Smalltalk-80: the language and its implementation
Smalltalk-80: the language and its implementation
IEEE Computer Graphics and Applications
UNDO and REDO operations for solids modeling
IEEE Computer Graphics and Applications
An object-oriented data model for managing computer-aided design and computer-aided manufacturing data bases
On integrating logic programming and databases
Proceedings from the first international workshop on Expert database systems
An analysis of geometric modeling in database systems
ACM Computing Surveys (CSUR)
Hierarchical Data Structures and Algorithms for Computer Graphics. Part I.
IEEE Computer Graphics and Applications
KA&Dgr;MO&Sgr;: a clausal language for CAD Modeling systems with morphological constraints
Computer Graphics Forum
Database abstractions: aggregation and generalization
ACM Transactions on Database Systems (TODS)
Database abstractions: aggregation
Communications of the ACM
A Prolog Interface to a Functional Data Model Database
EDBT '88 Proceedings of the International Conference on Extending Database Technology: Advances in Database Technology
Database model for design data
ACM SIGPLAN OOPS Messenger
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In this paper we present an engineering data management system, that is a database which is supposed to store and support the manipulation of data about solid geometry objects. Some technical aspects are particularly addressed, which are related to the modeling environment, system architecture and data manipulation language.