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Although pre-trained language models (PLMs) have achieved state-of-the-art performance on various natural language processing (NLP) tasks, they are shown to be lacking in knowledge when dealing with knowledge driven tasks. Despite the many…

计算与语言 · 计算机科学 2022-08-02 Qianglong Chen , Feng-Lin Li , Guohai Xu , Ming Yan , Ji Zhang , Yin Zhang

Transformer language models (TLMs) are critical for most NLP tasks, but they are difficult to create for low-resource languages because of how much pretraining data they require. In this work, we investigate two techniques for training…

计算与语言 · 计算机科学 2023-01-06 Luke Gessler , Amir Zeldes

While large scale pre-trained language models such as BERT have achieved great success on various natural language understanding tasks, how to efficiently and effectively incorporate them into sequence-to-sequence models and the…

计算与语言 · 计算机科学 2020-10-14 Junliang Guo , Zhirui Zhang , Linli Xu , Hao-Ran Wei , Boxing Chen , Enhong Chen

Bidirectional Encoder Representations from Transformers (BERT) has shown marvelous improvements across various NLP tasks, and its consecutive variants have been proposed to further improve the performance of the pre-trained language models.…

计算与语言 · 计算机科学 2021-11-29 Yiming Cui , Wanxiang Che , Ting Liu , Bing Qin , Ziqing Yang

Data augmentation is an effective technique for improving the performance of machine learning models. However, it has not been explored as extensively in natural language processing (NLP) as it has in computer vision. In this paper, we…

计算与语言 · 计算机科学 2024-01-04 Himmet Toprak Kesgin , Mehmet Fatih Amasyali

The Bidirectional Encoder Representations from Transformers (BERT) were proposed in the natural language process (NLP) and shows promising results. Recently researchers applied the BERT to source-code representation learning and reported…

计算与语言 · 计算机科学 2023-08-14 Lan Zhang , Chen Cao , Zhilong Wang , Peng Liu

The ultimate goal of transfer learning is to reduce labeled data requirements by exploiting a pre-existing embedding model trained for different datasets or tasks. The visual and language communities have established benchmarks to compare…

音频与语音处理 · 电气工程与系统科学 2021-05-11 Joel Shor , Aren Jansen , Ronnie Maor , Oran Lang , Omry Tuval , Felix de Chaumont Quitry , Marco Tagliasacchi , Ira Shavitt , Dotan Emanuel , Yinnon Haviv

Effective sentence embeddings that capture semantic nuances and generalize well across diverse contexts are crucial for natural language processing tasks. We address this challenge by applying SimCSE (Simple Contrastive Learning of Sentence…

计算与语言 · 计算机科学 2025-01-24 Yumeng Wang , Ziran Zhou , Junjin Wang

A mainstream type of current self-supervised learning methods pursues a general-purpose representation that can be well transferred to downstream tasks, typically by optimizing on a given pretext task such as instance discrimination. In…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Xin Liu , Zhongdao Wang , Yali Li , Shengjin Wang

Named entity recognition (NER) is frequently addressed as a sequence classification task where each input consists of one sentence of text. It is nevertheless clear that useful information for the task can often be found outside of the…

计算与语言 · 计算机科学 2020-12-18 Jouni Luoma , Sampo Pyysalo

Self-supervised sentence representation learning is the task of constructing an embedding space for sentences without relying on human annotation efforts. One straightforward approach is to finetune a pretrained language model (PLM) with a…

Phrase representations derived from BERT often do not exhibit complex phrasal compositionality, as the model relies instead on lexical similarity to determine semantic relatedness. In this paper, we propose a contrastive fine-tuning…

计算与语言 · 计算机科学 2021-10-15 Shufan Wang , Laure Thompson , Mohit Iyyer

Contrastive learning has been used to learn a high-quality representation of the image in computer vision. However, contrastive learning is not widely utilized in natural language processing due to the lack of a general method of data…

计算与语言 · 计算机科学 2021-04-29 Peng Su , Yifan Peng , K. Vijay-Shanker

As Transfer Learning from large-scale pre-trained models becomes more prevalent in Natural Language Processing (NLP), operating these large models in on-the-edge and/or under constrained computational training or inference budgets remains…

计算与语言 · 计算机科学 2020-03-03 Victor Sanh , Lysandre Debut , Julien Chaumond , Thomas Wolf

Mainstream Word Sense Disambiguation (WSD) approaches have employed BERT to extract semantics from both context and definitions of senses to determine the most suitable sense of a target word, achieving notable performance. However, there…

人工智能 · 计算机科学 2025-06-03 Linhan Xia , Mingzhan Yang , Guohui Yuan , Shengnan Tao , Yujing Qiu , Guo Yu , Kai Lei

The advent of deep learning has led to a significant gain in machine translation. However, most of the studies required a large parallel dataset which is scarce and expensive to construct and even unavailable for some languages. This paper…

计算与语言 · 计算机科学 2023-04-04 Viet H. Pham , Thang M. Pham , Giang Nguyen , Long Nguyen , Dien Dinh

We propose a self-supervised approach for learning representations and robotic behaviors entirely from unlabeled videos recorded from multiple viewpoints, and study how this representation can be used in two robotic imitation settings:…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Pierre Sermanet , Corey Lynch , Yevgen Chebotar , Jasmine Hsu , Eric Jang , Stefan Schaal , Sergey Levine

This study compares the effectiveness and robustness of multi-class categorization of Amazon product data using transfer learning on pre-trained contextualized language models. Specifically, we fine-tuned BERT and XLNet, two bidirectional…

机器学习 · 统计学 2019-09-24 Xinyi Liu , Artit Wangperawong

Recently, the performance of Pre-trained Language Models (PLMs) has been significantly improved by injecting knowledge facts to enhance their abilities of language understanding. For medical domains, the background knowledge sources are…

计算与语言 · 计算机科学 2021-08-23 Taolin Zhang , Zerui Cai , Chengyu Wang , Minghui Qiu , Bite Yang , Xiaofeng He

[Context and motivation] Incompleteness in natural-language requirements is a challenging problem. [Question/problem] A common technique for detecting incompleteness in requirements is checking the requirements against external sources.…

软件工程 · 计算机科学 2023-02-10 Dipeeka Luitel , Shabnam Hassani , Mehrdad Sabetzadeh
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