Graph data model and its data language
Graph data model and its data language
An object-oriented data model formalised through hypergraphs
Data & Knowledge Engineering
ACM Transactions on Database Systems (TODS)
Implementation of a graph-based data model for complex objects
ACM SIGMOD Record
Gram: a graph data model and query languages
ECHT '92 Proceedings of the ACM conference on Hypertext
The entity-relationship model—toward a unified view of data
ACM Transactions on Database Systems (TODS) - Special issue: papers from the international conference on very large data bases: September 22–24, 1975, Framingham, MA
System R: relational approach to database management
ACM Transactions on Database Systems (TODS)
A history and evaluation of System R
Communications of the ACM
A relational model of data for large shared data banks
Communications of the ACM
Extending SQL with General Transitive Closure and Extreme Value Selections
IEEE Transactions on Knowledge and Data Engineering
Extending SQL with Generalized Transitive Closure
IEEE Transactions on Knowledge and Data Engineering
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