An object-oriented query algebra

Queries and query processing in object-oriented database systems

ACM Transactions on Information Systems (TOIS)

Query evaluation techniques for large databases

ACM Computing Surveys (CSUR)

A pattern-based object calculus

The VLDB Journal — The International Journal on Very Large Data Bases

Query Optimization and Execution Plan Generation in Object-Oriented Data Management Systems

IEEE Transactions on Knowledge and Data Engineering

A Query Algebra for Program Databases

IEEE Transactions on Software Engineering

Interactive example-driven integration and reconciliation for accessing database federations

Information Systems