NDLI: Geospatial Workflow in a Sensor Web Environment: Transactions, Events, and Asynchrony

Content Provider	IEEE Xplore Digital Library
Author	Genong Yu Liping Di Moses, J.F. Peichuan Li Peisheng Zhao
Copyright Year	2008
Description	Author affiliation: NASA Goddard Space Flight Center, Greenbelt, MD (Moses, J.F.) \|\| Center for Spatial Inf. Sci. & Syst., George Mason Univ., Greenbelt, MD (Genong Yu; Liping Di; Peichuan Li; Peisheng Zhao)
Abstract	Geospatial processing has been extended to the Web environment. In conjunction with observations fed from live sensors, workflows can be used to connect the sensors observations to the product at the user's end. In the work described in this paper, the Business Process Execution Language (BPEL) was used as a script language to describe workflows. OGC Sensor Web Enablement specifications have been used to enable the retrieval of sensor observations, implementation of geospatial processing services, and integration of Web processing services. The framework developed was used to study a case of severe weather detection and tracking. The OGC Web Coverage Service (WCS) and Web Feature Service (WFS), both with transaction support, are used to manage satellite observations and geographic features. The OGC Web Processing Service (WPS) is used to manage geospatial processing services. The resulting workflow demonstrated the reusability of geospatial Web services, the capability for transactions and asynchrony, and the efficiency of parallelism and distributed computing.
File Size	196000
File Format	PDF
ISBN	9781424428076
DOI	10.1109/IGARSS.2008.4780045
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-07-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Web services Search engines Distributed computing Feeds Information science NASA Satellites Parallel processing Sensor systems Weather forecasting event-driven system Interoperability Sensor Web asynchrony transaction
Content Type	Text
Resource Type	Article

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