U-Schema is a unified logical model that integrates the concepts and rules of both the relational model and the four most common NoSQL data models: columnar, document, graph, and key–value.
The repository contains the following projects:
es.um.uschema: The metamodel definition in an ecore file, and the generated java classes for this metamodel.es.um.uschema.utils: Utilities to handle U-Schema models easily, load and store models.es.um.uschema.design: A Sirius Viewpoint project to provide a visual representation of U-Schema models.
List of related publications:
- Carlos Javier Fernández Candel, Diego Sevilla Ruiz, Jesús García Molina, A unified metamodel for NoSQL and relational databases. Information Systems 104: 101898.