Topic:
fundamental concepts such as type, attributes, relationships are all the same
Topic:
representing a relationship
| |
Summary
A relationship can be represented by an object with its own attributes and relations to other objects. (cbb 1/90)
Subtopic: representing relationships 
| Quote: represent relationships within one thing's record or as a separate record [»kentW_1978]
|
Subtopic: arcs vs. nodes
| Quote: the arcs of a Petri-net are as real as the objects themselves [»holtAW_1979]
|
Subtopic: attributes of relations
| Quote: a relationship instance may have attributes or relationships of its own [»kentW_1978]
| | Quote: if a relationship is an entity then should have an object for the relationship [»kentW_1978]
| | Quote: while relationships typically do not have properties, they may need properties in the future
|
Subtopic: relations as nodes
| Quote: in pseudo-binary model; relationships are nodes and arcs are roles [»kentW_1978]
|
Related Topics
Topic: fundamental concepts such as type, attributes, relationships are all the same (37 items)
Topic: representing a relationship
(28 items)
|
