中文
相关论文

相关论文: Unsupervised Pre-training for Biomedical Question …

200 篇论文

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…

State-of-the-art deep learning approaches for skin lesion recognition often require pretraining on larger and more varied datasets, to overcome the generalization limitations derived from the reduced size of the skin lesion imaging…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Kirill Sirotkin , Marcos Escudero-Viñolo , Pablo Carballeira , Juan Carlos SanMiguel

General-purpose pretrained sentence encoders such as BERT are not ideal for real-world conversational AI applications; they are computationally heavy, slow, and expensive to train. We propose ConveRT (Conversational Representations from…

计算与语言 · 计算机科学 2020-04-30 Matthew Henderson , Iñigo Casanueva , Nikola Mrkšić , Pei-Hao Su , Tsung-Hsien Wen , Ivan Vulić

Self-supervised pretraining has been observed to be effective at improving feature representations for transfer learning, leveraging large amounts of unlabelled data. This review summarizes recent research into its usage in X-ray, computed…

机器学习 · 计算机科学 2023-09-07 Blake VanBerlo , Jesse Hoey , Alexander Wong

The Bidirectional Encoder Representations from Transformers (BERT) model has achieved the state-of-the-art performance for many natural language processing (NLP) tasks. Yet, limited research has been contributed to studying its…

计算与语言 · 计算机科学 2021-09-23 Zimin Wan , Chenchen Xu , Hanna Suominen

This study evaluated the effect of BioBERT in medical text processing for the task of medical named entity recognition. Through comparative experiments with models such as BERT, ClinicalBERT, SciBERT, and BlueBERT, the results showed that…

计算与语言 · 计算机科学 2024-12-12 Jiacheng Hu , Runyuan Bao , Yang Lin , Hanchao Zhang , Yanlin Xiang

Deep neural networks are typically trained under a supervised learning framework where a model learns a single task using labeled data. Instead of relying solely on labeled data, practitioners can harness unlabeled or related data to…

机器学习 · 计算机科学 2020-07-03 Huanru Henry Mao

We study the problem of semi-supervised question answering----utilizing unlabeled text to boost the performance of question answering models. We propose a novel training framework, the Generative Domain-Adaptive Nets. In this framework, we…

计算与语言 · 计算机科学 2017-04-25 Zhilin Yang , Junjie Hu , Ruslan Salakhutdinov , William W. Cohen

This work presents a general unsupervised learning method to improve the accuracy of sequence to sequence (seq2seq) models. In our method, the weights of the encoder and decoder of a seq2seq model are initialized with the pretrained weights…

计算与语言 · 计算机科学 2018-02-23 Prajit Ramachandran , Peter J. Liu , Quoc V. Le

Multimodal emotion recognition study is hindered by the lack of labelled corpora in terms of scale and diversity, due to the high annotation cost and label ambiguity. In this paper, we propose a pre-training model \textbf{MEmoBERT} for…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Jinming Zhao , Ruichen Li , Qin Jin , Xinchao Wang , Haizhou Li

Pre-trained language models have recently contributed to significant advances in NLP tasks. Recently, multi-modal versions of BERT have been developed, using heavy pre-training relying on vast corpora of aligned textual and image data,…

计算与语言 · 计算机科学 2020-12-17 Thomas Scialom , Patrick Bordes , Paul-Alexis Dray , Jacopo Staiano , Patrick Gallinari

This study is dedicated to exploring the application of prompt learning methods to advance Named Entity Recognition (NER) within the medical domain. In recent years, the emergence of large-scale models has driven significant progress in NER…

计算与语言 · 计算机科学 2025-06-04 Jinzhu Yang

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

Self-supervised pre-trained speech models were shown effective for various downstream speech processing tasks. Since they are mainly pre-trained to map input speech to pseudo-labels, the resulting representations are only effective for the…

音频与语音处理 · 电气工程与系统科学 2023-11-09 Jingru Lin , Meng Ge , Wupeng Wang , Haizhou Li , Mengling Feng

In this work, we describe our experiments and participating systems in the BioASQ Task 9b Phase B challenge of biomedical question answering. We have focused on finding the ideal answers and investigated multi-task fine-tuning and gradual…

计算与语言 · 计算机科学 2021-09-16 Urvashi Khanna , Diego Mollá

Enabling robots to learn novel visuomotor skills in a data-efficient manner remains an unsolved problem with myriad challenges. A popular paradigm for tackling this problem is through leveraging large unlabeled datasets that have many…

机器人学 · 计算机科学 2023-05-16 Maximilian Du , Suraj Nair , Dorsa Sadigh , Chelsea Finn

BERT is inefficient for sentence-pair tasks such as clustering or semantic search as it needs to evaluate combinatorially many sentence pairs which is very time-consuming. Sentence BERT (SBERT) attempted to solve this challenge by learning…

计算与语言 · 计算机科学 2021-02-08 Yan Zhang , Ruidan He , Zuozhu Liu , Kwan Hui Lim , Lidong Bing

Unsupervised representation learning aims at finding methods that learn representations from data without annotation-based signals. Abstaining from annotations not only leads to economic benefits but may - and to some extent already does -…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Bonifaz Stuhr

Increasing model size when pretraining natural language representations often results in improved performance on downstream tasks. However, at some point further model increases become harder due to GPU/TPU memory limitations and longer…

计算与语言 · 计算机科学 2020-02-11 Zhenzhong Lan , Mingda Chen , Sebastian Goodman , Kevin Gimpel , Piyush Sharma , Radu Soricut

Boundary information is critical for various Chinese language processing tasks, such as word segmentation, part-of-speech tagging, and named entity recognition. Previous studies usually resorted to the use of a high-quality external…

计算与语言 · 计算机科学 2022-10-28 Peijie Jiang , Dingkun Long , Yanzhao Zhang , Pengjun Xie , Meishan Zhang , Min Zhang