Semantic constraints on the connections among tuple components in non-normal-form models

Interactions between dependencies and nested relational structures

Journal of Computer and System Sciences

Non first normal form relations: An algebra allowing data restructuring

Journal of Computer and System Sciences

A new normal form for nested relations

ACM Transactions on Database Systems (TODS)

A DBMS prototype to support extended NF2 relations: an integrated view on flat tables and hierarchies

SIGMOD '86 Proceedings of the 1986 ACM SIGMOD international conference on Management of data

Extended algebra and calculus for nested relational databases

ACM Transactions on Database Systems (TODS)

A homogeneous relational model and query languages for temporal databases

ACM Transactions on Database Systems (TODS)

Nested historical relations

SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data

Proximity relations in the fuzzy relational database model

Fuzzy Sets and Systems

A uniform approach toward handling atomic and structured information in the nested relational database model

Journal of the ACM (JACM)

A method for constructing generalized non-normal-form models

CSC '91 Proceedings of the 19th annual conference on Computer Science

Remarks on the algebra of non first normal form relations

PODS '82 Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems

Theory of Relational Databases

Theory of Relational Databases