Algebraic support for complex objects with arrays, identity, and inheritance
SIGMOD '91 Proceedings of the 1991 ACM SIGMOD international conference on Management of data
Converting nested algebra expressions into flat algebra expressions
ACM Transactions on Database Systems (TODS)
On the unification of query algebras and their extension to rational tree structures
ADC '01 Proceedings of the 12th Australasian database conference
Metadata handling: A video perspective
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Cloud algebra for cloud database management system
Proceedings of the Second International Conference on Computational Science, Engineering and Information Technology
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We define an algebra that synthesizes relational query concepts with object-oriented databases. The algebra fully supports abstract data types and object identity while providing associative access to objects, including a unique join capability. The operations take an abstract view of objects and access typed collections of objects through the public interface defined for the type. The algebra supports access to relationships implied by the structure of the objects, as well as the definition and creation of new relationships between objects. The structure of the algebra and the abstract access to objects offer opportunities for query optimization.