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《Journal of Jiangxi Normal University (Natural Sciences Edition)》 2005-06
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The Simple and Easy Algorithm in a Kind of Improved Area and Four Forks Tree Space Search

QIN Zheng-kun~1,WANG Sheng-sheng~2(1.College of Computer Science,Jilin Normal University,Siping Jilin 136000,China;2.College of Computer Science,Jilin University,Changchun Jilin 130000,China)  
This text has finished the improvement area and four fork of tree algorithm,strengthen between system and space compatibility that target searches,have increased the efficiency that the space target searches.And totally realize in the application system,make the good result.
【Fund】: 国家“863”高技术研究开发计划基金项目(2003AA118020)
【CateGory Index】: P208
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1 WU Jing~1,CHENG Peng-gen~1,CHEN Fei~2,MAO Jian-hua~3(1.Department of Surveying,East China Institute of Technology,Fuzhou 344000,China;2.School of Economics and Management,Nanchang University,Nanchang 330047,China;3.Institute of City and Environment Sciences,Jiangxi Normal University,Nanchang 330027,China);Qualitative Reasoning for Direction Relation of Spatial Objects[J];Acta Geodaetica et Cartographica Sinica;2006-02
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