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We present models for encoding sentences into embedding vectors that specifically target transfer learning to other NLP tasks. The models are efficient and result in accurate performance on diverse transfer tasks. Two variants of the…

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

Recent years have witnessed increasing interests in prompt-based learning in which models can be trained on only a few annotated instances, making them suitable in low-resource settings. When using prompt-based learning for text…

计算与语言 · 计算机科学 2023-05-11 Hongjing Li , Hanqi Yan , Yanran Li , Li Qian , Yulan He , Lin Gui

In this paper, we propose a novel strategy for text-independent speaker identification system: Multi-Label Training (MLT). Instead of the commonly used one-to-one correspondence between the speech and the speaker label, we divide all the…

音频与语音处理 · 电气工程与系统科学 2024-08-19 Yuqi Xue

We present a novel deep neural model for text detection in document images. For robust text detection in noisy scanned documents, the advantages of multi-task learning are adopted by adding an auxiliary task of text enhancement. Namely, our…

计算机视觉与模式识别 · 计算机科学 2021-06-11 Eun-Soo Jung , HyeongGwan Son , Kyusam Oh , Yongkeun Yun , Soonhwan Kwon , Min Soo Kim

This paper demonstrates that multilingual denoising pre-training produces significant performance gains across a wide variety of machine translation (MT) tasks. We present mBART -- a sequence-to-sequence denoising auto-encoder pre-trained…

计算与语言 · 计算机科学 2020-01-24 Yinhan Liu , Jiatao Gu , Naman Goyal , Xian Li , Sergey Edunov , Marjan Ghazvininejad , Mike Lewis , Luke Zettlemoyer

Pretrained contextualized text encoders are now a staple of the NLP community. We present a survey on language representation learning with the aim of consolidating a series of shared lessons learned across a variety of recent efforts.…

计算与语言 · 计算机科学 2020-10-05 Patrick Xia , Shijie Wu , Benjamin Van Durme

We introduce a self-supervised speech pre-training method called TERA, which stands for Transformer Encoder Representations from Alteration. Recent approaches often learn by using a single auxiliary task like contrastive prediction,…

音频与语音处理 · 电气工程与系统科学 2021-08-05 Andy T. Liu , Shang-Wen Li , Hung-yi Lee

Knowledge-enhanced pre-trained models for language representation have been shown to be more effective in knowledge base construction tasks (i.e.,~relation extraction) than language models such as BERT. These knowledge-enhanced language…

计算与语言 · 计算机科学 2022-10-25 Jiacheng Li , Yannis Katsis , Tyler Baldwin , Ho-Cheol Kim , Andrew Bartko , Julian McAuley , Chun-Nan Hsu

Class incremental semantic segmentation aims to preserve old knowledge while learning new tasks, however, it is impeded by catastrophic forgetting and background shift issues. Prior works indicate the pivotal importance of initializing new…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Zhengyuan Xie , Haiquan Lu , Jia-wen Xiao , Enguang Wang , Le Zhang , Xialei Liu

We study whether in-domain pretraining of Bidirectional Encoder Representations from Transformer (BERT) model improves subdomain-level detection of exfiltration at low false positive rates. While previous work mostly examines fine-tuned…

密码学与安全 · 计算机科学 2026-04-14 Miloš Tomić , Aleksa Cvetanović , Predrag Tadić

Transformer-based models have achieved dominant performance in numerous NLP tasks. Despite their remarkable successes, pre-trained transformers such as BERT suffer from a computationally expensive self-attention mechanism that interacts…

计算与语言 · 计算机科学 2024-06-04 Jungmin Yun , Mihyeon Kim , Youngbin Kim

Unsupervised pretraining models have been shown to facilitate a wide range of downstream NLP applications. These models, however, retain some of the limitations of traditional static word embeddings. In particular, they encode only the…

计算与语言 · 计算机科学 2020-04-21 Anne Lauscher , Ivan Vulić , Edoardo Maria Ponti , Anna Korhonen , Goran Glavaš

At present, different deep learning models are presenting high accuracy on popular inference datasets such as SNLI, MNLI, and SciTail. However, there are different indicators that those datasets can be exploited by using some simple…

计算与语言 · 计算机科学 2019-10-25 Felipe Salvatore , Marcelo Finger , Roberto Hirata

This paper proposes a method for long-term action anticipation (LTA), the task of predicting action labels and their duration in a video given the observation of an initial untrimmed video interval. We build on an encoder-decoder…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Alberto Maté , Mariella Dimiccoli

This paper studies a text classification algorithm based on an improved Transformer to improve the performance and efficiency of the model in text classification tasks. Aiming at the shortcomings of the traditional Transformer model in…

计算与语言 · 计算机科学 2025-01-24 Jia Gao , Guiran Liu , Binrong Zhu , Shicheng Zhou , Hongye Zheng , Xiaoxuan Liao

Decoding strategies play a central role in shaping the reasoning ability of large language models (LLMs). Traditional methods such as greedy decoding and beam search often suffer from error propagation, while sampling-based approaches…

Existing work in multilingual pretraining has demonstrated the potential of cross-lingual transferability by training a unified Transformer encoder for multiple languages. However, much of this work only relies on the shared vocabulary and…

计算与语言 · 计算机科学 2021-06-03 Fuli Luo , Wei Wang , Jiahao Liu , Yijia Liu , Bin Bi , Songfang Huang , Fei Huang , Luo Si

Masked auto-encoder pre-training has emerged as a prevalent technique for initializing and enhancing dense retrieval systems. It generally utilizes additional Transformer decoder blocks to provide sustainable supervision signals and…

信息检索 · 计算机科学 2024-04-23 Guangyuan Ma , Xing Wu , Zijia Lin , Songlin Hu

Recent studies have shown that dual encoder models trained with the sentence-level translation ranking task are effective methods for cross-lingual sentence embedding. However, our research indicates that token-level alignment is also…

计算与语言 · 计算机科学 2023-05-17 Ziheng Li , Shaohan Huang , Zihan Zhang , Zhi-Hong Deng , Qiang Lou , Haizhen Huang , Jian Jiao , Furu Wei , Weiwei Deng , Qi Zhang