[mdx] MDX & expressing communites-of-interest

[Josh Howlett]

> Of course, until end entities can understand this, a metadata 
> publisher might need to transform such things into something 
> that would work for their subscribers by, for example, 
> turning them into some kind of tag on the individual 
> entities.

Isn't an aggregate representing the members of a community GET'd from a
well-known location more likely to match current metadata distribution
practices? It seems more scalable also, in that entities can be divided
into smaller distinct aggregates, rather than published within a single
mega-aggregate.

josh.

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