The point wasn't that you can't (or should be prevented) from doing such
workarounds; however, the fact that it is a workaround/abuse illustrates
that we aren't really recreating the notion of attribute vectors.

If we want to allow proper attribute vectors we should do so explicitly
not via a workaround.

Matthew 

> -----Original Message-----
> From: Z39.50 Next-Generation Initiative [mailto:[log in to unmask]] 
> On Behalf Of Robert Sanderson
> Sent: Monday, September 15, 2003 6:18 PM
> To: [log in to unmask]
> Subject: Re: CQL Profiling Proposal
> 
> > > > I'm suggesting this so that we completely disabuse 
> ourself of the
> > > > illusion that we're recreating the notion of attribute vectors.
> > > Eh?  Why would that be an illusion?
> 
> > Well for starters you can't create a new class of attributes in a
> > context/index set/profile. For instance, the concept of 
> modifiers (as
> > opposed to the list of applicable modifiers) has to be 
> introduced in the
> > CQL itself rather than in a profile/set
> 
> You could (I'm definitely not saying should!) do:
>         dc.title =/3.1/4.1/5.100/6.3 "fish"
> 
> By defining 3,4,5 and 6 as context sets which mirror the bib1 
> attributes.
> But you wouldn't want to unless you were completely obsessed 
> with BIB1.
> Normal people would say:  dc.title exact "fish"
> 
> So no, you couldn't create a new top level beasty, but you 
> could abuse the
> relation modifiers quite a lot into looking like such a beasty.
> But if people MUST do this, then who am I to say that they absolutely
> can't? It won't be interoperable, but we won't have to support it. At
> least this way I can reject the query if someone sends it to me saying
> that the server doesn't support the context set, rather than 
> saying that
> the query is just totally invalid.
> 
> Rob
> 
> --
>       ,'/:.          Dr Robert Sanderson ([log in to unmask])
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