Modeling concepts for VLSI CAD objects
ACM Transactions on Database Systems (TODS)
Modeling and Managing CAD Databases
Computer - The FAA's Advanced Automation Program
Effective data management for VLSI design
DAC '85 Proceedings of the 22nd ACM/IEEE Design Automation Conference
Reuse of design objects in CAD frameworks
ICCAD '94 Proceedings of the 1994 IEEE/ACM international conference on Computer-aided design
Data model for extensible support of explicit relationships in design databases
The VLDB Journal — The International Journal on Very Large Data Bases
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The issues that must be addressed before commercial database management systems can be used to manage VLSI CAD data are defined. A survey is presented of approaches addressing four of the defined issues: design hierarchies and multilevel representations, design alternatives and version control, common interface between cell libraries and efficient cell selection based on given design constraints. A frame-based model is considered as a case study of the special-purpose design database management system approach. This framework for capturing design data is based on semantic networks. It is well suited for application-specific ICs, yet general enough for other CAD/CAM environments. Benchmark results for the selection algorithms that run on top of the frame-based database system are presented.