Modeling concepts for VLSI CAD objects
ACM Transactions on Database Systems (TODS)
The object-oriented integration methodology of the Cadlab work station design environment
DAC '89 Proceedings of the 26th ACM/IEEE Design Automation Conference
Object type oriented data modeling for VLSI data management
DAC '88 Proceedings of the 25th ACM/IEEE Design Automation Conference
A version server for computer-aided design data
DAC '86 Proceedings of the 23rd ACM/IEEE Design Automation Conference
Meta data management in the NELSIS CAD framework
DAC '90 Proceedings of the 27th ACM/IEEE Design Automation Conference
Design flow management in the NELSIS CAD framework
DAC '91 Proceedings of the 28th ACM/IEEE Design Automation Conference
obTIOS: a CAx-framework service for building concurrent engineering environments
SDE 5 Proceedings of the fifth ACM SIGSOFT symposium on Software development environments
A flexible access control mechanism for CAD frameworks
EURO-DAC '94 Proceedings of the conference on European design automation
Modeling design tasks and tools: the link between product and flow model
DAC '97 Proceedings of the 34th annual Design Automation Conference
A customizable shared information space to support concurrent design
Computers in Industry - Special issue: CSCW in design
A hardware design system based on object-oriented principles
EURO-DAC '91 Proceedings of the conference on European design automation
A PN-based approach to the high-level synthesis of digital systems
Integration, the VLSI Journal
A PN-based approach to the high-level synthesis of digital systems
Integration, the VLSI Journal
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In this paper we present the principles of the architecture of a CAD framework that puts a substantial added-value under the fingertips of the designer by organizing the design information and keeping track of the design evolution, and in addition permits integration of tools of different origin and achieves run-time efficiency.We provide a rationale for partitioning the design information into raw data and meta data, then we model the meta data and define the architecture of the framework. Key features of this framework are its high level services for tool integration and extensive browsing facilities for the designer. The principles presented have been implemented in the Nelsis IC Design System in which they have proven their usefulness and efficiency.