[georss] [Fwd: Re: [Opensearch-discuss] Spatio-temporal query extension]

[Pat Cappelaere]

Go Gregor!


> From: "Gregor J. Rothfuss" <gregor at apache.org>
> Date: Wed, 02 May 2007 13:31:10 -0400
> To: "georss at lists.eogeo.org" <georss at lists.eogeo.org>
> Subject: [georss] [Fwd: Re: [Opensearch-discuss] Spatio-temporal query
> extension]
> 
> Allan Doyle wrote:
> 
>>  From the spec, this is as detailed as the search template gets:
>> 
>> template="http://example.com/?q={searchTerms}"
>> 
>> I would say that the geo world wants to define the details of what
>> would go into the "searchTerms" field.
>> 
>> Allan
> 
> 
> now is the time to bring this up again. i'd be happy to work on a draft.
> we could even start with the BBOX stuff.
> 
> -------- Original Message --------
> Subject: Re: [Opensearch-discuss] Spatio-temporal query extension
> Date: Wed, 14 Mar 2007 07:50:11 -0700
> From: DeWitt Clinton <dewitt at unto.net>
> To: Mike Rylander <mrylander at gmail.com>
> CC: Pat Cappelaere <pat at cappelaere.com>,
> opensearch-discuss at lists.opensearch.org, Gregor J. Rothfuss
> <gregor at apache.org>
> References: <C21C7864.22F7E%pat at cappelaere.com> 
> <b918cf3d0703140730q3692b060h42c8354bbf03dd1b at mail.gmail.com>
> 
> This is something I've wanted to see for a long, long time.
> 
> A while back I worked on a microformat-based approach (hCard and adr/geo)
> for a local search product I was involved in.  That product never shipped,
> so unfortunately the specification was never published.  The nice thing
> about that approach was that it layered well with more structured elements,
> like georss and gml, but it also degraded very nicely when accessed by a
> "dumb" client spoke only html.
> 
> You can read some of the general thinking about how to extend OpenSearch
> with microformats here:
> 
>  
> http://www.opensearch.org/Documentation/Recommendations/OpenSearch_and_microfo
> rmats
> 
> 
> And here:
> 
>    http://blog.unto.net/work/opensearch-and-microformats/
> 
> These days, while I'm still keen on seeing something done with microformats,
> I'd be content to simply see a more straightforward proposal written (and a
> working server implementation!) that incorporates a bit of georss, gml, or
> kml, etc.
> 
> Pat, I know you've been having these chats with Gregor Rothfuss as well
> (cc-ed here).  My hope is that this converges on a draft soon, and I'd be
> very happy to publish it on the opensearch.org website for all to share.
> 
> 
> -DeWitt
> 
> 
> On 3/14/07, Mike Rylander <mrylander at gmail.com> wrote:
>> 
>> On 3/13/07, Pat Cappelaere <pat at cappelaere.com> wrote:
>>> I would like to use OpenSearch and extend it to support spatio-temporal
>>> queries.
>>> Example: bbox=lat1,long1,lat2,long2
>>>          from=datetime, to=datetime
>>> 
>>> Has anyone done anything like that?
>>> This would be a great step forward for searching geospatial data nodes.
>>> I would appreciate feedback.
>> 
>> That sounds like a great extension, actually, and something I'd like
>> to implement eventually.  The one other thing that I'd really like
>> would be the option of a bounding circle defined by point and radius.
>> Often that's the right way to find entries "within X miles" and such.
>> 
>> Do you have a demo implementation at this point?
>> 
>>> Pat.
>>> 
>> 
>> --
>> Mike Rylander
>> mrylander at gmail.com
>> GPLS -- PINES Development
>> Database Developer
>> http://open-ils.org
>> _______________________________________________
>> opensearch-discuss mailing list
>> opensearch-discuss at lists.opensearch.org
>> http://lists.opensearch.org/mailman/listinfo/opensearch-discuss
>> 
> 
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