@inproceedings{4b4a6d84e5c7412bb0520fcc2dc21743,
title = "Decomposition of relationships through pivoting",
abstract = "In the literature there are several proposals to map entityrelationship schemas onto object-oriented schemas, but they only treat relationship sets nai'vely or restrict them to binary relationship sets. We follow a different approach in the treatment of relationship sets. Our goal is to let the designer specify relationships of any arity and then to employ semantic constraints to decompose relationships into smaller fragments. The semantic constraints in use are functional constraints, which are defined in the object-oriented framework. The decomposition process guided by functional constraints is similar to the decomposition process in the relational approach with functional dependencies, but it takes advantage of the features provided by the object-oriented data model. In object-oriented schemas it is possible to enforce a certain kind of functional constraints automatically, namely unary functional constraints.",
author = "Joachim Biskup and Ralf Menzel and Torsten Polle and Yehoshua Sagiv",
year = "1996",
doi = "10.1007/bfb0019913",
language = "אנגלית",
isbn = "9783540617846",
series = "Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)",
publisher = "Springer Verlag",
pages = "28--41",
booktitle = "Conceptual Modeling, ER 1996 - 15th International Conference on Conceptual Modeling, Proceedings",
address = "גרמניה",
note = "15th International Conference on Conceptual Modeling, ER 1996 ; Conference date: 07-10-1996 Through 10-10-1996",
}