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Song准教授（中国科学院）の講演＋新年会（終了）
By admin | 2月 4, 2009
ご参加いただいた方々、ありがとうございました。
講演内容：
・Using Global Planning for Geospatial Web Service Chaining
資料はこちら
・About OSGeo China
資料はこちら
日 時： 2月3日（火）18時半～
場 所： 大阪駅前第2ビル6階 大阪市大梅田サテライトキャンパス 106教室
http://www.gscc.osaka-cu.ac.jp/access/index.html
参加費： 無料 （新年会は有料）
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Using Global Planning for Geospatial Web Service Chaining
With the development of OGC Web Service Program (OWS), WebGIS has progressed towards a service-oriented paradigm that enables a new way to distributed geospatial computing. Many applications require Geo-Processing Workflow (GPW) to take advantage of spatial databases or computing resources distributed over web based their control or task. This report presents a dual-layer framework to implement geo-processing workflow, in which an abstract workflow is defined to represent a user-specific task flowchart and a concrete workflow is automatically orchestrated to bind geospatial web services distributed world wide. Within the framework, we present a tree-coded genetic algorithm (GA) approach to address optimization problems of instantiating abstract workflow as concrete one. The algorithm performance is analyzed through an example and well verified by the result from Linear Integer Programming (ILP).
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