讲座题目:Outlier Detection from High-dimensional and Distributed Data Sources
讲座时间:2019年11月27日下午4:10
讲座地点:09402H
主讲人:张吉
主讲人简介:
澳大利亚南昆士兰大学计算机科学副教授,终身教授职位,博士生导师,曾任南昆士兰大学信息技术中心首席研究顾问, IEEE高级会员,ACM会员,澳大利亚奋进学者,昆士兰学者,加拿大Killam学者,第3届世界智能大会特邀专家,美国密歇根州立大学、新加坡南洋理工大学和日本筑波大学访问客座教授。张吉教授获2011年度南昆士兰大学杰出研究奖和澳大利亚奋进奖。张吉教授的主要研究方向为大数据分析, 数据挖掘, 信息隐私保护及安全,计算智能等,张吉教授已在国际主要期刊和国际会议中发表研究论文150余篇,并撰写个人专著1部及专著论文7篇。
讲座主要内容:
In this talk, I will present some of our recent work on outlier detection. I will first talk about a technique for detecting outliers from large high-dimensional data streams. Computational Intelligence method based on Genetic Algorithm is developed to achieve efficient high-dimensional subspace search. Innovative fast convergence technique is also proposed to significant speed up the detection process. I will then introduce a technique for detecting outliers from multiple large distributed databases. It is able to effectively detect the so-called global outliers from distributed databases that are consistent with those produced by the centralized detection paradigm.
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