on the large corpus, pre-trained language models (PLMs) can capture different levels of concepts in context and hence generate universal language representations. They can benefit multiple downstream natural language processing…

计算与语言 · 计算机科学 2021-10-15 Nankai Lin , Yingwen Fu , Chuwei Chen , Ziyu Yang , Shengyi Jiang

Sentence pair modeling is critical for many NLP tasks, such as paraphrase identification, semantic textual similarity, and natural language inference. Most state-of-the-art neural models for these tasks rely on pretrained word embedding and…

计算与语言 · 计算机科学 2018-05-23 Wuwei Lan , Wei Xu

Pre-trained Language Model (PLM) has become a representative foundation model in the natural language processing field. Most PLMs are trained with linguistic-agnostic pre-training tasks on the surface form of the text, such as the masked…

计算与语言 · 计算机科学 2022-11-11 Yiming Cui , Wanxiang Che , Shijin Wang , Ting Liu

Many attempts have been made in multilingual NLP to ensure that pre-trained language models, such as mBERT or GPT2 get better and become applicable to low-resource languages. To achieve multilingualism for pre-trained language models…

计算与语言 · 计算机科学 2024-06-25 Jesse Atuhurra , Hiroyuki Shindo , Hidetaka Kamigaito , Taro Watanabe

Recent work explored the potential of large-scale Transformer-based pre-trained models, especially Pre-trained Language Models (PLMs) in natural language processing. This raises many concerns from various perspectives, e.g., financial costs…

计算与语言 · 计算机科学 2022-05-23 Yuxin Ren , Benyou Wang , Lifeng Shang , Xin Jiang , Qun Liu

Tokenizing raw texts into word units is an essential pre-processing step for critical tasks in the NLP pipeline such as tagging, parsing, named entity recognition, and more. For most languages, this tokenization step straightforward.…

计算与语言 · 计算机科学 2022-03-22 Idan Brusilovsky , Reut Tsarfaty

The pre-trained language model is trained on large-scale unlabeled text and can achieve state-of-the-art results in many different downstream tasks. However, the current pre-trained language model is mainly concentrated in the Chinese and…

计算与语言 · 计算机科学 2022-05-17 Yuan Sun , Sisi Liu , Junjie Deng , Xiaobing Zhao

Pretrained contextualized text representation models learn an effective representation of a natural language to make it machine understandable. After the breakthrough of the attention mechanism, a new generation of pretrained models have…

Masked language models (MLMs) such as BERT and RoBERTa have revolutionized the field of Natural Language Understanding in the past few years. However, existing pre-trained MLMs often output an anisotropic distribution of token…

计算与语言 · 计算机科学 2022-04-29 Yixuan Su , Fangyu Liu , Zaiqiao Meng , Tian Lan , Lei Shu , Ehsan Shareghi , Nigel Collier

Large Pre-trained Language Models (PLMs) have become ubiquitous in the development of language understanding technology and lie at the heart of many artificial intelligence advances. While advances reported for English using PLMs are…

计算与语言 · 计算机科学 2021-04-12 Amit Seker , Elron Bandel , Dan Bareket , Idan Brusilovsky , Refael Shaked Greenfeld , Reut Tsarfaty

Pre-trained language models (PLMs) have substantially advanced natural language processing by providing context-sensitive text representations. However, the Algerian dialect remains under-represented, with few dedicated models available.…

计算与语言 · 计算机科学 2025-09-03 Abdelkrime Aries

Large language models (LLMs) can spell out tokens character by character with high accuracy, yet they struggle with more complex character-level tasks, such as identifying compositional subcomponents within tokens. In this work, we…

计算与语言 · 计算机科学 2025-06-13 Tatsuya Hiraoka , Kentaro Inui

Recent years pretrained language models (PLMs) hit a success on several downstream tasks, showing their power on modeling language. To better understand and leverage what PLMs have learned, several techniques have emerged to explore…

计算与语言 · 计算机科学 2021-09-23 Qian Liu , Dejian Yang , Jiahui Zhang , Jiaqi Guo , Bin Zhou , Jian-Guang Lou

Although pretrained language models (PLMs) can be prompted to perform a wide range of language tasks, it remains an open question how much this ability comes from generalizable linguistic understanding versus surface-level lexical patterns.…

计算与语言 · 计算机科学 2023-05-23 Terra Blevins , Hila Gonen , Luke Zettlemoyer

While (large) language models have significantly improved over the last years, they still struggle to sensibly process long sequences found, e.g., in books, due to the quadratic scaling of the underlying attention mechanism. To address…

计算与语言 · 计算机科学 2024-06-14 Tamara Czinczoll , Christoph Hönes , Maximilian Schall , Gerard de Melo

Pre-trained Language Models (PLMs) have been widely used in various natural language processing (NLP) tasks, owing to their powerful text representations trained on large-scale corpora. In this paper, we propose a new PLM called PERT for…

计算与语言 · 计算机科学 2022-03-15 Yiming Cui , Ziqing Yang , Ting Liu