Decomposition of Relationships through Pivoting

  title={Decomposition of Relationships through Pivoting},
  author={Joachim Biskup and Ralf Menzel and Torsten Polle and Yehoshua Sagiv},
In the literature there are several proposals to map entity-relationship schemas onto object-oriented schemas, but they only treat relationship sets na vely or restrict them to binary relationship sets. We follow a diierent 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… CONTINUE READING

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