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III: Small: AegisDB: Integrated Real-Time Geo-Stream Processing and Monitoring System: A Data-Type-Based Approach

III: Small: AegisDB: Integrated Real-Time Geo-Stream Processing and Monitoring System: A Data-Type-Based Approach
III:小型:AegisDB:集成实时地理流处理和监测系统:基于数据类型的方法
批准号:
1017926
负责人:
Yan Huang
金额:
$45.06万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2010
资助国家:
美国
项目状态:
已结题
起止时间:
2010-09-01 至 2014-08-31

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中文摘要
翻译
该项目为激动人心的地质流处理领域做出了贡献。具体地说,将建立一个称为AegisDB的综合实时地理信息流处理和监测系统,并将利用研究环境和成果来刺激K-12、本科生和研究生的学习。AegisDB系统包括Geo-Stream Algebra,它使用基于数据类型的方法来表示和查询地理流,而不是传统的基于元组的方法。代数的流数据类型统一了静态数据、传统流、来自固定位置的地理流和移动的地理流。所提出的聚集代数将算子群推广到广义聚集(GAS),并弥合了来自传感器的点观测和时空连续现象之间的基本差距。提出了几种新的以空间为中心的运算符优化技术,包括利用大多数移动对象的物理限制的基于速度的过滤和基于空间覆盖的查询组合,该查询组合基于预期的空间覆盖来组合地理流查询。其结果是,专业人士和普通公众可以显著改进对与我们生活相关的重要时空事件的实时访问。该系统将在交通、环境科学、危险监测和应急响应等重要领域发挥关键作用。该项目有很强的教育和宣传部分。将使用实时环境数据集为K-12教师和学生设计环境模型。关于如何收集、存储和分发环境数据的非正式会议将通过北卡罗来纳大学榆树分叉教育中心的家庭娱乐科学星期六活动进行。将开发一个关于地质流处理的课程模块。妇女和少数民族将被招募到这项研究项目中。寻找研究机会的本科生将得到指导。有关该项目的更多信息,请参阅项目网页:http://www.cse.unt.edu/~huangyan/AegisDB/
英文摘要
This project contributes to the exciting field of geo-stream processing. Specifically, an integrated real-time geo-stream processing and monitoring system called AegisDB will be built and the research environment and results will be leveraged to stimulate learning at the K-12, undergraduate, and graduate levels. The AegisDB system includes a Geo-Stream Algebra which uses a data-type-based approach as opposed to a traditional tuple-based approach for representing and querying geo-streams. The STREAM data types of the algebra unify static data, traditional streams, geo-streams from fixed locations, and geo-streams that move. The proposed Aggregate Algebra generalizes the operator GROUP BY to generalized aggregations (GAs) and bridges the fundamental gap between point observations from sensors and spatio-temporally continuous phenomena. Several novel spatial-centric operator optimization techniques are proposed, which include a velocity-based filtering that utilizes the physical limitations of most moving objects and a spatial-coverage-based query combination that combines geo-stream queries based on their intended spatial coverage.The proposed AegisDB system will transform the ways to define and monitor more sophisticated spatio-temporal events for alerting purposes. The result is the significantly improved realtime access to important spatio-temporal events related to our lives by professionals and the general public. The system will be critical for important domains including transportation, environmental science, hazard monitoring, and emergency responses. This project has strong education and outreach components. Environmental models for K-12 teachers and students using real-time environmental datasets will be designed. An informal session on how to collect, store, and distribute environmental data will be presented through the Family Fun Science Saturday events of the Elm Fork Education Center of UNT. A course module on geo-stream processing will be developed. Women and minorities will be recruited into the research project. Undergraduate students looking for research opportunities will be mentored. For further information concerning this project see the project web page: URL: http://www.cse.unt.edu/~huangyan/AegisDB/
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