Consistent updates in dual representation systems
Proceedings of the fifth ACM symposium on Solid modeling and applications
A methodology and system for preserving digital data
Proceedings of the 2nd ACM/IEEE-CS joint conference on Digital libraries
Design Repositories: Engineering Design's New Knowledge Base
IEEE Intelligent Systems
An architecture for universal CAD data exchange
SM '03 Proceedings of the eighth ACM symposium on Solid modeling and applications
An intelligent assistant for interactive workflow composition
Proceedings of the 9th international conference on Intelligent user interfaces
Trustworthy 100-year digital objects: Evidence after every witness is dead
ACM Transactions on Information Systems (TOIS)
One-dimensional selections for feature-based data exchange
Proceedings of the 2005 ACM symposium on Solid and physical modeling
Trustworthy 100-year digital objects: durable encoding for when it's too late to ask
ACM Transactions on Information Systems (TOIS)
Principles for digital preservation
Communications of the ACM - Next-generation cyber forensics
Experience in the exchange of procedural shape models using ISO 10303 (STEP)
Proceedings of the 2006 ACM symposium on Solid and physical modeling
MASON: A Proposal For An Ontology Of Manufacturing Domain
DIS '06 Proceedings of the IEEE Workshop on Distributed Intelligent Systems: Collective Intelligence and Its Applications
Integrated feature-based and geometric CAD data exchange
SM '04 Proceedings of the ninth ACM symposium on Solid modeling and applications
Shape sensitivity of constructive representations
Proceedings of the 2007 ACM symposium on Solid and physical modeling
Tracking topological changes in feature models
Proceedings of the 2007 ACM symposium on Solid and physical modeling
Investigating ontology development for engineering design support
Advanced Engineering Informatics
Shape sensitivity of constructively represented geometric models
Computer Aided Geometric Design
BIM Handbook: A Guide to Building Information Modeling for Owners, Managers, Designers, Engineers and Contractors
Sustaining accessibility of information through digital preservation: A literature review
Journal of Information Science
Information Resources Management Journal
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Digital preservation is the mitigation of the deleterious effects of technology obsolescence, media degradation, and fading human memory. For engineering, design, manufacturing, and physics-based simulation data this requires formats that are semantically accessible for 30-to-50 year lifespans. One of the fundamental challenges is the development of digital geometry-centric engineering representations that are self describing and assured to be interpretable over the long lifespans required by archival applications. This paper introduces the challenge of long-term preservation of digital geometric models. We describe a digital preservation case study for an engineering model which required, for just a single part, over 3.5 GB of data, including 39 file formats and over 750 distinct model and shape files. Based on lessons learned in this case study, we present a framework for enhancing the preservation of geometry-centric engineering knowledge. This framework is currently being used on a number of projects in engineering education.