Weaknesses of commercial data base management systems in engineering applications
DAC '80 Proceedings of the 17th Design Automation Conference
An integrated mask artwork analysis system
DAC '80 Proceedings of the 17th Design Automation Conference
Relational and entity-relationship model databases and specialized design files in VLSI design
DAC '85 Proceedings of the 22nd ACM/IEEE Design Automation Conference
HEX: An instruction-driven approach to feature extraction
DAC '83 Proceedings of the 20th Design Automation Conference
A database approach for managing VLSI design data
DAC '82 Proceedings of the 19th Design Automation Conference
Simplified data structure for “mini-based” turnkey CAD systems
DAC '82 Proceedings of the 19th Design Automation Conference
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If in CAD systems a CODASYL data base system is used, one has to avoid some well known disadvantages. To achieve this, we defined for CAD needs in application programs a special high level data manipulation language (HLDML). With this concept the application programs get independent from the data base structure and they are able to work with a “many records at a time”- view. Other provisions reduced some overhead caused by the used data base system.