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RE: Representing time-dependent objects in POI data model

From: Sara-Jayne Farmer <sara-jayne.farmer@envitia.com>
Date: Mon, 1 Nov 2010 16:00:43 -0000
Message-ID: <5E353B1838D1264BA05634641A0617ED03150707@PROTON.tenet.local>
To: <public-poiwg@w3.org>
As a point of interest, it can be important when the physical object (e.g. the camp) is created, rather than when the record was created.   It's also possible for a physical point of interest to change its state and its interestingness to each user - e.g. after a crisis, school buildings may become camps, hospitals or warehouses, hopefully for a relatively short period of time.  I'm not sure if the answer to this is to create a new point of interest in the same place, or to overload the existing point of interest that's already there. 

There are a whole bunch of other attributes that could be added to these types of points of interest, but I'm assuming here that we're working on the baseline POI standard and these could be added on to the standard later (e.g. by blending with the existing EDXL humanitarian data standards). 

Thank you,



Sj. 

-----Original Message-----
From: Dan Brickley [mailto:danbri@danbri.org] 
Sent: 01 November 2010 15:29
To: Sara-Jayne Farmer
Cc: public-poiwg@w3.org; Matt Womer
Subject: Re: Representing time-dependent objects in POI data model

On Mon, Nov 1, 2010 at 12:45 PM, Sara-Jayne Farmer <sara-jayne.farmer@envitia.com> wrote:
> I can't get onto the POI wiki, so can I make a request please?  Many of the points of interest I deal with (in transport and crisismapping) are temporary or moving - for instance, a refugee camp may only exist for a few days or weeks.   Can we consider adding a time field to the POI data model, e.g. "date created", "date updated" to cover these please?

I've added something on this to
http://www.w3.org/2010/POI/wiki/Data_Model#POI_Administrative_metadata

...but on re-reading your message, I see it could either be the record was created/updated, or the 'refugee camp' was created. I added a section for the former but not the latter yet. Were you thinking more about administrative metadata, or about dates for short-lived spatial things?

cheers,

Dan
Received on Monday, 1 November 2010 15:59:21 UTC

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