ATD: Efficient and Effective Algorithms for Detection of Anomalies in High-dimensional Spatiotemporal Data with Large Amounts of Missing Data
ATD:高效且有效的高维时空数据异常检测算法
基本信息
- 批准号:2318925
- 负责人:
- 金额:$ 10万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-09-01 至 2026-08-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Detecting rare events of anomalies using high-dimensional real-world data with mixed-type multivariate response, sparse and unknown signals and a large number of missing values is very challenging. The architectural integration of domain knowledge and data with spatial and temporal variables significantly improves the model reliability, interpretability, and prediction accuracy. For predicting anomalies, the investigator plans to develop efficient and effective posterior sampling algorithms and apply these methods to various real-word data with interdisciplinary collaborations. Students, including those from underrepresented groups, will be involved in education and outreach activities featuring real world problem-solving.The research aims to develop novel anomaly detection algorithms. These will leverage hybrid information from the domain knowledge (represented as prior distributions) and regularization constraints to establish an efficient and effective search direction. Data information embedded in likelihood functions and regression models will reduce the search space for parameter estimation.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
使用具有混合型多变量响应、稀疏和未知信号以及大量缺失值的高维真实世界数据来检测罕见异常事件是非常具有挑战性的。领域知识和数据与空间和时间变量的架构集成显着提高了模型的可靠性,可解释性和预测精度。为了预测异常,研究人员计划开发高效和有效的后验采样算法,并通过跨学科合作将这些方法应用于各种真实数据。学生,包括那些来自代表性不足的群体,将参与以解决真实的世界问题为特色的教育和推广活动。该研究旨在开发新的异常检测算法。这些将利用来自领域知识(表示为先验分布)和正则化约束的混合信息来建立高效且有效的搜索方向。嵌入在似然函数和回归模型中的数据信息将减少参数估计的搜索空间。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Hsin-Hsiung Huang其他文献
Effective reduction of bowing in free-standing GaN by N-face regrowth with hydride vapor-phase epitaxy
- DOI:
10.1016/j.jcrysgro.2009.01.073 - 发表时间:
2009-05-01 - 期刊:
- 影响因子:
- 作者:
Kuei-Ming Chen;Hsin-Hsiung Huang;Yi-Lin Kuo;Pei-Lun Wu;Ting-Li Chu;Hung-Wei Yu;Wei-I Lee - 通讯作者:
Wei-I Lee
An ensemble distance measure of k-mer and Natural Vector for the phylogenetic analysis of multiple-segmented viruses.
- DOI:
10.1016/j.jtbi.2016.03.004 - 发表时间:
2016-06 - 期刊:
- 影响因子:2
- 作者:
Hsin-Hsiung Huang - 通讯作者:
Hsin-Hsiung Huang
Information Extraction for Virus Classification and Robust Dimension Reduction
- DOI:
- 发表时间:
2014-06 - 期刊:
- 影响因子:0
- 作者:
Hsin-Hsiung Huang - 通讯作者:
Hsin-Hsiung Huang
Hsin-Hsiung Huang的其他文献
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{{ truncateString('Hsin-Hsiung Huang', 18)}}的其他基金
ATD: Collaborative Research: Real-Time Network Pattern Change Detection
ATD:协作研究:实时网络模式变化检测
- 批准号:
1924792 - 财政年份:2019
- 资助金额:
$ 10万 - 项目类别:
Standard Grant
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