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

[Mike Liebhold]

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

Mike Liebhold

>-----Original Message-----
>From: georss-bounces at lists.eogeo.org [mailto:georss-bounces at lists.eogeo.org]
>On Behalf Of Pat Cappelaere
>Sent: Monday, May 08, 2006 9:05 PM
>To: Ron Lake; Raj Singh; Danny Ayers; georss at lists.eogeo.org
>Subject: Re: [georss] What's next--a query API
>
>GeoRSS enabled software would store GeoRSS feeds in a WFS (or equivalent).
>Users could then do spatio-temporal queries (why stop at BBOX queries!) and
>keyword search based on contents of the feed.
>For instance, a user could specify start/end time and/or BBOX and/or
>keywords and retrieve the information based on the GeoRSS feeds that have
>been collected/aggregated.
>
>As Ron said, this is in the WFS domain with the filter specification to
>retrieve the information.
>
>V/R
>Pat.
>
>
>  
>
>>From: Ron Lake <rlake at galdosinc.com>
>>Date: Mon, 8 May 2006 17:51:48 -0700
>>To: Raj Singh <raj at rajsingh.org>, Danny Ayers <danny.ayers at gmail.com>,
>><georss at lists.eogeo.org>
>>Conversation: [georss] What's next--a query API
>>Subject: RE: [georss] What's next--a query API
>>
>>I could agree to this but I think you should reference WFS rather than
>>WMS since you are asking for data and not pictures.
>>
>>Cheers
>>
>>Ron
>>
>>-----Original Message-----
>>From: georss-bounces at lists.eogeo.org
>>[mailto:georss-bounces at lists.eogeo.org] On Behalf Of Raj Singh
>>Sent: May 8, 2006 5:45 PM
>>To: Danny Ayers; georss at lists.eogeo.org
>>Subject: [georss] What's next--a query API
>>
>>What's the first thing you want to do after you have a GeoRSS feed?
>>Do a geographic query of course.
>>
>>I'm sure we can think of all kinds of interesting and useful spatial
>>queries, like distance from something else or the overlap of two
>>geographies, but the thing people will probably want to do 95% of the
>>time
>>is get only things in a specified bounding box.
>>
>>How about we promote this as a recommended feature of GeoRSS-enabled
>>software? Here's the proposal:
>>
>>1. A GeoRSS bounding box query consists of a feed URI plus a BBOX
>>parameter,
>>consisting of minx,miny,maxx,maxy. This is the same as the WMS BBOX
>>parameter.
>>
>>2. A service can optionally support multiple coordinate reference
>>systems by
>>adding support for an SRS parameter, which would contain an EPSG code
>>(once
>>again like WMS).
>>
>>--
>>Raj
>>
>>
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