RE: SSN-XG Meeting Minutes 10 March 2010

In O&M the Observation/parameter slot is intended to be used for an
event-specific qualification like this. 

Else the height is bundled into the sensor description. 

Else it is the height of the feature-of-interest that you are concerned
with. 

 

There is more than one way to do it, because O&M is a general model that is
supposed to support more than one scenario, which must be modelled to
support the purpose. 

 

Simon

 

  _____  

From: public-xg-ssn-request@w3.org [mailto:public-xg-ssn-request@w3.org] On
Behalf Of Holger.Neuhaus@csiro.au
Sent: 10 March 2010 23:21
To: fla@tid.es
Cc: public-xg-ssn@w3.org
Subject: RE: SSN-XG Meeting Minutes 10 March 2010

 

Hmmm,

 

I guess that there are several possibilities.

 

-          There are sensors that measure height, and for those sensors
there will be some accuracy in the datasheet probably depending on height. 

-          The height of a radiation measurement may be of importance with
accordance to some guidelines. In that case, the sensor position/location
should be sufficient

-          In other cases, a domain expert may know from experience that
“those type of sensor has a worse accuracy when it’s too close to power
lines” – for those, ‘location’ is more of a provenance/context issue and can
only be resolved with additional information. It might be an option to
include domain experts’ opinions like this in the QualityOfMeasurement (or
QualityOfInformation, as Payam suggested) in the sensor description, but
that may open that proverbial can of worms…

 

…hope this makes sense.

 

Cheers,

Holger

 

  _____  

From: FERNANDO LOPEZ AGUILAR [mailto:fla@tid.es] 
Sent: Thursday, 11 March 2010 8:53 AM
To: Neuhaus, Holger (ICT Centre, Hobart)
Subject: Re: SSN-XG Meeting Minutes 10 March 2010

 

thanks for your comment, the next time I'll try to connect to IRC and make
it.

 

Yes, barometric pressure or wind are one examples in which the height can
influence the measurement but also we have to consirder the location if it
is obtained with barometric device, radiation incidence, and so on.

 

Fernando

 

El 10/03/2010, a las 22:36, <Holger.Neuhaus@csiro.au> escribió:

 

Hi Fernando,

 

Thank you for attending.

 

We sometimes have problems due to echoes from all over the world, and today
it was your turn ;-) That’s why I had to mute you (btw, you’re Susana in the
log…). If people want to talk during the meeting, they have to enter

 

+q

 

in the IRC. If I give the word to people that I had to mute, I unmute them
at that time. Most of the people use the mute button on their phone and
unmute themselves when they want to say something.

 

Concerning your question: do you have an example where location affects the
observation directly? When you talk about height then what actually
influences the measurement would be something like the barometric pressure
or wind etc., right? 

 

Cheers,

Holger

 

  _____  

From: FERNANDO LOPEZ AGUILAR [mailto:fla@tid.es] 
Sent: Thursday, 11 March 2010 8:19 AM
To: Neuhaus, Holger (ICT Centre, Hobart)
Cc: public-xg-ssn@w3.org
Subject: Re: SSN-XG Meeting Minutes 10 March 2010

 

thanks Holger,

 

Just two things, I can see that you cannot hear me during the meeting and
also I am not in the attendees.

 

I wanted to ask a question when you talk about Accuracy.  I think that the
condition should include the location, I know that this information is
included in the ontology of data or sensor (i think) but specially height
position can affect the accuracy of the O&M, how can manage this problems?

 

Fernando

 

 

El 10/03/2010, a las 22:06, <Holger.Neuhaus@csiro.au> escribió:





Hi all,

Thank you for attending the telephone conference and for the good
discussion.

The minutes can be found here: http://www.w3.org/2010/03/10-ssn-minutes.html



Summary of Action Items


[NEW] ACTION: Michael to put Modelling of Accuracy issue in Issue Tracker
[recorded in http://www.w3.org/2010/03/10-ssn-minutes.html#action01]


[NEW] ACTION: Kerry to present observation record and device next week
[recorded in http://www.w3.org/2010/03/10-ssn-minutes.html#action02]





 

I will be on leave for the next 4 weeks. Kerry will chair the meetings
during my absence. Please be aware of the changes in Daylight Saving Time:

*         US: DST Begins 2 a.m. (Second Sunday in March) 2010 March 14

*         Europe: Start: Last Sunday in March (28) at 1 am UTC

*         Australia: ends at 2 am Eastern Standard Time (3am summer time) on
the first Sunday in April (4)

 

…and watch out for the new timeslots for our meetings (after March), once
they have been changed – Kerry will keep you posted.

 

See you in 5 weeks! 

 

Cheers,

Holger

 

Dr. Holger Neuhaus
Postdoctoral Fellow
Tasmanian ICT Centre
CSIRO

Phone: +61 3 6232 5547 | Fax: +61 3 6232 5000
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