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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

How can we extend a pre-trained model to many language understanding tasks, without labeled or additional unlabeled data? Pre-trained language models (PLMs) have been effective for a wide range of NLP tasks. However, existing approaches…

计算与语言 · 计算机科学 2023-05-29 Xuandong Zhao , Siqi Ouyang , Zhiguo Yu , Ming Wu , Lei Li

The meanings of words and phrases depend not only on where they are used (contexts) but also on who use them (writers). Pretrained language models (PLMs) are powerful tools for capturing context, but they are typically pretrained and…

计算与语言 · 计算机科学 2023-09-15 Daisuke Oba , Naoki Yoshinaga , Masashi Toyoda

Recent work indicated that pretrained language models (PLMs) such as BERT and RoBERTa can be transformed into effective sentence and word encoders even via simple self-supervised techniques. Inspired by this line of work, in this paper we…

计算与语言 · 计算机科学 2021-09-21 Qianchu Liu , Fangyu Liu , Nigel Collier , Anna Korhonen , Ivan Vulić

Scene Text Recognition (STR) is difficult because of the variations in text styles, shapes, and backgrounds. Though the integration of linguistic information enhances models' performance, existing methods based on either permuted language…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Xiaomeng Yang , Zhi Qiao , Jin Wei , Dongbao Yang , Yu Zhou

Process reward models (PRMs) have shown success in complex reasoning tasks for large language models (LLMs). However, their application to machine translation (MT) remains underexplored due to the lack of systematic methodologies and…

计算与语言 · 计算机科学 2025-09-22 Zhaopeng Feng , Jiahan Ren , Jiayuan Su , Jiamei Zheng , Hongwei Wang , Zuozhu Liu

Product key memory (PKM) proposed by Lample et al. (2019) enables to improve prediction accuracy by increasing model capacity efficiently with insignificant computational overhead. However, their empirical application is only limited to…

计算与语言 · 计算机科学 2020-10-09 Gyuwan Kim , Tae-Hwan Jung

Query rewriting (QR) is an increasingly important technique to reduce customer friction caused by errors in a spoken language understanding pipeline, where the errors originate from various sources such as speech recognition errors,…

计算与语言 · 计算机科学 2020-02-14 Zheng Chen , Xing Fan , Yuan Ling , Lambert Mathias , Chenlei Guo

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

We introduce MARGE, a pre-trained sequence-to-sequence model learned with an unsupervised multi-lingual multi-document paraphrasing objective. MARGE provides an alternative to the dominant masked language modeling paradigm, where we…

计算与语言 · 计算机科学 2020-06-29 Mike Lewis , Marjan Ghazvininejad , Gargi Ghosh , Armen Aghajanyan , Sida Wang , Luke Zettlemoyer

This work introduces an approach to assessing phrase break in ESL learners' speech with pre-trained language models (PLMs). Different with traditional methods, this proposal converts speech to token sequences, and then leverages the power…

计算与语言 · 计算机科学 2022-10-31 Zhiyi Wang , Shaoguang Mao , Wenshan Wu , Yan Xia

Pretrained language models (PLMs) are today the primary model for natural language processing. Despite their impressive downstream performance, it can be difficult to apply PLMs to new languages, a barrier to making their capabilities…

Machine Reading Comprehension (MRC) is a challenging Natural Language Processing(NLP) research field with wide real-world applications. The great progress of this field in recent years is mainly due to the emergence of large-scale datasets…

计算与语言 · 计算机科学 2020-10-22 Changchang Zeng , Shaobo Li , Qin Li , Jie Hu , Jianjun Hu

Machine Reading Comprehension (MRC) poses a significant challenge in the field of Natural Language Processing (NLP). While mainstream MRC methods predominantly leverage extractive strategies using encoder-only models such as BERT,…

计算与语言 · 计算机科学 2024-10-17 Lin Ai , Zheng Hui , Zizhou Liu , Julia Hirschberg

Fine-tuning Large Language Models (LLMs) is now a common approach for text classification in a wide range of applications. When labeled documents are scarce, active learning helps save annotation efforts but requires retraining of massive…

机器学习 · 计算机科学 2024-02-27 Artem Vysogorets , Achintya Gopal

Neural models have achieved great success on machine reading comprehension (MRC), many of which typically consist of two components: an evidence extractor and an answer predictor. The former seeks the most relevant information from a…

计算与语言 · 计算机科学 2020-06-22 Yilin Niu , Fangkai Jiao , Mantong Zhou , Ting Yao , Jingfang Xu , Minlie Huang

This study investigates the concept of the `right to be forgotten' within the context of large language models (LLMs). We explore machine unlearning as a pivotal solution, with a focus on pre-trained models--a notably under-researched area.…

计算与语言 · 计算机科学 2024-05-31 Jin Yao , Eli Chien , Minxin Du , Xinyao Niu , Tianhao Wang , Zezhou Cheng , Xiang Yue

Machine reading comprehension (MRC), which requires a machine to answer questions based on a given context, has attracted increasing attention with the incorporation of various deep-learning techniques over the past few years. Although…

计算与语言 · 计算机科学 2019-11-06 Shanshan Liu , Xin Zhang , Sheng Zhang , Hui Wang , Weiming Zhang

Machine comprehension plays an essential role in NLP and has been widely explored with dataset like MCTest. However, this dataset is too simple and too small for learning true reasoning abilities. \cite{hermann2015teaching} therefore…

计算与语言 · 计算机科学 2016-05-16 Tian Tian , Yuezhang Li

Abstract meaning representation (AMR) highlights the core semantic information of text in a graph structure. Recently, pre-trained language models (PLMs) have advanced tasks of AMR parsing and AMR-to-text generation, respectively. However,…

计算与语言 · 计算机科学 2022-05-05 Xuefeng Bai , Yulong Chen , Yue Zhang