[kepler-users] semantic actor suggestion

[Chris Weed]

What about the Semantic Search functionality?
This looks similar to what I am interested in, but when I try to do a
search I get "No search criteria specified"
I really expect that this would return a result for the search I specified.
Chris

On Wed, Jul 1, 2009 at 1:48 PM, Shawn Bowers<sbowers at ucdavis.edu> wrote:
> Hi Chris,
>
> Most of the semantic annotation code is now a bit old (3-4 yrs), and
> was a prototype. Prior to this version we actually had an approach
> based on a SPARQL implementation, however, it was decided that Kepler
> should adopt an "object manager" approach, which stores actors and
> actor metadata (including semantic annotations of actors) using MoML
> and within a relational (in-memory) db. So, SPARQL wouldn't work for
> this, unless we went to an RDF approach for representing annotations,
> metadata, etc. Another problem with SPARQL (I think this is what you
> meant) at least from my experience is that it is more focussed on
> querying resources and their properties, and less useful for querying
> over class definitions. The latter requires a reasoner (like Pellet,
> Fact++, etc.). Finding actors based on their semantic types is all
> about matching class definitions, and not about searching for class
> instances.
>
> Anyway, we are currently in the process of revamping the annotation
> interfaces to make it easier and hopefully more obvious to folks that
> actors (and their ports) can be tagged (e.g., a draft plan for this is
> here: https://kepler-project.org/developers/incubation/GUI/kepler-tagging).
> So far, zero Kepler actors have their ports annotated. But perhaps
> with some UI changes more actors will be annotated, etc.  We are also
> making changes so that basic types of ontology creation and editing
> are exposed and available from within Kepler. Again, this might make
> the annotation capabilities more usable.
>
> If you would like to help with any of this (designing and/or implement
> ui's, designing apis, suggesting features, architecture, technology's,
> etc.) that would be awesome!
>
> Shawn
>
> On Wed, Jul 1, 2009 at 10:18 AM, Chris Weed<chrisweed at gmail.com> wrote:
>> Hi,
>> I have a few questions about the semantic annotation functionality.
>> I noticed in the semantic search browser it displays the properties,
>> but I wasn't sure if it used that for doing searches.
>>
>> Also, I was looking through the code for performing the semantic actor
>> suggestion,
>> and it looks like it uses a hand-coded matching algorithm instead of a SQARQL
>> based inference engine. Would it make sense to update this functionality
>> which would allow more sophisticated searches with properties.
>>
>> Chris
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>>
>