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Based on UML and Oracle Spatial Database Design Method

Author: ZuoJiaSheng
Tutor: LiuHongXing
School: Wuhan University of Technology
Course: Computer Science and Technology
Keywords: Conceptual model of spatial database SUML Multiple representation Modeling Tools Model Transformation
CLC: TP311.13
Type: Master's thesis
Year: 2010
Downloads: 191
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Abstract


As information technology continues to be applied to transport, power, military, public security, aviation, urban planning and logistics, and many other areas related to spatial information, spatial data storage, management and analysis of problems to be solved. Since spatial data with position, unstructured, multiple representation and spatial relationships and other characteristics, so the data for the general application of conceptual models (such as the ER model, EER model, etc.) can not satisfy the field of space applications systems conceptual modeling needs . In the direction of spatial data modeling, domestic and foreign experts and scholars made some space concept models and modeling methods, but these spaces conceptual models and modeling methods have some disadvantages. Domestic and foreign experts in the analysis and research, scholars have proposed models and modeling spatial concepts based on the method, this paper proposes a new spatial concept model SUML (Spatial Unified Moldeling Language) and its modeling. SUML model defines three dimensional modeling: structural modeling, spatial modeling and multi-expression modeling, modeling each dimension is orthogonal, that is modeled in one dimension under construction will not be another dimension mold affect behavior. Structural modeling mainly provides general data modeling modeling elements and modeling methods, including classes, attributes and relationships modeled. Spatial modeling is mainly provides spatial data modeling modeling elements and modeling methods, including spatial categories, spatial attributes, spatial relationships and spatial operations such as modeling. Multiple expression modeling is mainly for objects and spatial relationships to model different expressions. In the proposed model, based on SUML, this paper also support the realization of the model modeling tools. Since PowerDesigner modeling tool with powerful modeling capabilities and scalable mechanism for general data modeling provides good support, so this article in PowerDesigner existing functionality based on the use PowerDesigner extension mechanism to extend it makes PowerDesigner modeling to support SUML model elements and modeling methods. In order to meet the needs of practical application, we introduced SUML model elements to ORDB model element mapping rules, also described from SUML model to ORDB model transformation algorithm, and by extending PowerDesigner to implement the algorithm. So extended PowerDesigner modeling tool for conceptual modeling of spatial areas, and supports the concept of mode conversion to Oracle 11g database, the physical model.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Programming > Database theory and systems
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