[georss] Time and Space - Vote Tally

Raj Singh raj at rajsingh.org
Mon Mar 5 00:51:32 EST 2007


I just voted and noticed there are 9 votes now. Both new ones are -0.  
One of those was mine, but in hindsight I should have voted -1 since  
I have already posted arguments against.
---
Raj


On Feb 19, 2007, at 10:51 AM, Allan Doyle wrote:

> So, the votes are "in": http://www.yourfreepoll.com/vmarsybosr.html
>
> +1 - 2
> +0 - 2
>   0 - 1
> -0 - 1
> -1 - 1
> Total votes: 7
>
> The +1 and -1 voters owe a message to the group identifying  
> themselves.
>
> There are 135 subscribers on this mailing list. Even accounting for
> people signed up with more than one email address, it would be safe
> to say that 7 votes represents no more than 6% of the people. (http://
> lists.eogeo.org/mailman/listinfo/georss)
>
> Thus the remaining 94% can be considered "0" votes.
>
> You can make of this what you will. My personal opinion is that this
> is not enough support to warrant a spec change.
>
> 	Allan
>
>
> On Feb 14, 2007, at 10:20, Allan Doyle wrote:
>
>> I would be most interested in an outcome that reflects the "rough
>> consensus and running code" mantra. I.e. no spec changes without
>> independent implementations that interoperate. Thus, the question
>> would be whether there would be at least two independent services out
>> there generating this and/or two independent clients consuming it. If
>> not, then it would seem to me that no spec change is needed.
>>
>> To that end, I've created a poll. Let's see if this can help us
>> figure out how close anyone is to agreement on this. It may help
>> reduce Jeff's email load.
>>
>> How about if people vote before ~midnight on Sunday in your own time
>> zone, then on Monday, we can peek at the vote and start another email
>> barrage?
>>
>> Vote: http://www.yourfreepoll.com/vmarsybosp.html
>> Results: http://www.yourfreepoll.com/vmarsybosr.html
>>
>> 	Allan
>>
>>
>> On Feb 14, 2007, at 09:45, Knoth, Brian D. wrote:
>>
>>> Right, so on that note, I'll wrap it up.
>>>
>>> To summarize:
>>>
>>> - we have a project in which we would like to associate multiple
>>> timewindows/positions with items using geoRSS
>>>
>>> - we started out with an extension to the <georss:where> which, in
>>> retrospect, does not seem consistent with the original intent of the
>>> spec
>>>
>>> - instead, I would like to suggest an additional geometry, namely
>>> gml:EnvelopeWithTimePeriod, be added to the GML geoRSS profile
>>>
>>> - I previously offered up a new gmlgeorss.xsd with this extension
>>> made
>>> and, if accepted by majority consensus, I'd like to understand  
>>> how to
>>> get the changes posted to the geoRSS website in order to point
>>> developers to.
>>>
>>> I have appreciate everyone's feedback on this and hopefully I can
>>> just
>>> get confirmation as to whether my suggestions can be incorporated or
>>> not.
>>>
>>> Thanks,
>>> brian
>>>
>>> -----Original Message-----
>>> From: Jeff Harrison [mailto:jharrison at thecarbonproject.com]
>>> Sent: Tuesday, February 13, 2007 8:11 PM
>>> To: 'Ron Lake'; Knoth, Brian D.; 'Mikel Maron';
>>> georss at lists.eogeo.org
>>> Subject: RE: [georss] Time and Space
>>>
>>> This email thread is taking up a lot of "Time and Space"
>>>
>>> Jeff
>>>
>>> -----Original Message-----
>>> From: georss-bounces at lists.eogeo.org
>>> [mailto:georss-bounces at lists.eogeo.org]
>>> On Behalf Of Ron Lake
>>> Sent: Tuesday, February 13, 2007 8:05 PM
>>> To: Knoth, Brian D.; Mikel Maron; georss at lists.eogeo.org
>>> Subject: Re: [georss] Time and Space
>>>
>>> Hi,
>>>
>>> All I could see in your last email example was the use of a text
>>> description. Is that what you meant?
>>>
>>> R
>>>
>>> -----Original Message-----
>>> From: Knoth, Brian D. [mailto:bknoth at mitre.org]
>>> Sent: February 13, 2007 4:45 PM
>>> To: Ron Lake; Mikel Maron; georss at lists.eogeo.org
>>> Subject: RE: [georss] Time and Space
>>>
>>> The example I had in mind I did specify in my last email.
>>>
>>> brian
>>>
>>> -----Original Message-----
>>> From: Ron Lake [mailto:rlake at galdosinc.com]
>>> Sent: Tuesday, February 13, 2007 5:57 PM
>>> To: Knoth, Brian D.; Mikel Maron; georss at lists.eogeo.org
>>> Subject: RE: [georss] Time and Space
>>>
>>> Could you give an example of this? - I would not use description
>>> since
>>> it is totally open ended!
>>>
>>> R
>>>
>>> -----Original Message-----
>>> From: Knoth, Brian D. [mailto:bknoth at mitre.org]
>>> Sent: February 13, 2007 11:02 AM
>>> To: Ron Lake; Mikel Maron; georss at lists.eogeo.org
>>> Subject: RE: [georss] Time and Space
>>>
>>> Ron,
>>>
>>> I believe that "role" of a geometry can already be conveyed within
>>> the
>>> existing GML geoRSS profile. There are description/name/metadata
>>> elements associated with every geometry at the abstract base  
>>> level. I
>>> would think these elements could be used to pass additional
>>> information
>>> like role to consumers. Based off my previous example, here is  
>>> what I
>>> am thinking (note: allowing multiple geometries within a where  
>>> node):
>>>
>>>
>>> 		<item>
>>> 			<title>Flight 1995</title>
>>> 			<link>http://..flightdetails</link>
>>> 			<description>some desc</description>
>>> 			<guid
>>> isPermaLink="false">id:flight-0A05000760l02yz</guid>
>>> 			<pubDate>2006-03-02T20:36:12Z</pubDate>
>>> 			<georss:where
>>> xmlns:georss="http://www.georss.org/georss">
>>> 				<gml:Point
>>> xmlns:gml="http://www.opengis.net/gml">
>>> 	
>>> <gml:description>takeoff</gml:description>
>>> 					<gml:pos>30.8944
>>> -124.5270</gml:pos>
>>> 				</gml:Point>			
>>> 				<gml:Envelope
>>> xmlns:gml="http://www.opengis.net/gml">
>>> 					<gml:description>turn point
>>> A</gml:description>
>>> 					<gml:lowerCorner>43.8944
>>> -123.5270</gml:lowerCorner>
>>> 					<gml:upperCorner>44.3444
>>> -122.9002</gml:upperCorner>
>>> 				</gml:Envelope>		
>>> 				<gml:EnvelopeWithTimePeriod
>>> xmlns:gml="http://www.opengis.net/gml">
>>> 	
>>> <gml:description>rendezous</gml:description>
>>> 					<gml:lowerCorner>30.8944
>>> -107.5270</gml:lowerCorner>
>>> 					<gml:upperCorner>35.3444
>>> -108.9002</gml:upperCorner>
>>> 					<gml:timePosition
>>> indeterminatePosition="before">2006-03-02T21:30:00Z</
>>> gml:timePosition>
>>> 					<gml:timePosition
>>> indeterminatePosition="after">2006-03-02T21:40:00Z</ 
>>> gml:timePosition>
>>> 				</gml:EnvelopeWithTimePeriod>
>>>
>>> 			</georss:where>
>>> 		</item>
>>>
>>> Regards,
>>> brian
>>> ________________________________
>>>
>>> 	From: Ron Lake [mailto:rlake at galdosinc.com]
>>> 	Sent: Tuesday, February 13, 2007 11:32 AM
>>> 	To: Mikel Maron; Knoth, Brian D.; georss at lists.eogeo.org
>>> 	Subject: RE: [georss] Time and Space
>>> 	
>>> 	
>>>
>>> 	Mike:
>>>
>>> 	
>>>
>>> 	If you do that - allow multiple geometries inside a single
>>> "where" property - how does anyone know what they mean?  In GML a
>>> property (like where) is used to describe the role of the geometry -
>>> e.g.
>>>
>>> 	
>>>
>>> 	            <abc:centerLine>
>>>
>>> 	                        <gml:LineString> ... </gml:LineString>
>>>
>>> 	            </abc:centerLine>
>>>
>>> 	            <abc:position>
>>>
>>> 	                        <gml:Point>... </gml:Point>
>>>
>>> 	            </abc:Point>
>>>
>>> 	
>>>
>>> 	How does that work in GeoRSS?  How do you know the roles of
>>> Point and LineString otherwise?
>>>
>>> 	
>>>
>>> 	Cheers
>>>
>>> 	
>>> 	Ron
>>>
>>> 	
>>>
>>> 	________________________________
>>>
>>> 		From: georss-bounces at lists.eogeo.org
>>> [mailto:georss-bounces at lists.eogeo.org] On Behalf Of Mikel Maron
>>> 	Sent: February 12, 2007 11:50 AM
>>> 	To: Knoth, Brian D.; georss at lists.eogeo.org
>>> 	Subject: Re: [georss] Time and Space
>>>
>>> 	
>>>
>>> 	Brian
>>> 	
>>> 	There was a thread on this last month that went into the issues
>>> .. http://lists.eogeo.org/pipermail/georss/2007-January/
>>> 	
>>> 	But I should've been more specific .. you can include any kind
>>> of GML payload in GeoRSS GML, which could have multiple geometries,
>>> 	but those all would be included in a single georss:where.
>>> 	
>>> 	-Mikel
>>> 	
>>> 	
>>>
>>> 	----- Original Message ----
>>> 	From: "Knoth, Brian D." <bknoth at mitre.org>
>>> 	To: Mikel Maron <mikel_maron at yahoo.com>; georss at lists.eogeo.org
>>> 	Sent: Monday, February 12, 2007 7:41:39 PM
>>> 	Subject: RE: [georss] Time and Space
>>>
>>> 	Mikel,
>>>
>>> 	
>>>
>>> 	I'll take a look at your links in a moment, but just quickly
>>> wanted to respond to the issue of not being able to have multiple
>>> <georss:where> nodes under an <item>. I know that I read this
>>> restriction somewhere else and my only question is simply why  
>>> not?  I
>>> don't know of any restriction defined in the RSS specification that
>>> limits child elements to only a single occurrence, is there?
>>>
>>> 	
>>>
>>> 	thanks,
>>>
>>> 	brian
>>>
>>> 		
>>>
>>> 		________________________________
>>>
>>> 				From: Mikel Maron
>>> [mailto:mikel_maron at yahoo.com]
>>> 		Sent: Monday, February 12, 2007 2:38 PM
>>> 		To: Knoth, Brian D.; georss at lists.eogeo.org
>>> 		Subject: Re: [georss] Time and Space
>>>
>>> 		Hi Brian
>>> 		
>>> 		I'm very interested in incorporating time, visualizing
>>> and acting on change. Gave a presentation outlining some thoughts on
>>> this foss4g..
>>> 	
>>> http://www.foss4g2006.org/contributionDisplay.py?
>>> contribId=161&sessionI
>>> d=47&confId=1
>>> 		
>>> 		Like Raj, I think time could be seen as having wider
>>> application than just space. I've re-used the RSS and Atom
>>> time-oriented fields for some
>>> 		basic stuff.
>>> 		
>>> 		http://worldkit.org/doc/time.php
>>> 		
>>> 		For richer time specifications, there hasn't been
>>> agreement on a single encoding. Upcoming.org has a bit to say on
>>> this..
>>> 		
>>> 	
>>> http://community.upcoming.org/w/index.php/
>>> Nerdy_Questions#What_are_the_
>>> guidelines_you_follow_when_creating_RSS_feeds.3F
>>> 		
>>> 		They're using xCal. There's also an old RSS 1.0 module
>>> called Event .. http://web.resource.org/rss/1.0/modules/event/
>>> 		
>>> 		
>>> 		While writing this I just saw your followup. One thing
>>> about your usage, you can't associate multiple georss:where elements
>>> with a single item;
>>> 		it's a one to one relationship.
>>> 		
>>> 		Best
>>> 		-Mikel
>>>
>>> 		----- Original Message ----
>>> 		From: "Knoth, Brian D." <bknoth at mitre.org>
>>> 		To: georss at lists.eogeo.org
>>> 		Sent: Monday, February 12, 2007 1:40:54 PM
>>> 		Subject: [georss] Time and Space
>>>
>>> 		Hi,
>>> 		
>>> 		I'm new to this mailing list, yet have been advocate of
>>> RSS and geoRSS
>>> 		on some internal projects for a while. I do have a few
>>> concerns with
>>> 		regard to real practical acceptance of geoRSS, yet, I
>>> understand the
>>> 		need to try and balance simplicity and expressiveness.
>>> As such, we are
>>> 		attempting to utilize GML geoRSS, however, we have
>>> needed to extend the
>>> 		GML geoRSS with the ability identify time as well as
>>> space.
>>> 		
>>> 		I wanted to just send out our approach to doing this to
>>> get comments
>>> 		from anyone else who might be interested in this on the
>>> mailing list.
>>> 		Simply put, we have added a GML TimePeriod to each of
>>> the geoRSS nodes
>>> 		along with the spatial representation. Here is an
>>> example:
>>> 		
>>> 		<georss:where>
>>> 		    <gml:TimePeriod>
>>> 		           <gml:begin>2006-06-17T09:55:00Z</gml:begin>
>>> 		        <gml:end>2006-06-17T10:30:00Z</gml:end>
>>> 		    </gml:TimePeriod>
>>> 		    <gml:Point>
>>> 		        <gml:pos>37.65356495497155
>>> -114.5048399056895</gml:pos>
>>> 		    </gml:Point>
>>> 		</georss:where>
>>> 		
>>> 		All comments would be appreciated.
>>> 		
>>> 		Regards,
>>> 		brian
>>> 		_______________________________________________
>>> 		georss mailing list
>>> 		georss at lists.eogeo.org
>>> 		http://lists.eogeo.org/mailman/listinfo/georss
>>>
>>> 		
>>>
>>> 	
>>>
>>> _______________________________________________
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>>>
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>>
>> -- 
>> Allan Doyle
>> +1.781.433.2695
>> adoyle at eogeo.org
>>
>>
>>
>> _______________________________________________
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>> http://lists.eogeo.org/mailman/listinfo/georss
>
> -- 
> Allan Doyle
> +1.781.433.2695
> adoyle at eogeo.org
>
>
>
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