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Neural networks are trained by minimizing a loss function that defines the discrepancy between the predicted model output and the target value. The selection of the loss function is crucial to achieve task-specific behaviour and highly…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Shakhnaz Akhmedova , Nils Körber

Convolutional neural networks have been successfully applied to various NLP tasks. However, it is not obvious whether they model different linguistic patterns such as negation, intensification, and clause compositionality to help the…

计算与语言 · 计算机科学 2018-10-23 Mahnaz Koupaee , William Yang Wang

Recently, outstanding identification rates in image classification tasks were achieved by convolutional neural networks (CNNs). to use such skills, selective CNNs trained on a dataset of well-known images of metal surface defects captured…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Nadeem Jabbar Chaudhry , M. Bilal Khan , M. Javaid Iqbal , Siddiqui Muhammad Yasir

Identifying the spatio-temporal network structure of brain activity from multi-neuronal data streams is one of the biggest challenges in neuroscience. Repeating patterns of precisely timed activity across a group of neurons is potentially…

神经元与认知 · 定量生物学 2009-03-03 Casey Diekman , Kohinoor Dasgupta , Vijay Nair , P. S. Sastry , K. P. Unnikrishnan

Image-based sequence recognition has been a long-standing research topic in computer vision. In this paper, we investigate the problem of scene text recognition, which is among the most important and challenging tasks in image-based…

计算机视觉与模式识别 · 计算机科学 2015-07-22 Baoguang Shi , Xiang Bai , Cong Yao

Named entity recognition (NER), which focuses on the extraction of semantically meaningful named entities and their semantic classes from text, serves as an indispensable component for several down-stream natural language processing (NLP)…

计算与语言 · 计算机科学 2018-10-23 Zhanming Jie , Aldrian Obaja Muis , Wei Lu

Scaling machine learning methods to very large datasets has attracted considerable attention in recent years, thanks to easy access to ubiquitous sensing and data from the web. We study face recognition and show that three distinct…

计算机视觉与模式识别 · 计算机科学 2015-04-21 Yaniv Taigman , Ming Yang , Marc'Aurelio Ranzato , Lior Wolf

The relation between the input and output spaces of neural networks (NNs) is investigated to identify those characteristics of the input space that have a large influence on the output for a given task. For this purpose, the NN function is…

数据分析、统计与概率 · 物理学 2018-10-16 Stefan Wunsch , Raphael Friese , Roger Wolf , Günter Quast

In this paper, we introduce Masked Anomaly Detection (MAD), a general self-supervised learning task for multivariate time series anomaly detection. With the increasing availability of sensor data from industrial systems, being able to…

机器学习 · 计算机科学 2022-10-04 Yiwei Fu , Feng Xue

For protein sequence datasets, unlabeled data has greatly outpaced labeled data due to the high cost of wet-lab characterization. Recent deep-learning approaches to protein prediction have shown that pre-training on unlabeled data can yield…

机器学习 · 计算机科学 2020-12-02 Pascal Sturmfels , Jesse Vig , Ali Madani , Nazneen Fatema Rajani

Designing shared neural architecture plays an important role in multi-task learning. The challenge is that finding an optimal sharing scheme heavily relies on the expert knowledge and is not scalable to a large number of diverse tasks.…

人工智能 · 计算机科学 2018-08-24 Junkun Chen , Kaiyu Chen , Xinchi Chen , Xipeng Qiu , Xuanjing Huang

Neural architecture search has been shown to hold great promise towards the automation of deep learning. However in spite of its potential, neural architecture search remains quite costly. To this point, we propose a novel gradient-based…

机器学习 · 计算机科学 2019-02-18 Efi Kokiopoulou , Anja Hauth , Luciano Sbaiz , Andrea Gesmundo , Gabor Bartok , Jesse Berent

Spikes are the currency in central nervous systems for information transmission and processing. They are also believed to play an essential role in low-power consumption of the biological systems, whose efficiency attracts increasing…

神经与进化计算 · 计算机科学 2020-05-05 Qiang Yu , Shenglan Li , Huajin Tang , Longbiao Wang , Jianwu Dang , Kay Chen Tan

Many recent models in software engineering introduced deep neural models based on the Transformer architecture or use transformer-based Pre-trained Language Models (PLM) trained on code. Although these models achieve the state of the arts…

软件工程 · 计算机科学 2022-04-22 Rishab Sharma , Fuxiang Chen , Fatemeh Fard , David Lo

Deep learning is a topic of considerable current interest. The availability of massive data collections and powerful software resources has led to an impressive amount of results in many application areas that reveal essential but hidden…

The extensive ubiquitous availability of sensors in smart devices and the Internet of Things (IoT) has opened up the possibilities for implementing sensor-based activity recognition. As opposed to traditional sensor time-series processing…

信号处理 · 电气工程与系统科学 2023-10-09 Danial Ahangarani , Mohammad Shirazi , Navid Ashraf

Linguistic sequence labeling is a general modeling approach that encompasses a variety of problems, such as part-of-speech tagging and named entity recognition. Recent advances in neural networks (NNs) make it possible to build reliable…

计算与语言 · 计算机科学 2017-11-27 Liyuan Liu , Jingbo Shang , Frank F. Xu , Xiang Ren , Huan Gui , Jian Peng , Jiawei Han

Current state-of-the-art models for named entity recognition (NER) are neural models with a conditional random field (CRF) as the final layer. Entities are represented as per-token labels with a special structure in order to decode them…

计算与语言 · 计算机科学 2020-10-12 Brian Lester , Daniel Pressel , Amy Hemmeter , Sagnik Ray Choudhury , Srinivas Bangalore

Computers are nonlinear dynamical systems that exhibit complex and sometimes even chaotic behavior. The models used in the computer systems community, however, are linear. This paper is an exploration of that disconnect: when linear models…

混沌动力学 · 物理学 2014-05-06 Joshua Garland , Elizabeth Bradley

Task-specific word identification aims to choose the task-related words that best describe a short text. Existing approaches require well-defined seed words or lexical dictionaries (e.g., WordNet), which are often unavailable for many…

计算与语言 · 计算机科学 2017-06-06 Shuhan Yuan , Xintao Wu , Yang Xiang