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id DDSS2006-HB-447
authors G. Arthaud and J.C. Lombardo
year 2006
title Automatic Semantic Comparison of STEP Product Models - Application to IFC product models
source Van Leeuwen, J.P. and H.J.P. Timmermans (eds.) 2006, Innovations in Design & Decision Support Systems in Architecture and Urban Planning, Dordrecht: Springer, ISBN-10: 1-4020-5059-3, ISBN-13: 978-1-4020-5059-6, p. 447-463
summary This paper introduces an original method to compare IFC models and more generally any STEP models. Unlike common 'diff-like' tools which compare textual files by proceeding line against line, our approach compares actual graphs created from STEP-files. Therefore added, removed, and changed objects can be tracked between two versions of the model. Besides, this standalone tool does not need any heavy database to work so it is fully adapted to design methods of construction projects, where actors are free to modify a local version of their project without any dependence on the database. Moreover it is reusable for other industrial fields thanks to its compatibility with any STEP model. This tool is a part from a more global project which tends to improve accessibility and sustainability of IFC therefore it can be used as a support for VR based design tools.
keywords Industry Foundation Classes (IFC), STEP models, EXPRESS language, Semantic comparison, Design process
series DDSS
full text file.pdf (756,665 bytes)
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last changed 2006/08/29 10:55
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