applications software metadata

[Sebastien Derriere]

> The prime distinction will need to be between apps requiring intermediate user intervention 
> (GUI-type apps being the obvious extreme) and those which can be executed automatically 
> (eg as part of a workflow) with all user intervention completed before the app is
> submitted.

  Hi Tony,

  I totally agree that this is an essential distinction to be made:
distinguish
which applications can be run without human interaction, and those that
require/
allow human interaction (via a GUI or command line input).
  But the distinction might not be always that easy:
- Aladin, if described as a single application, can be used both as an
interactive
tool, or be run with script command without interface, and possibly
included in a
pipeline
- we might need to think about ways of having hierarchical entries in
the registry,
to avoid having a fully 'flat' registry, with specific apps registered
at the same 
level as general tools: what if someone decides to register every
function of the 
IDL-Astrolib library of functions as individual applications? These
functions would 
get registered at the same level as the IDL application itself?

Sebastien.


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