[DDI-CDG] Yesterday's minutes

[Joachim Wackerow]

Hi Oliver

re: classifications


Controlled vocabularies will be one of the key concepts at the 
comparison of studies. These controlled vocabularies could be used on 
the different levels of comparison. The DDI should be flexible and 
extensible. Thus we would need external classification schemes to store 
controlled vocabularies in a structural way. By this means we could 
machine process these external ressources. For example a reference to an 
external occupation classification scheme on the variable level (as 
ISCO-88) in a PDF file is indeed an additional information (possible 
with DDI 2.0). Furthermore it would be desirable to process this 
information by programs. For this goal it would be necessary to 
represent the occupation classification scheme according to a general 
XML classification scheme (DTD or XML schema). Then it would be possible 
for example to point into the external XML document to a specific 
occupation code (to pull out further information). One available XML 
classification scheme is CLASET.

Achim


Oliver Watteler wrote:

> Hi everybody!
> 
> Yesterday's minutes are online. There is just one point I did not really 
> understand and which is posed as a question in the paper: what was meant 
> by the classification scheme mentioned?
> Achim and Wendy, you said something about this. Maybe you could explain 
> this briefly, so I can change the minutes at this point.
> 
> To structure the gathering of of information for our two lists I would 
> suggest that I set up a document that is structured along the phases of 
> the survey life cycle. This way we would have a temporal aid for 
> structuring the situations and the elements of possible comparision.
> Would this be helpful?
> 
> Greetings from Cologne,
> Oliver.
>