Conceptual structures: information processing in mind and machine
Conceptual structures: information processing in mind and machine
A language facility for designing database-intensive applications
ACM Transactions on Database Systems (TODS)
Developing a natural language interface to complex data
ACM Transactions on Database Systems (TODS)
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
Database abstractions: aggregation and generalization
ACM Transactions on Database Systems (TODS)
An English language question answering system for a large relational database
Communications of the ACM
Associative Networks: The Representation and Use of Knowledge by Computers
Associative Networks: The Representation and Use of Knowledge by Computers
Definitional Mechanisms for Conceptual Graphs
Proceedings of the International Workshop on Graph-Grammars and Their Application to Computer Science and Biology
A semantic network model of data bases.
A semantic network model of data bases.
Semantics of conceptual graphs
ACL '79 Proceedings of the 17th annual meeting on Association for Computational Linguistics
ACM SIGMIS Database
Special issue on knowledge representation
ACM SIGART Bulletin
A Data Modeling Approach to Simplify the Design of User Interfaces
VLDB '83 Proceedings of the 9th International Conference on Very Large Data Bases
Rule/based statistical calculations on a "Database abstract"
SSDBM'81 Proceedings of the 1st LBL Workshop on Statistical database management
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Knowledge-based systems are data bases with more powerful front ends for dealing with the meaning of data. This paper discusses requirements for a conceptual schema that is general enough to support knowledge bases as well as ordinary data bases. It presents seven features that such a schema must support and evaluates various approaches to data base semantics in terms of them. The AI notations for semantic networks or conceptual graphs are highly general ones that can support all seven features.