An extension of relational algebra for summary tables Read more about An extension of relational algebra for summary tables
Summary-table-by-example: A database query language for manipulating summary data Read more about Summary-table-by-example: A database query language for manipulating summary data
SSDB-an architecture for statistical databases Read more about SSDB-an architecture for statistical databases
On the cyclic to acyclic scheme transformation and solving cyclic queries Read more about On the cyclic to acyclic scheme transformation and solving cyclic queries
On determining tree query membership of a distributed query Read more about On determining tree query membership of a distributed query
Unifying functional and multivalued dependencies for relational database design Read more about Unifying functional and multivalued dependencies for relational database design
Notions of Dependency Preservation for Nested Relations. Read more about Notions of Dependency Preservation for Nested Relations.
Non-deterministic modelling of logical queries in deductive databases Read more about Non-deterministic modelling of logical queries in deductive databases
Logical design of relational database schemes Read more about Logical design of relational database schemes