Described potential relations go in both directions and need to be named. Some relations
Described potential relations go in both directions and need to be named. Some relations
are predefined by the "within" DDI structure, like question and answer or variable and question. Other relations connect DDI documents, like variable in waves. Other relations go
are predefined by the "within" DDI structure, like question and answer or variable and question. Other relations connect DDI documents, like variable in waves. Other relations go
to outside elements, like variable is tagged by a controlled vocabularies.
to outside elements, like variable is tagged by a controlled vocabularies.
Important: I would like to focus on relations by use cases, described below.
### Variables
### Variables
- source variable is the same variable as in the target study (wave)
- source variable is the same variable as in the target study (wave)
...
@@ -32,11 +33,13 @@ to outside elements, like variable is tagged by a controlled vocabularies.
...
@@ -32,11 +33,13 @@ to outside elements, like variable is tagged by a controlled vocabularies.
## Use cases starting point
## Use cases starting point
- within DDI file linking (necessary)
### Within DDI file linking (necessary)
*programatically (Indexer, fillTree, Export)
*question order: Show in the search interface the context of the
- Relations outsite of DDI file (waves of variables)
### Relations outsite of DDI file (waves of variables)
