Coordination Through Geospatial Web Service Workflow in the Sensor Web Environment

被引：13
|
作者：
Yu, Genong [1 ]
Di, Liping [1 ]
Zhang, Bei [1 ]
Wang, Huilin [1 ]
机构：
[1] George Mason Univ, Ctr Spatial Informat Sci & Syst, Greenbelt, MD USA
来源：
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING | 2010年 / 3卷 / 04期
基金：
美国国家航空航天局;
关键词：
Sensor web; workflow; event driven system; earth science model; web service; ARCHITECTURE;
D O I：
10.1109/JSTARS.2010.2049477
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The Sensor Web connects live sensors and Earth Science models (ESM). A workflow is one approach for designing, implementing, and constructing a live link between sensors and ESM. The Sensor Web consists of many individual Web services. A workflow coordinates them to enable bi-directional connectivity between sensors and ESMs. This study uses Business Process Execution Language as the base scripting language to design, author, deploy, and execute workflows. Message-level coordination mechanisms are developed, implemented, and demonstrated in two scenarios-bird migratory modeling and georeferenceable imagery workflow. The advantage of message-level coordination is shortcutting the data flow.
引用
收藏
页码：433 / 441
页数：9
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