[Geowanking] OpenSearch Geo - Feedback

Allan Doyle adoyle at eogeo.org
Wed Jun 20 17:48:33 PDT 2007


On Jun 20, 2007, at 20:44, Andrew Turner wrote:

> I like the idea about available search extents. Can you toss all this
> in the comments on my blog post? That way I remember, and maybe spurs
> more discussion :)
>
> But doing that, then it would allow smart search clients to not even
> try the engine (save bandwidth/time) since you're right that many
> sites just won't have data outside of a small region (small could
> still be a nation, but not global).
>
> This could carry to time as well (I don't have any data before 1992,
> or no future data), and general search (more difficult, but I could
> imagine saying you only support searches dealing in "technology", so
> don't search pizza unless you want something about how to make smarter
> pizza's ;)

And pretty soon you have a full-blown Z39.50 Geo profile federated  
search network going.

Relentlessly simplify!

	Allan

>
>
>
>
> On 6/20/07, Barry Hunter <barry at barryhunter.co.uk> wrote:
>> This looks very interesting, and a nice formalization of things  
>> that where
>> discussed on this list a while ago.
>>
>> One thing wondering if would be nice to be able to specify  
>> something like:
>>
>>   <opensearchgeo:extents>49,- 9.5,62,2.3</opensearchgeo:extents>
>>
>> in the main definition block. Not sure of the practical use, or  
>> how it would
>> be understood by the search initiator, but in theory it should  
>> allow an
>> engine to state where it works. So if the initiator is capable of  
>> talking in
>> boxes then it could know what is a rational search (assuming the  
>> engine
>> isn't global)
>>
>> (btw haven't given this much thought, so the actual format of the  
>> tags, or
>> if it could also be specified as a country code, or lat/long/ 
>> radius extra.
>> But the basic idea would to specify a geographic extent. )
>>
>>
>> FWIW, geograph.org.uk, now supports this extension:
>> http://www.geograph.org.uk/stuff/osd.xml
>> (well technically it doesn't actually mark up the results  
>> correctly, but
>> something to be worked on!)
>>
>>
>> Now who is going to be the first initiator capable of creating a  
>> geo search
>> via this, (for running against mapufacture.com or  
>> geograph.org.uk , unless
>> someone knows of more...) ? ;)
>>
>>
>>
>> On 6/15/07, Andrew Turner <ajturner at highearthorbit.com> wrote:
>> >
>> > Greetings - as some of you may know - from WhereCamp - we  
>> rapidly put
>> > together a draft specification of OpenSearch-Geo. We did it with
>> > DeWitt Clinton - the original mastermind behind OpenSearch, and had
>> > general consensus in the group.
>> >
>> > I've posted the draft here - with some modifications:
>> >
>> http://www.opensearch.org/Specifications/OpenSearch/Extensions/Geo/ 
>> 1.0/Draft_1
>> >
>> > I would definitely like any more feedback or thoughts people could
>> > offer on the spec. The guiding principle behind the spec was to  
>> make
>> > it work with existing services where possible (hence the bbox  
>> w,s,e,n
>> > order) and also make it parallel to GeoRSS and GeoJSON.
>> >
>> > This makes it easier for all the specs to try and move forward
>> > together in the future (we can argue concepts/terminology once and
>> > have it apply to all) as well as educating other developers and  
>> users
>> > by being able to instruct once and have common concepts carry  
>> over to
>> > the different "formats".
>> >
>> > I figured Friday afternoon - you're all looking for some  
>> interesting
>> > reading and the weekend to play with it. :)
>> >
>> > Thanks
>> > Andrew
>> >
>> > --
>> > Andrew Turner
>> > ajturner at highearthorbit.com      42.2774N x 83.7611W
>> > http://highearthorbit.com               Ann Arbor, Michigan, USA
>> > _______________________________________________
>> > Geowanking mailing list
>> > Geowanking at lists.burri.to
>> > http://lists.burri.to/mailman/listinfo/geowanking
>> >
>>
>>
>>
>> --
>> Barry
>>
>> - www.nearby.org.uk - www.geograph.org.uk -
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>>
>>
>
>
> -- 
> Andrew Turner
> ajturner at highearthorbit.com      42.2774N x 83.7611W
> http://highearthorbit.com              Ann Arbor, Michigan, USA
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-- 
Allan Doyle
+1.781.433.2695
adoyle at eogeo.org






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