Re: BP #24 Provide Real-time access

Eric Stephan <ericphb@gmail.com> wrote on 02-02-2015 16:15:04:

> From: Eric Stephan <ericphb@gmail.com>
> To: Annette Greiner <amgreiner@lbl.gov>
> Cc: Public DWBP WG <public-dwbp-wg@w3.org>
> Date: 02-02-2015 16:15
> Subject: Re: BP #24 Provide Real-time access
> 
> Annette, 
> 
> I've been doing some thinking about this,  What do you think of this:
> 
> Eric S
> 
> Original Why:
> 
> The presence of real-time data on the web enables access to critical
> time sensitive data, and encourages the development of real-time web
> applications. Real-time access is dependent on real-time data 
> producers making their data readily available to the data publisher.
> In addition to making pubished data accessible, data publishers may 
> provide additional information describing data gaps, data errors and
> anomolies, and publication delays.
> 
> Modified:
> 
> The presence of real-time data on the web enables access to critical
> time sensitive data, and encourages the development of real-time web
> applications. Real-time access is dependent on real-time data 
> producers making their data readily available to the data publisher 
> to meet consumer needs.  Each application real-time access 
> requirements will need to be evaluated on a case by case basis 
> considering refresh rates, latency introduced by data post processing 
steps, 
> infrastructure availability to support real-time access, and the 
> data needed by consumers.  
> 
>  In addition to making published data accessible, data publishers 
> may provide additional information describing data gaps, data errors
> and anomalies, and publication delays.

+1

> 
> On Sun, Feb 1, 2015 at 12:17 PM, Eric <ericphb@gmail.com> wrote:
> It's a good question Annette.  It is something we haven't formally 
> defined yet. 
> 
>  I'd really appreciate adding this data intensive perspective in 
> implementation.
> 
> It also brings to mind what we publish on the web.  Do we publish 
> the kitchen sink or do we filter?
> 
> Please feel free to amend and add.
>  
> Eric
> Sent from my iPhone
> 
> On Feb 1, 2015, at 11:42 AM, Annette Greiner <amgreiner@lbl.gov> wrote:

> I have a question about real-time data. When we say "data that is 
> produced in real time," what does that mean? Is that a collection 
> rate? I think the choice of whether to make data available real-time
> involves more than the frequency at which it is collected. For 
> example, data from an accelerator like the LHC gets collected at an 
> extremely high rate, but it is released in bulk. Maybe the rule 
> should be more about whether individual values are updated 
> frequently (how frequently?) on an ongoing basis. 
> -Annette
> 
> Sent from my iPhone
> 
> On Feb 1, 2015, at 10:58 AM, Eric Stephan <ericphb@gmail.com> wrote:

> I've modified BP #24 [1] based on Phil's guidance [2] and referring 
> to the earlier templates.  I won't make any more additions today, 
> hopefully will be back to it tomorrow morning.
> 
> Thanks,
> 
> Eric S.
> 
> References
> 
> [1] http://w3c.github.io/dwbp/bp.html#AccessRealTime
> [2] http://lists.w3.org/Archives/Public/public-dwbp-wg/2015Jan/0303.html