[Data-modeling] Astronomy: CelestialObjects andNaturalSatellites

[Ed Laurent]

That's where a more generic "Professional athlete" type could come in. A
"Sport" property on it could be reciprocated with a "Players" property on
the sport. "Position" would be a little trickier but might work using
disambiguation.

-Ed

On Sun, May 4, 2008 at 12:40 AM, Jeff Thompson <jeff at thefirst.org> wrote:

> Ed Laurent wrote:
> > I don't think the name "Type" has much to do with it. Baseball and
> > Basketball player aren't bad names if they contain properties that are
> > universal to all baseball or basketball players and no one else. I would
> > personally create a more generic "Professional sports player" type
> > co-typed with "Team member" and the "Baseball player" type. It's
> > properties like "Current team" on a very specific type (i.e., Baseball
> > player) that tend to cause these conflicts.
>
> The problem is that, while Babe Ruth is typed as Baseball Player,
> http://www.freebase.com/view/en/babe_ruth
> there is no property which connects him to Baseball
> http://www.freebase.com/view/guid/9202a8c04000641f800000000000a21e
>
> This means that you cannot do even a simple query like
> "people born in Baltimore before 1900 and the sport they play".
>
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