
Entity–attribute–value model - Wikipedia
One approach to EAV/CR is to allow columns to hold JSON structures, which thus provide the needed class structure. For example, PostgreSQL, as of version 9.4, offers JSON binary …
Organization of Heterogeneous Scientific Data Using the EAV/CR ...
Mar 26, 1999 · This paper describes an enhancement to EAV representation, called EAV/CR (EAV with classes and relationships), for modeling heterogeneous data and discusses the …
sql - Entity Attribute Value Database vs. strict Relational Model ...
Jan 15, 2017 · It is safe to say that the EAV/CR database model is bad. No, it's not. It's just that they're an inefficient usage of relational databases. A purely key/value store works great with …
Guidelines for the Effective Use of Entity-Attribute-Value …
To introduce the goals of EAV database modeling, to describe the situations where Entity-Attribute-Value (EAV) modeling is a useful alternative to conventional relational methods of …
Exploring Performance Issues for a Clinical Database Organized …
EAV/CR enhances the basic EAV approach by using the object-oriented concepts of “classes” and “relationships” to facilitate data modeling. Classes in EAV/CR are data structures that …
Organization of heterogeneous scientific data using the EAV/CR ...
Entity-attribute-value (EAV) representation is a means of organizing highly heterogeneous data using a relatively simple physical database schema. EAV representation is widely used in the …
Exploring performance issues for a clinical database organized …
Background: The entity-attribute-value representation with classes and relationships (EAV/CR) provides a flexible and simple database schema to store heterogeneous biomedical data. In …
Entity Attribute Value/Class Relation (EAV/CR) and ER Model:
This concept was enhanced by incorporating object oriented technology, which is called Entity Attribute Value/Class Relation–EAV/CR. The main advantage of EAV/CR is to facilitate the …
Organization of Heterogeneous Scientific Data Using the EAV/CR ...
Nov 1, 1999 · Entity-attribute-value (EAV) representation is a means of organizing highly heterogeneous data using a relatively simple physical database schema. EAV representation …
Easing the transition between attribute-value databases and ...
We have previously developed and described a modeling and development framework called EAV/CR, which is appropriate for designing databases containing highly heterogeneous and …