International Virtual Observatory Alliance

Difference: IVOATheorySimDBDM (8 vs. 9)

Revision 92009-05-12 - GerardLemson

  META TOPICPARENT 
  name="IvoaTheory"  

This page is devoted to describing the SimDB data model (SimDB/DM from now on).
- META TOPICPARENT
+  name="IvoaTheory"
-<
<
+It is meant to reflect the proposal and incorporate conclusions from the discussions page.
->
>
+ TODO 
 
 OK on approach? 
 analysis(conceptual)->logical->physical
  TAP+XML
 
  Identify main issues of model 
 sufficiently detailed resources?
  characterisation
  normalisation (problem for XML, little for TAP)
  "queriability" (problem for TAP)
  missing semantic vocabularies
  quantities/units
 
  Clean up 
 documentation in the UML
  Description of model in Note
 
  finalise the serialisation to TAP 
 which OR mapping approaches
 
  finalise the serialisation to XML schema 
 multiple packages
  identifiers
 
  reuseby other specs 
 SimDAP
  S3
 
 


 Some scattered notes and remarks 
for historical purposes
  Current model 
As described here all development can be followed on Volute.
Particularly relevant for the discussion on this page is the data model in uml/SimDB_DM.xml.
The previous versions as well as later working versions can be found in the history of this file, as well as its direct predecessor  version r902.
-<
<
+I propose that for the rest of the discussion we limit ourselves to the model in the
->
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+see also It is meant to reflect the proposal and incorporate conclusions from the discussions page.
-<
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+specification subdirectory.

In this page we gather material to support the model.
  Examples of Protocols 
For discussion purposes it will be good to have a list of real protocols, i.e. simulation and post-processing codes and algorithms.

Examples of protocols:

Simulators: 

 Gadget (http://www.mpa-garching.mpg.de/gadget/)
  Enzo ...
  Flash ...
  Nemo ...
  Ramses ...
  L-Galaxies (MPA semi-analytical (SAM) galaxy formation code)
  GalForm (Durham SAM code)
  GalICS (Horizon SAM)
  ...
 

Pure post-processors:
cluster finders 

 FOF cluster finders (various implementations)
  SUBFIND cluster finder (Springel etal 2001, ADS)
  ...
 
others 
 
 



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