Stan Shebs wrote:
there are a couple of different approaches. One
is to
create categories for every conjunction of categories - if you
have
"hotels" and "museums" and
"Ohio", that means you should have
"hotels
in Ohio" and "museums in Ohio"
categories.
I favour this approach. Without it, [[Category:Museums]] would
contain
*all* museums in the world (millions!), and [[Category:Ohio]] would
contain absolutely *everything* about Ohio (cities, museums,
exhibitions, operas, theatres, cinemas, railways, bus lines,
sightseeing, TV stations, and all sorts of other unrelated things).
That is simply bad database design. A user should be able to select
[Museums]
WITHIN [Ohio] or just [Museums] or even just [Ohio]. Otherwise
different tags
will be needed for all possible combinations of museums, sport
stadiums, or
amusement parks in every single area of the world. It would be much
better to
have tags for the places and tags for things. Let the user decide
what
combination of variables he or she wants to select. That will require
an
advanced search capability to be added to MediaWiki, but I assume
that was
planned anyway.
-- Daniel Mayer (aka mav)
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