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Coordination Through Geospatial Web Service Workflow in the Sensor Web Environment

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4 Author(s)
Genong Yu ; Center for Spatial Inf. Sci. & Syst., Georege Mason Univ., Greenbelt, MD, USA ; Liping Di ; Bei Zhang ; Huilin Wang

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 short-cutting the data flow.

Published in:

Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of  (Volume:3 ,  Issue: 4 )

Date of Publication:

Dec. 2010

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