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To improve the accessibility of smart devices and to simplify their usage, building models which understand user interfaces (UIs) and assist users to complete their tasks is critical. However, unique challenges are proposed by UI-specific…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Chongyang Bai , Xiaoxue Zang , Ying Xu , Srinivas Sunkara , Abhinav Rastogi , Jindong Chen , Blaise Aguera y Arcas

Large-scale language model pretraining is a very successful form of self-supervised learning in natural language processing, but it is increasingly expensive to perform as the models and pretraining corpora have become larger over time. We…

计算与语言 · 计算机科学 2023-06-07 Haoxin Li , Phillip Keung , Daniel Cheng , Jungo Kasai , Noah A. Smith

The pre-trained language models like BERT, though powerful in many natural language processing tasks, are both computation and memory expensive. To alleviate this problem, one approach is to compress them for specific tasks before…

计算与语言 · 计算机科学 2020-10-12 Lu Hou , Zhiqi Huang , Lifeng Shang , Xin Jiang , Xiao Chen , Qun Liu

We propose VisualBERT, a simple and flexible framework for modeling a broad range of vision-and-language tasks. VisualBERT consists of a stack of Transformer layers that implicitly align elements of an input text and regions in an…

计算机视觉与模式识别 · 计算机科学 2019-08-12 Liunian Harold Li , Mark Yatskar , Da Yin , Cho-Jui Hsieh , Kai-Wei Chang

Weaknesses in computer systems such as faults, bugs and errors in the architecture, design or implementation of software provide vulnerabilities that can be exploited by attackers to compromise the security of a system. Common Weakness…

机器学习 · 计算机科学 2021-02-24 Siddhartha Shankar Das , Edoardo Serra , Mahantesh Halappanavar , Alex Pothen , Ehab Al-Shaer

Recently, end-to-end automatic speech recognition models based on connectionist temporal classification (CTC) have achieved impressive results, especially when fine-tuned from wav2vec2.0 models. Due to the conditional independence…

计算与语言 · 计算机科学 2022-03-08 Keqi Deng , Songjun Cao , Yike Zhang , Long Ma , Gaofeng Cheng , Ji Xu , Pengyuan Zhang

Catching and attributing code change-induced performance regressions in production is hard; predicting them beforehand, even harder. A primer on automatically learning to predict performance regressions in software, this article gives an…

软件工程 · 计算机科学 2023-05-23 Moritz Beller , Hongyu Li , Vivek Nair , Vijayaraghavan Murali , Imad Ahmad , Jürgen Cito , Drew Carlson , Ari Aye , Wes Dyer

We compare self-supervised representation learning algorithms which either explicitly quantize the audio data or learn representations without quantization. We find the former to be more accurate since it builds a good vocabulary of the…

计算与语言 · 计算机科学 2020-05-20 Alexei Baevski , Michael Auli , Abdelrahman Mohamed

Classification of crisis events, such as natural disasters, terrorist attacks and pandemics, is a crucial task to create early signals and inform relevant parties for spontaneous actions to reduce overall damage. Despite crisis such as…

计算与语言 · 计算机科学 2020-05-19 Junhua Liu , Trisha Singhal , Lucienne T. M. Blessing , Kristin L. Wood , Kwan Hui Lim

Recently developed large pre-trained language models, e.g., BERT, have achieved remarkable performance in many downstream natural language processing applications. These pre-trained language models often contain hundreds of millions of…

计算与语言 · 计算机科学 2021-06-17 Xinyi Wang , Haiqin Yang , Liang Zhao , Yang Mo , Jianping Shen

Annotating medical images for disease detection is often tedious and expensive. Moreover, the available training samples for a given task are generally scarce and imbalanced. These conditions are not conducive for learning effective deep…

图像与视频处理 · 电气工程与系统科学 2023-01-24 Fouzia Altaf , Syed M. S. Islam , Naeem K. Janjua , Naveed Akhtar

Recent innovations in architecture, pre-training, and fine-tuning have led to the remarkable in-context learning and reasoning abilities of large auto-regressive language models such as LLaMA and DeepSeek. In contrast, encoders like BERT…

计算与语言 · 计算机科学 2025-06-10 Lola Le Breton , Quentin Fournier , Mariam El Mezouar , John X. Morris , Sarath Chandar

Algorithm selection using Metalearning aims to find mappings between problem characteristics (i.e. metafeatures) with relative algorithm performance to predict the best algorithm(s) for new datasets. Therefore, it is of the utmost…

信息检索 · 计算机科学 2018-09-18 Tiago Cunha , Carlos Soares , André C. P. L. F. de Carvalho

Pre-trained self-supervised models such as BERT have achieved striking success in learning sequence representations, especially for natural language processing. These models typically corrupt the given sequences with certain types of noise,…

计算与语言 · 计算机科学 2020-11-02 Fuli Luo , Pengcheng Yang , Shicheng Li , Xuancheng Ren , Xu Sun

Building deep learning models on source code has found many successful software engineering applications, such as code search, code comment generation, bug detection, code migration, and so on. Current learning techniques, however, have a…

软件工程 · 计算机科学 2020-12-16 Nghi D. Q. Bui , Yijun Yu , Lingxiao Jiang

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

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…

We study the problem of incorporating prior knowledge into a deep Transformer-based model,i.e.,Bidirectional Encoder Representations from Transformers (BERT), to enhance its performance on semantic textual matching tasks. By probing and…

计算与语言 · 计算机科学 2021-02-23 Tingyu Xia , Yue Wang , Yuan Tian , Yi Chang

To extract robust deep representations from long sequential modeling of speech data, we propose a self-supervised learning approach, namely Contrastive Separative Coding (CSC). Our key finding is to learn such representations by separating…

音频与语音处理 · 电气工程与系统科学 2021-03-02 Jun Wang , Max W. Y. Lam , Dan Su , Dong Yu

Transformer-based models are widely used in natural language understanding (NLU) tasks, and multimodal transformers have been effective in visual-language tasks. This study explores distilling visual information from pretrained multimodal…

计算与语言 · 计算机科学 2022-05-04 Chan-Jan Hsu , Hung-yi Lee , Yu Tsao