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Pretraining deep language models has led to large performance gains in NLP. Despite this success, Schick and Sch\"utze (2020) recently showed that these models struggle to understand rare words. For static word embeddings, this problem has…

计算与语言 · 计算机科学 2020-04-30 Timo Schick , Hinrich Schütze

The United States has experienced a significant increase in violent extremism, prompting the need for automated tools to detect and limit the spread of extremist ideology online. This study evaluates the performance of Bidirectional Encoder…

计算与语言 · 计算机科学 2024-08-30 Beidi Dong , Jin R. Lee , Ziwei Zhu , Balassubramanian Srinivasan

Contextualized representations from a pre-trained language model are central to achieve a high performance on downstream NLP task. The pre-trained BERT and A Lite BERT (ALBERT) models can be fine-tuned to give state-ofthe-art results in…

计算与语言 · 计算机科学 2021-01-27 Hyunjin Choi , Judong Kim , Seongho Joe , Youngjune Gwon

Adding linguistic information (syntax or semantics) to neural machine translation (NMT) has mostly focused on using point estimates from pre-trained models. Directly using the capacity of massive pre-trained contextual word embedding models…

计算与语言 · 计算机科学 2021-04-08 Hassan S. Shavarani , Anoop Sarkar

The rapid progress of Natural Language Processing (NLP) technologies has led to the widespread availability and effectiveness of text generation tools such as ChatGPT and Claude. While highly useful, these technologies also pose significant…

计算与语言 · 计算机科学 2024-10-10 Chao Zhou , Cheng Qiu , Lizhen Liang , Daniel E. Acuna

The Transformer architecture revolutionized the field of natural language processing (NLP). Transformers-based models (e.g., BERT) power many important Web services, such as search, translation, question-answering, etc. While enormous…

计算与语言 · 计算机科学 2021-02-23 Dave Dice , Alex Kogan

Fine-tuning pre-trained language models like BERT has become an effective way in NLP and yields state-of-the-art results on many downstream tasks. Recent studies on adapting BERT to new tasks mainly focus on modifying the model structure,…

计算与语言 · 计算机科学 2020-02-25 Yige Xu , Xipeng Qiu , Ligao Zhou , Xuanjing Huang

This paper presents a deep neural architecture, for Natural Language Sentence Matching (NLSM) by adding a deep recursive encoder to BERT so called BERT with Deep Recursive Encoder (BERT-DRE). Our analysis of model behavior shows that BERT…

计算与语言 · 计算机科学 2021-11-05 Ehsan Tavan , Ali Rahmati , Maryam Najafi , Saeed Bibak , Zahed Rahmati

Pretrained language models such as BERT, GPT have shown great effectiveness in language understanding. The auxiliary predictive tasks in existing pretraining approaches are mostly defined on tokens, thus may not be able to capture…

计算与语言 · 计算机科学 2020-06-19 Hongchao Fang , Sicheng Wang , Meng Zhou , Jiayuan Ding , Pengtao Xie

Large-scale pre-trained language models such as BERT have contributed significantly to the development of NLP. However, those models require large computational resources, making it difficult to be applied to mobile devices where computing…

计算与语言 · 计算机科学 2023-08-02 Weixin Wu , Hankz Hankui Zhuo

We propose a novel data augmentation method for labeled sentences called conditional BERT contextual augmentation. Data augmentation methods are often applied to prevent overfitting and improve generalization of deep neural network models.…

计算与语言 · 计算机科学 2018-12-18 Xing Wu , Shangwen Lv , Liangjun Zang , Jizhong Han , Songlin Hu

Multilingual BERT (M-BERT) has been a huge success in both supervised and zero-shot cross-lingual transfer learning. However, this success has focused only on the top 104 languages in Wikipedia that it was trained on. In this paper, we…

计算与语言 · 计算机科学 2020-04-29 Zihan Wang , Karthikeyan K , Stephen Mayhew , Dan Roth

In this paper, we report our method for the Information Extraction task in 2019 Language and Intelligence Challenge. We incorporate BERT into the multi-head selection framework for joint entity-relation extraction. This model extends…

计算与语言 · 计算机科学 2019-09-27 Weipeng Huang , Xingyi Cheng , Taifeng Wang , Wei Chu

As the number of open and shared scientific datasets on the Internet increases under the open science movement, efficiently retrieving these datasets is a crucial task in information retrieval (IR) research. In recent years, the development…

信息检索 · 计算机科学 2023-03-31 Xintao Chu , Jianping Liu , Jian Wang , Xiaofeng Wang , Yingfei Wang , Meng Wang , Xunxun Gu

Despite considerable progress in neural relevance ranking techniques, search engines still struggle to process complex queries effectively - both in terms of precision and recall. Sparse and dense Pseudo-Relevance Feedback (PRF) approaches…

信息检索 · 计算机科学 2023-12-06 Iain Mackie , Shubham Chatterjee , Sean MacAvaney , Jeffrey Dalton

Back-translation is an effective strategy to improve the performance of Neural Machine Translation~(NMT) by generating pseudo-parallel data. However, several recent works have found that better translation quality of the pseudo-parallel…

计算与语言 · 计算机科学 2021-02-17 Hieu Pham , Xinyi Wang , Yiming Yang , Graham Neubig

We propose new, data-efficient training tasks for BERT models that improve performance of automatic speech recognition (ASR) systems on conversational speech. We include past conversational context and fine-tune BERT on transcript…

计算与语言 · 计算机科学 2022-01-26 Pablo Ortiz , Simen Burud

Multiple neural language models have been developed recently, e.g., BERT and XLNet, and achieved impressive results in various NLP tasks including sentence classification, question answering and document ranking. In this paper, we explore…

信息检索 · 计算机科学 2020-04-29 Zhuolin Jiang , Amro El-Jaroudi , William Hartmann , Damianos Karakos , Lingjun Zhao

Data augmentation is an effective performance enhancement in neural machine translation (NMT) by generating additional bilingual data. In this paper, we propose a novel data augmentation enhancement strategy for neural machine translation.…

计算与语言 · 计算机科学 2020-04-30 Sufeng Duan , Hai Zhao , Dongdong Zhang , Rui Wang

Pseudo-relevance feedback mechanisms, from Rocchio to the relevance models, have shown the usefulness of expanding and reweighting the users' initial queries using information occurring in an initial set of retrieved documents, known as the…

信息检索 · 计算机科学 2021-07-02 Xiao Wang , Craig Macdonald , Nicola Tonellotto , Iadh Ounis