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检索条件"机构=Key Lab on Big Data Mining and Knowledge Management"
1037 条 记 录,以下是251-260 订阅
排序:
A Prompt-Based Topic-Modeling Method for Depression Detection on Low-Resource data
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IEEE TRANSACTIONS ON COMPUTATIONAL SOCIAL SYSTEMS 2024年 第1期11卷 1430-1439页
作者: Guo, Yanrong Liu, Jilong Wang, Lei Qin, Wei Hao, Shijie Hong, Richang Hefei Univ Technol HFUT Key Lab Knowledge Engn Big Data Minist Educ Hefei 230009 Peoples R China Hefei Univ Technol HFUT Sch Comp Sci & Informat Engn Hefei 230009 Peoples R China Singapore Management Univ Sch Comp & Informat Syst Singapore 178902 Singapore
Depression has a large impact on one's personal life, especially during the COVID-19 pandemic. People have been trying to develop reliable methods for the depression detection task. Recently, methods based on deep... 详细信息
来源: 评论
Sampling-based Estimation of the Number of Distinct Values in Distributed Environment  22
Sampling-based Estimation of the Number of Distinct Values i...
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28th ACM SIGKDD Conference on knowledge Discovery and data mining (KKD)
作者: Li, Jiajun Wei, Zhewei Ding, Bolin Dai, Xiening Lu, Lu Zhou, Jingren Renmin Univ China Beijing Peoples R China Alibaba Grp Hangzhou Peoples R China Gaoling Sch Artificial Intelligence Peng Cheng Lab Beijing Key Lab Big Data Management & Anal Method Beijing Peoples R China MOE Key Lab Data Engn & Knowledge Engn Beijing Peoples R China
In data mining, estimating the number of distinct values (NDV) is a fundamental problem with various applications. Existing methods for estimating NDV can be broadly classified into two categories: i) scanning-based m... 详细信息
来源: 评论
Gene-environment interaction identification via penalized robust divergence
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BIOMETRICAL JOURNAL 2022年 第3期64卷 461-480页
作者: Ren, Mingyang Zhang, Sanguo Ma, Shuangge Zhang, Qingzhao Univ Chinese Acad Sci Sch Math Sci Beijing Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing Peoples R China Yale Sch Publ Hlth Dept Biostat New Haven CT USA Xiamen Univ Wang Yanan Inst Studies Econ Sch Econ Dept Stat & Data SciFujian Key Lab Stat Fujian 361005 Peoples R China
In high-throughput cancer studies, gene-environment interactions associated with outcomes have important implications. Some commonly adopted identification methods do not respect the "main effect, interaction&quo... 详细信息
来源: 评论
Evaluating Search Result Diversity using Intent Hierarchies  16
Evaluating Search Result Diversity using Intent Hierarchies
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39th International ACM SIGIR conference on Research and Development in Information Retrieval
作者: Wang, Xiaojie Dou, Zhicheng Sakai, Tetsuya Wen, Ji-Rong Renmin Univ China Sch Informat Beijing Peoples R China Beijing Key Lab Big Data Management & Anal Method Beijing Peoples R China Waseda Univ Dept Comp Sci & Engn Tokyo Japan MOE Key Lab Data Engn & Knowledge Engn Beijing Peoples R China
Search result diversification aims at returning diversified document lists to cover different user intents for ambiguous or broad queries. Existing diversity measures assume that user intents are independent or exclus... 详细信息
来源: 评论
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
来源: 评论
Robust Tracking via Uncertainty-Aware Semantic Consistency
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 2023年 第4期33卷 1740-1751页
作者: Ma, Jie Lan, Xiangyuan Zhong, Bineng Li, Guorong Tang, Zhenjun Li, Xianxian Ji, Rongrong Guangxi Normal Univ Guangxi Key Lab Multisource Informat Min & Secur Guilin Peoples R China Peng Cheng Lab Shenzhen Peoples R China Univ Chinese Acad Sci Sch Comp Sci & Technol Key Lab Big Data Min & Knowledge Management Beijing Peoples R China Xiamen Univ Sch Informat Dept Artificial Intelligence Media Analyt & Comp Lab Xiamen Peoples R China
Robust tracking has a variety of practical applications. Despite many years of progress, it is still a difficult problem due to enormous uncertainties in real-world scenes. To address this issue, we propose a robust a... 详细信息
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Second-Order Markov Assumption Based Bayes Classifier for Networked data With Heterophily
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IEEE ACCESS 2019年 7卷 34153-34161页
作者: Dong, Sa Liu, Dayou Ouyang, Ruochuan Zhu, Yungang Li, Lina Li, Tingting Liu, Jie Jilin Univ Coll Comp Sci & Technol Changchun 130012 Jilin Peoples R China Jilin Univ Key Lab Symbol Computat & Knowledge Engn Minist Educ Changchun 130012 Jilin Peoples R China Jilin Univ Big Data & Network Management Ctr Changchun 130012 Jilin Peoples R China
The classification of networked data is an interesting and challenging problem. Most traditional relational classifiers that are based on the principle of homophily have an unsatisfactory classification performance in... 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
Machine learning models for early-stage investment decision making in startups
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MANAGERIAL AND DECISION ECONOMICS 2024年 第3期45卷 1259-1279页
作者: Shi, Yong Eremina, Ekaterina Long, Wen Univ Chinese Acad Sci Sch Econ & Management Beijing Peoples R China Chinese Acad Sci Res Ctr Fictitious Econ & Data Sci Beijing Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing Peoples R China
This study demonstrates the efficacy of machine learning techniques for evidence-based evaluation of early-stage ventures. Leveraging real-world data on 24,965 startups across diverse sectors and countries sourced fro...
来源: 评论
Genre-based Link prediction in Bipartite Graph for Music Recommendation
Genre-based Link prediction in Bipartite Graph for Music Rec...
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4th International Conference on Information Technology and Quantitative management (ITQM) - Promoting Business Analytics and Quantitative management of Technology
作者: Zhao, Daozhen Zhang, Lingling Zhao, Weiqi Univ Chinese Acad Sci Sch Econ & Management Beijing 100190 Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing 100190 Peoples R China Chinese Acad Sci Inst Automat Natl Lab Pattern Recognit Beijing 100190 Peoples R China
The bipartite graph method of link prediction can apply in many fields of recommendations, with the nodes (users and items) and links (interactions between users and items). However, that links cannot represent the us... 详细信息
来源: 评论