On Mon, 2005-11-28 at 14:27 +0000, Mike Taylor wrote:

> > A cleaner version is:
> >
> > marc.245$a = "Smith"
> > prox/unit=element/distance=0
> > marc.245i1 = "4"
> >
> > See also the discussion on the ZeeRex context set concerning
> > searching for attributes with an attribute set.
>
> Hands up everyone who's actually implemented prox/unit=element/distance=0?

Me. It's relatively straight forward. You simply store an additional
field with an identifier for the element in which the term appears.

A more telling question is who has implemented any sort of proximity,
let alone element based.

Rob


--
Dr Robert Sanderson
Dept of Computer Science, University of Liverpool
Home: http://www.csc.liv.ac.uk/~azaroth/
Cheshire: http://www.cheshire3.org/