An introduction to database systems: vol. I (4th ed.)
An introduction to database systems: vol. I (4th ed.)
The role of frame-based representation in reasoning
Communications of the ACM
Artificial intelligence
A history and evaluation of System R
Communications of the ACM
Efficient processing of interactive relational data base queries expressed in logic
VLDB '81 Proceedings of the seventh international conference on Very Large Data Bases - Volume 7
An examination of a frame-structured representation system
IJCAI'79 Proceedings of the 6th international joint conference on Artificial intelligence - Volume 2
HPRL: a language for building expert systems
IJCAI'83 Proceedings of the Eighth international joint conference on Artificial intelligence - Volume 1
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Three methods for representing data in a relational storage system with an in-core frame-based system are experimented with and reported upon. Tradeoffs among these three representational methods are sizes of databases, times for loading data, and performance of queries. Essentially, these methods differ in ways of capturing relationships among frames. The three different ways of capturing such relationships are via links (pointers), symbolic names (keys), or both. Results of the experiments shed light on efficient interfacing of databases with frame-based systems.