AN OBJECT-RELATIONAL IFC STORAGE MODEL BASED ON ORACLE DATABASE

被引:13
作者
Li, Hang [1 ]
Liu, Hua [1 ]
Liu, Yong [1 ]
Wang, Yuan [1 ]
机构
[1] Wuhan Univ, Sch Urban Design, Wuhan, Hubei Province, Peoples R China
来源
XXIII ISPRS Congress, Commission II | 2016年 / 41卷 / B2期
关键词
IFC; Object-Relational; ORDBMS; Oracle; Storage;
D O I
10.5194/isprsarchives-XLI-B2-625-2016
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
With the building models are getting increasingly complicated, the levels of collaboration across professionals attract more attention in the architecture, engineering and construction (AEC) industry. In order to adapt the change, buildingSMART developed Industry Foundation Classes (IFC) to facilitate the interoperability between software platforms. However, IFC data are currently shared in the form of text file, which is defective. In this paper, considering the object-based inheritance hierarchy of IFC and the storage features of different database management systems (DBMS), we propose a novel object-relational storage model that uses Oracle database to store IFC data. Firstly, establish the mapping rules between data types in IFC specification and Oracle database. Secondly, design the IFC database according to the relationships among IFC entities. Thirdly, parse the IFC file and extract IFC data. And lastly, store IFC data into corresponding tables in IFC database. In experiment, three different building models are selected to demonstrate the effectiveness of our storage model. The comparison of experimental statistics proves that IFC data are lossless during data exchange.
引用
收藏
页码:625 / 631
页数:7
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