On optimizing an SQL-like nested query
ACM Transactions on Database Systems (TODS)
Extending the database relational model to capture more meaning
ACM Transactions on Database Systems (TODS)
Equivalence of Relational Algebra and Relational Calculus Query Languages Having Aggregate Functions
Journal of the ACM (JACM)
Principles of Database Systems
Principles of Database Systems
The Design and Analysis of Computer Algorithms
The Design and Analysis of Computer Algorithms
Access paths in the "Abe" statistical query facility
SIGMOD '82 Proceedings of the 1982 ACM SIGMOD international conference on Management of data
Summary-Table-By-Example: A Database Query Language for Manipulating Summary Data
Proceedings of the First International Conference on Data Engineering
Extending the Algebraic Framework of Query Processing to Handle Outerjoins
VLDB '84 Proceedings of the 10th International Conference on Very Large Data Bases
Abe: a query language for constructing aggregates-by-example
SSDBM'81 Proceedings of the 1st LBL Workshop on Statistical database management
An extension of relational algebra for summary tables
SSDBM'83 Proceedings of the 2nd international workshop on Proceedings of the Second International Workshop on Statistical Database Management
ACM Transactions on Database Systems (TODS)
Time-by-Example Query Language for Historical Databases
IEEE Transactions on Software Engineering
A Relational Calculus with Set Operators, Its Safety, and Equivalent Graphical Languages
IEEE Transactions on Software Engineering
Database systems for programmable logic controllers
SSDBM'1990 Proceedings of the 5th international conference on Statistical and Scientific Database Management
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