Applying SOA in Refactoring of Classic Spatial Decision Workflow - A Case Study of the Project “The digitization of identifying the landuse-level of mountainside lands ” of Taipei City
Date Issued
2008
Date
2008
Author(s)
Yi, Chih-Chung
Abstract
Service Oriented Architecture (SOA) is an oncoming system architecture model. This service-based architecture model was widely applied in improving the Infoamation Technology (IT) architecture of enterprises in the past few years. SOA is used to reach a goal of promoting the flexibility of enterprise-appplications. Spatial decision-making processes have always involved distributed geographic data and extracted spatial information, and need the collaboration of departments. So it becomes an issue for GIS applications to discuss about how to apply SOA to improve the traditional workflow of Spatial decision-making.his paper applies the technology of implementing SOA in IT domains such as WebService technology. Furthermore, this study places emphasis on the workflow aspect of SOA and combines the technology standards of workflow modeling language such as BPEL.In this paper we take the project “The digitization of identifying the landuse-level of mountainside lands ” of the DED (Dapartment of Economic Development) of Taipei City Government for case-study to discuss the refactoring of classic spatial decision-making processes and architecture.lso,this paper discusses the issues of service chain, granularity,reuse, and the particularity of spatial service unit.In the general IT environment, it often probes SOA from People, Process, Information, Connectivity and Reuse viewpoints. From these viewpoints, we examined the spatial business workflow mostly based on public departments and discovered that the combination of GIS and SOA solves the duplication resource problems and improves the reuse and flexibility. In the process of study, the special characteristics between spatial and common IT business were also generalized.. This study offers reference for traditional spatial decision-making workflow that is refactoring to SOA.
Subjects
service oriented architecture
work flow
refactoring
spatial decision-making,
web service
Type
thesis
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