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From Dave Kolas <dko...@bbn.com>
Subject Re: Implementing GeoSPARQL
Date Tue, 03 Apr 2012 17:21:39 GMT
Chris, all,

Just FYI, the GeoSPARQL specification is currently getting final 
approval by the OGC technical committee.  The vote ends on Apr 7, and 
the finished spec should be available shortly after that.

--Dave--

On 4/3/2012 1:11 PM, Rob Battle wrote:
> Chris,
>
> I just wanted to let you know that the Parliament [1] triple store (a triple store that
is built with a Jena interface) has a mostly complete implementation of GeoSPARQL.  We have
implemented the property functions and filter functions for GeoSPARQL on top of our existing
spatial index.  For more info, you can check out [2].
>
> [1] http://parliament.semwebcentral.org
> [2] http://geosparql.bbn.com
>
> -rob
>
> On Apr 2, 2012, at 10:10 PM, Mattmann, Chris A (388J) wrote:
>
>> Thanks for the FYI on this, Lewis!
>>
>> Cheers,
>> Chris
>>
>> On Apr 2, 2012, at 4:29 AM, Lewis John Mcgibbney wrote:
>>
>>> Hi,
>>>
>>> Thought I would chime in here as it's a very interesting thread and I think
>>> this is relevant.
>>>
>>> On Mon, Apr 2, 2012 at 10:01 AM, Paolo Castagna<
>>> castagna.lists@googlemail.com>  wrote:
>>>
>>>> I see two main use cases here:
>>>>
>>>> 1. Crawling the web and build a dataset of statements with locations.
>>>> 2. Indexing a dataset with statements with locations and extend SPARQL to
>>>>   perform queries over it.
>>>>
>>>> For 1. you need Any23|Tika (and a crawler) and, eventually, an RDF store.
>>>>
>>>> I will begin working on this once we release Any23 0.7.0-incubating and
>>> the library is available on maven central. It will be a step in the right
>>> direction to achieving (part) of an overall potential use case as above.
>>> Any23/Tika wrapped plugin for Apache Nutch. It would be really great to
>>> work towards the pluggable datastores as you said Paolo, and yes this is
>>> also something which is required outside of RDF stores, but as you mention
>>> this is another story which we need to focus on separately.
>>>
>>> I'll certainly get in touch when the above is done to update you guys.
>>>
>>> Lewis
>>
>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> Chris Mattmann, Ph.D.
>> Senior Computer Scientist
>> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
>> Office: 171-266B, Mailstop: 171-246
>> Email: chris.a.mattmann@nasa.gov
>> WWW:   http://sunset.usc.edu/~mattmann/
>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> Adjunct Assistant Professor, Computer Science Department
>> University of Southern California, Los Angeles, CA 90089 USA
>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>
>

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