Name-Value Pair

Designers often desire an open-ended data structure that allows for future extension without modifying existing code or data. In such situations, all or part of the data model may be expressed as a collection of tuples (attribute name, value); each element is an attribute-value pair.

http://en.wikipedia.org/wiki/Attribute-value_pair

Triple Store, Semi Structured Data

Properties Pattern? 2008-10-25-YeggeProperties Pattern