Choosing classes in conceptual modeling
Lacking accepted rules for creating or evaluating classes that represent human knowledge of a particular domain, modelers can turn...
Comparing data modeling formalisms
Accurate specification and validation of information requirements is critical to the development of organizational information systems. Semantic data models...
An information-theoretic analysis of worst-case redundancy in database design
Normal forms that guide the process of database schema design have several key goals such as elimination of redundancies...
A normal form for relational databases that is based on domains and keys
A new normal form for relational databases, called domain-key normal form (DK/NF), is defined. Also, formal definitions of insertion...
A graph-theoretic approach to map conceptual designs to XML schemas
We propose a mapping from a database conceptual design to a schema for XML that produces highly connected and...
Multivalued dependencies and a new normal form for relational databases
A new type of dependency, which includes the well-known functional dependencies as a special case, is defined for relational...
Conceptual schema analysis: techniques and applications
The problem of analyzing and classifying conceptual schemas is becomig increasingly important due to the availability of a large...
Representing extended entity-relationship structures in relational databases: a modular approach
A common approach to database design is to describe the structures and constraints of the database application in terms...
Hierarchical schemata for relational databases
Most database design methods for the relational model produce a flat database, that is, a family of relations with...
EAS-E: an integrated approach to application development
EAS-E (pronounced EASY) is an experimental programming language integrated with a database management system now running on VM/370 at...
