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检索条件"机构=Pattern Recognition and Intelligent System"
326 条 记 录,以下是31-40 订阅
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A distributed vertical crawler using crawling-period based strategy
A distributed vertical crawler using crawling-period based s...
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2010 2nd International Conference on Future Computer and Communication, ICFCC 2010
作者: Zhou, Bing Xiao, Bo Lin, Zhiqing Zhang, Chuang Pattern Recognition and Intelligent System Beijing University of Posts and Telecommunications BUPT Beijing China
Due to the explosive growth of the web pages, centralized crawlers are no longer sufficient to run on the web efficiently. There are many distributed crawlers in wide use;however, none of them is suitable for template... 详细信息
来源: 评论
Cross similarity measurement for speaker adaptive test normalization in text-independent speaker verification
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The Journal of China Universities of Posts and Telecommunications 2008年 第2期15卷 130-134页
作者: ZHAO Jian DONG Yuan ZHAO Xian-yu YANG Hao WANG Hai-la Laboratory of Pattern Recognition and Intelligent System Beijing Universityof Posts and Telecommunications Beijing 100876 China France Telecom Research and Development Center Beijing 100080 China
Speaker adaptive test normalization (ATnorm) is the most effective approach of the widely used score normalization in text-flldependent speaker verification, which selects speaker adaptive impostor cohorts with an e... 详细信息
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The study of human behavior dynamics based on blogosphere
The study of human behavior dynamics based on blogosphere
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2010 International Conference on Web Information systems and Mining, WISM 2010
作者: Song, Yading Zhang, Chuang Wu, Ming Pattern Recognition and Intelligent System Lab Beijing University of Posts and Telecommunications Beijing China
Blog and microblog have become one of the most popular applications which individuals could be the message source. Therefore, interactivities between individuals have been largely enhanced in today's world. In ter... 详细信息
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Multi-class classifier of non-speech audio based on Fisher kernel
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Frontiers of Electrical and Electronic Engineering in China 2010年 第1期5卷 72-76页
作者: Rongyan WANG Gang LIU Jun GUO Yu FANG Pattern Recognition and Intelligent System Laboratory Beijing University of Posts and TelecommunicationsBeijing 100876China
Traditional multi-class classification methods based on Fisher kernel combine generative models such as Gaussian mixture models(GMMs)of all the classes ***,the combination generates high dimensional feature vectors an... 详细信息
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Speech enhancement based on modified a priori SNR estimation
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Frontiers of Electrical and Electronic Engineering in China 2011年 第4期6卷 542-546页
作者: Yu FANG Gang LIU Jun GUO Pattern Recognition and Intelligent System Laboratory Beijing University of Posts and TelecommunicationsBeijing 100876China
To solve the frame delay problem and match the previous frame,Plapous et al.[IEEE Transactions on Audio,Speech,and Language Processing,2006,14(6):2098–2108]introduced a novel approach called two-step noise reduction(... 详细信息
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Modeling microblogging communication based on human dynamics
Modeling microblogging communication based on human dynamics
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2011 8th International Conference on Fuzzy systems and Knowledge Discovery, FSKD 2011, Jointly with the 2011 7th International Conference on Natural Computation, ICNC'11
作者: Xie, Jianjun Zhang, Chuang Wu, Ming Pattern Recognition and Intelligent System Lab Beijing University of Posts and Telecommunications Beijing China
Microblog is a large-scale information sharing platform where intensive communications are taking place through interactive user behaviors. Previous studies have analyzed and modeled a series of traditional communicat... 详细信息
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Learning Discriminative Representations for Open Relation Extraction with Instance Ranking and Label Calibration
Learning Discriminative Representations for Open Relation Ex...
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2022 Findings of the Association for Computational Linguistics: NAACL 2022
作者: Wang, Shusen Duan, Bin Wu, Yanan Xu, Yajing Pattern Recognition & Intelligent System Laboratory Beijing University of Posts and Telecommunications Beijing China
Open relation extraction is the task to extract relational facts without pre-defined relation types from open-domain corpora. However, since there are some hard or semi-hard instances sharing similar context and entit... 详细信息
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RCL: Relation Contrastive Learning for Zero-Shot Relation Extraction
RCL: Relation Contrastive Learning for Zero-Shot Relation Ex...
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2022 Findings of the Association for Computational Linguistics: NAACL 2022
作者: Wang, Shusen Zhang, Bosen Xu, Yajing Wu, Yanan Xiao, Bo Pattern Recognition & Intelligent System Laboratory Beijing University of Posts and Telecommunications Beijing China
Zero-shot relation extraction aims to identify novel relations which cannot be observed at the training stage. However, it still faces some challenges since the unseen relations of instances are similar or the input s... 详细信息
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Novel active learning sample evaluation method based on multi-level confusion networks
Novel active learning sample evaluation method based on mult...
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2010 2nd IEEE International Conference on Network Infrastructure and Digital Content, IC-NIDC 2010
作者: Chen, Wei Liu, Gang Guo, Jun Pattern Recognition and Intelligent System Laboratory Beijing University of Posts and Telecommunications Beijing China
Active Learning (AL) is designed to aid the labor-intensive process of training acoustic model for speech recognition. In AL, only the most informative training samples are selected for manual annotation. Thus, how to... 详细信息
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An efficient algorithm of hot events detection in text streams
An efficient algorithm of hot events detection in text strea...
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International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery
作者: Bai, Junliang Guo, Jun Chen, Guang Xu, Weiran Du, Gang Pattern Recognition and Intelligent System Lab. Beijing University of Posts and Telecommunications China
Hot events detection in text streams has drawn increasing attention in recent sequential data mining works. Different from traditional TDT task which find all the real events' cluster, hot events detection only id... 详细信息
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