Tony.Linde at leicester.ac.uk
Mon Feb 26 12:29:04 PST 2007
The work sounds fascinating, Ed. I've only seen the ontologies you produced - is the
actual project described anywhere in more detail that we could access?
Ed Shaya wrote:
> I can speak to our efforts here at U. of Maryland. The work is
> being done on a specific proposal from NASA/AISRP to create an
> application that allows one to select a goal creating a temporary
> ontological subclass, find transformations that lead to that goal, and
> thereby form a set of routes to the goal. Then queries can be sent out
> to datacenters requesting the various classes that lie along the route.
> The work is focused, yet to enable this functionality the semantics must
> be quite in-depth and hopefully of use for other purposes. For now,
> though, we are working on specific subareas that deal with our use-case
> examples (distances to galaxies, and properties of star clusters).
> I know very little about the effort that Andrea pointed us to.
> There are many similarities, but of course there are also many
> differences. I also have heard nothing about specific timelines for
> semantics be a part of the vo main effort so I assume that we are just
> doing some preliminary explorations of it. It probably would be useful
> if we could combine efforts since the job is quite large, but it is also
> useful to some extent yet keep our separate "competitive" tracks, as you
> say. And since lots of international trips are too expensive for my
> budget, I rely on semantics at ivoa.net for any collaborative work.
> Tony Linde wrote:
>> We now have two (that I know of: any more?) astro ontologies under
>> development: Andrea's and Ed's. Do they both have the same goal or scope?
>> Are they interoperable (if such is possible with ontologies)? Will we
>> need a
>> translator app if one system uses Andrea's and another uses Ed's?
>> I'm all in favour of competing efforts - that's the only way to test
>> ideas -
>> but when should we assess them and what criteria should we assess them
More information about the semantics