[georss] What's next--a query API

[Andrew Turner]

FoFRedux supports tagging, categories, and reading in the subject
fields from an RSS feed and GeoRSS feed. It can then put out feeds
based on tag or category. We're also adding complex search RSS
aggregated output so that you could, for example, have a GeoRSS output
of all feeds that are about weather and use the words "California,
Oregon, or Washington" in them.

So doing what you're suggesting is already possible and
straight-forward to implement for RSS applications.

Adding some BBOX, within distance, and simple geo queries would be
great and straight-forward. But the backend can either be MySQL or
PostgreSQL, so doing "complex" queries is more difficult to wrap up.

And if you're seeking widespread adoption of GeoRSS for both hard-core
GIS, as well as "neographers", hobbyists, and the general public, then
I wouldn' toss too much in too quickly.

Andrew

On 5/9/06, Gregor J. Rothfuss <gregor at apache.org> wrote:
> Mike Liebhold wrote:
> > Jeff Harrison wrote:
> >
> >> it might be simpler (at least initially) for content providers to
> >> break thematic geoRSS content into separate feeds (Weather, Traffic,
> >> Yard Sales, etc.).
> >
> > Interesting thought Jeff.
> >
> > Heirarchical and  thematic browsing of GeoRSS will demand enormous back
> > end semantic processing to structure metadata  into content categories -
> > given the viral popularity of unstructured plain language tags people
> > will inevitably use, are already using on social knowledge sites like
> > del.icio.us, and flickr.com,  and at least one social mapping site -
> > platial.com which already enables users' own key word tags of GeoRSS points
>
> both atom and rss have the category element, which can optionally be
> used with the domain attribute:
>
> <category domain="http://del.icio.us/tag">yardsales</category>
>
> this makes it possible to have multiple themes in one feed, and filter
> by them. maybe there could be a couple such examples on the site to
> encourage such usage?
>
> -gregor
>
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--
Andrew Turner
ajturner at highearthorbit.com        42.4266N x 83.4931W
http://highearthorbit.com              Northville, Michigan, USA