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检索条件"机构=Key Lab on Big Data Mining and Knowledge Management"
1041 条 记 录,以下是251-260 订阅
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Pre-training for Ad-hoc Retrieval: Hyperlink is Also You Need  21
Pre-training for Ad-hoc Retrieval: Hyperlink is Also You Nee...
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30th ACM International Conference on Information and knowledge management (CIKM)
作者: Ma, Zhengyi Dou, Zhicheng Xu, Wei Zhang, Xinyu Jiang, Hao Cao, Zhao Wen, Ji-Rong Renmin Univ China Gaoling Sch Artificial Intelligence Beijing Peoples R China Huawei Distributed & Parallel Software Lab Beijing Peoples R China Beijing Key Lab Big Data Management & Anal Method Beijing Peoples R China MOE Key Lab Data Engn & Knowledge Engn Beijing Peoples R China
Designing pre-training objectives that more closely resemble the downstream tasks for pre-trained language models can lead to better performance at the fine-tuning stage, especially in the ad-hoc retrieval area. Exist... 详细信息
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General Two-Stage Network Systems Based on Stackelberg Game
SSRN
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SSRN 2023年
作者: Zhang, Linyan Zhang, Jian Guo, Chuanyin School of Economics and Management Beijing Information Science & Technology University Beijing100192 China Research Center for Knowledge Management Beijing100192 China Beijing Key Lab of Green Development Decision Based on Big Data Beijing100192 China
Noncooperative approach is a key technique for modeling network systems. In general, there are two types of noncooperative network models in the literature. One is the bilevel model based on Stackelberg game, which is... 详细信息
来源: 评论
Robust high-dimensional regression for data with anomalous responses
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ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS 2021年 第4期73卷 703-736页
作者: Ren, Mingyang Zhang, Sanguo Zhang, Qingzhao Univ Chinese Acad Sci Sch Math Sci Beijing 100049 Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing 100049 Peoples R China Xiamen Univ Dept Stat Wang Yanan Inst Studies Econ MOE Key Lab EconSch Econ Xiamen 361005 Peoples R China Xiamen Univ Fujian Key Lab Stat Xiamen 361005 Peoples R China
The accuracy of response variables is crucially important to train regression models. In some situations, including the high-dimensional case, response observations tend to be inaccurate, which would lead to biased es... 详细信息
来源: 评论
Meta-learning approaches for learning-to-learn in deep learning: A survey
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NEUROCOMPUTING 2022年 494卷 203-223页
作者: Tian, Yingjie Zhao, Xiaoxi Huang, Wei Univ Chinese Acad Sci Sch Econ & Management 80 Zhongguancun East Rd Beijing 100190 Peoples R China Univ Chinese Acad Sci Res Ctr Fictitious Econ & Data Sci 80 Zhongguancun East Rd Beijing 100190 Peoples R China Univ Chinese Acad Sci Key Lab Big Data Min & Knowledge Management 80 Zhongguancun East Rd Beijing 100190 Peoples R China Southern Univ Sci & Technol Coll Business Shenzhen 518055 Peoples R China Xi An Jiao Tong Univ Sch Management Xian 710049 Shaanxi Peoples R China
Compared to traditional machine learning, deep learning can learn deeper abstract data representation and understand scattered data properties. It has gained considerable attention for its extraordinary performances. ... 详细信息
来源: 评论
Image Orientation Estimation Based On Deep Learning - A Survey
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Procedia Computer Science 2024年 242卷 1193-1197页
作者: Ruijie Xu Yong Shi Zhiquan Qi Research Center on Fictitious Economy and Data Science University of Chinese Academy of Sciences Beijing 100190 China Key Laboratory of Big Data Mining and Knowledge Management University of Chinese Academy of Sciences Beijing 00190 China School of Computer Science and Technology University of Chinese Academy of Sciences Beijing 101408 China School of Economics and Management University of Chinese Academy of Sciences Beijing 100190 China College of Information Science and Technology University of Nebraska Omaha 68182 USA
In the realm of visual tasks, the estimation of orientation plays a pivotal role yet often remains an understudied aspect in the gamut of image analysis research. This paper endeavors to address this deficiency by con... 详细信息
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COVID-19 Impact on Global Electricity Generation Structure-Based on Sustainable Development Perspective
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Procedia computer science 2022年 214卷 1206-1213页
作者: Shuyang Peng Xian Yang Haibo Lu Kun Guo School of Economics and Management University of Chinese Academy of Sciences Beijing 100190 China. Research Center on Fictitious Economy & Data Science Chinese Academy of Sciences Beijing 100190 China. Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing 100190 China.
This paper has sorted out the general logic of the impact of COVID-19 on energy consumption. In the short term, the epidemic has forced governments to adopt different levels of lockdown measures. The total electricity... 详细信息
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An ES-based model with contemporaneous and temporal aggregation for forecasting intermittent and lumpy retail demand
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Procedia Computer Science 2024年 242卷 264-271页
作者: Erjiang E Xin Tian Ye Tao Huiqiang Sun School of Management Guangxi Minzu University Nanning 530006 China Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing 100190 China School of Economics and Management University of Chinese Academy of Sciences Beijing 100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy Sciences Beijing 100190 China Beijing Haolinju CVS Co. Ltd. Beijing 100018 China Shenghe (Beijing) Technology Development Co. Ltd. Beijing 101399 China
The demand for products in the retail industry is often characterized by intermittent and volatile patterns. Specifically, at the SKU level, the demand exhibits intermittent and lumpy behavior, which presents challeng... 详细信息
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Information content and sentiment: the role of environmental disclosure in stock price crash risk
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International Review of Financial Analysis 2025年 104卷
作者: Long, Wen Ma, Ruiqi Guo, Man School of Economics and Management University of Chinese Academy of Sciences Beijing 100190 China Sino-Danish College University of Chinese Academy of Sciences Beijing 100190 China Research Center on Fictitious Economy & Data Science Chinese Academy of Sciences Beijing 100190 China Key Laboratory of Big Data Mining & Knowledge Management Chinese Academy of Sciences Beijing 100190 China
Environmental disclosure is a topic of global importance. When negative environmental news emerges and is eventually revealed, it can influence investor decisions and lead to significant stock price movements, potenti... 详细信息
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Poisoning Attack Against Estimating From Pairwise Comparisons
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IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE 2022年 第10期44卷 6393-6408页
作者: Ma, Ke Xu, Qianqian Zeng, Jinshan Cao, Xiaochun Huang, Qingming Univ Chinese Acad Sci Sch Comp Sci & Technol Beijing 100049 Peoples R China Peng Cheng Lab Artificial Intelligence Res Ctr Shenzhen 518055 Guangdong Peoples R China Chinese Acad Sci Inst Comp Technol Key Lab Intelligent Informat Proc Beijing 100190 Peoples R China Jiangxi Normal Univ Sch Comp & Informat Engn Nanchang 330022 Jiangxi Peoples R China Chinese Acad Sci Inst Informat Engn State Key Lab Informat Secur SKLOIS Beijing 100093 Peoples R China Univ Chinese Acad Sci Sch Cyber Secur Beijing 100049 Peoples R China Univ Chinese Acad Sci Sch Econ & Management Key Lab Big Data Min & Knowledge Management Beijing 100049 Peoples R China
As pairwise ranking becomes broadly employed for elections, sports competitions, recommendation, information retrieval and so on, attackers have strong motivation and incentives to manipulate or disrupt the ranking li... 详细信息
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A Review on the Construction of Business Intelligence System Based on Unstructured Image data
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Procedia Computer Science 2022年 199卷 392-398页
作者: Linzi Zhang Zhiquan Qi Fan Meng School of Economics and Management University of Chinese Academy of Sciences Beijing 100190 China Research Center on Fictitious Economy & Data Science Chinese Academy of Sciences Beijing 100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing 100190 China Department of Infomation Management Peking University Beijing 100871 China
Business Intelligence (BI) has been an emerging significant issue in modern government and corporate functions, which attracts the attention of both researchers and merchants. Using the raw data from customers, BI pro... 详细信息
来源: 评论