Neighborhood/conceptual query answering with imprecise/incomplete data
The evolution of database systems tends to the development of higher degree of user-friendliness such that the system can...
The entity-relationship model for multilevel security
A design environment for security critical database applications that should be implemented by using multilevel technology is proposed. For...
HDM2: Extending the E-R approach to hypermedia application design
The paper is a brief introduction to HDM2, which is the evolution of the Hypertext Design Model HDM ....
Database schema design: A perspective from natural language techniques to validation and view integration
This paper discusses the contribution of natural language techniques to some functions aiming at elaborating the conceptual schema in...
Transformation of requirement specifications expressed in natural language into an EER model
A tool for conceptual design is introduced which transforms requirement specifications in natural language into concepts of the EER...
A commonsense reasoning facility based on the entity-relationship model
Various expert systems have been developed that attempt to automate the database design process. Although these systems may have...
DETERM: Deterministic Event-Tuned Entity-Relationship Modeling
This paper addresses the issue of modeling alternatives in entityrelationship modeling. A method is presented which allows to choose...
A semantic comparison of the modelling capabilities of the ER and NIAM models
Conceptual design (conceptual modelling) is the most important phase in database design as it results in a conceptual schema,...
From entity-relationship models to role-attribute models
This paper is a short presentation of the SOM (Semantic Object Model) approach. SOM was created to fulfill two...
Design and implementation of derived entities
To allow an utilization of database system trigger mechanisms and application generators for information systems implementation, entity derivation is...
