Note on resource metadata XML schemas

[Ray Plante]

Hi RWGers,

On behalf of the NVO project, I've submitted an IVOA Note called "Lessons 
Learned Using the VOResource XML Schemas in the NVO"; it can be accessed 
via: 

   http://www.ivoa.net/Documents/latest/RMExp.html

This document focuses on what was difficult about using the schemas in 
their current state, with the intention providing input into a discussion 
of a *possible* revision of the schemas--in particular, to the core model.

It can be argued that if we are to undertake such a revision, it would 
easier to do now rather than later; given our roadmap into the interop 
meeting and through to the end of the year, we will likely find ourselves 
fairly entrenched in the current schemas.  It is my opinion that the only 
way we can practically pull this off is with a highly-focused effort on 
the part of a small group--people who actually developed registries with 
the schema this last year--with the limited goal of making the schemas 
easier to use and not on new features.  

Please keep in mind that the above Note purposely emphasizes the negative 
and under-emphasizes the positive.  It is *not* our intention to claim 
that the schemas are a complete failure; rather, we just want to put the 
issues on the table to see if there is anything we can/should do about it.  

thanks,
Ray