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Open AccessArticle

A Service-Oriented Architecture for Proactive Geospatial Information Services

by Haifeng Li 1 and Bo Wu 2,*
School of Geosciences and Info-Physics, and School of Civil Engineering, Central South University, 22 Shaoshan South Road, Changsha 410004, China
Department of Land Surveying & Geo-Informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
Author to whom correspondence should be addressed.
Future Internet 2011, 3(4), 298-318;
Received: 18 November 2011 / Revised: 12 December 2011 / Accepted: 15 December 2011 / Published: 19 December 2011
(This article belongs to the Special Issue Internet and Landscapes)
The advances in sensor network, linked data, and service-oriented computing has indicated a trend of information technology, i.e., toward an open, flexible, and distributed architecture. However, the existing information technologies show a lack of effective sharing, aggregation, and cooperation services to handle the sensors, data, and processing resources to fulfill user’s complicated tasks in near real-time. This paper presents a service-orientated architecture for proactive geospatial information services (PGIS), which integrates the sensors, data, processing, and human services. PGIS is designed to organize, aggregate, and co-operate services by composing small scale services into service chains to meet the complicated user requirements. It is a platform to provide real-time or near real-time data collection, storage, and processing capabilities. It is a flexible, reusable, and scalable system to share and interoperate geospatial data, information, and services. The developed PGIS framework has been implemented and preliminary experiments have been performed to verify its performance. The results show that the basic functions such as task analysis, managing sensors for data acquisition, service composition, service chain construction and execution are validated, and the important properties of PGIS, including interoperability, flexibility, and reusability, are achieved. View Full-Text
Keywords: geospatial information service; linked service; service-oriented architecture; service chain geospatial information service; linked service; service-oriented architecture; service chain
MDPI and ACS Style

Li, H.; Wu, B. A Service-Oriented Architecture for Proactive Geospatial Information Services. Future Internet 2011, 3, 298-318.

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