- From: <Simon.Cox@csiro.au>
- Date: Fri, 11 Apr 2014 06:05:50 +0000
- To: <markus.stocker@gmail.com>, <allaves@fi.upm.es>
- CC: <public-xg-ssn@w3.org>
How about :o1 rdf:type ssn:Observation . :o1 ssn:observedBy :mySensor1 . :o1 ssn:observedProperty [ a my:CompositeProperty my:member :magnitude ; my:member :depth . ] # or maybe an ordered list structure :o1 ssn:featureOfInterest :earthquakePhenomenon . :o1 ssn:observationResult :sensorOutput1 . # -> links to the observation values as an ordered list -----Original Message----- From: Markus Stocker [mailto:markus.stocker@gmail.com] Sent: Friday, 11 April 2014 1:36 AM To: Alejandro Llaves Cc: public-xg-ssn@w3.org Subject: Re: Multiple values in one observation Alejandro, Sorry, I guess I was too quick, looks like you want only :o1. Haven't seen that being used. Also, I wonder what is the advantage (i.e. why are you trying to achieve that)? Reduced triple count? Other advantages? In my understanding a sensor observation is for a property of a feature. Is it so that in your domain a sensor observes two properties in a single measurement process (I consider an observation to be the result of the process of measurement)? Cheers, Markus On Thu, Apr 10, 2014 at 6:23 PM, Markus Stocker <markus.stocker@gmail.com> wrote: > Hi Alejandro, > > Could something like this work? > > :o1 rdf:type ssn:Observation . > :o1 ssn:observedBy :mySensor1 . > :o1 ssn:observedProperty :magnitude . > :o1 ssn:featureOfInterest :earthquakePhenomenon . > :o1 ssn:observationResult :sensorOutput1 . # -> links to the > observation value > > :o2 rdf:type ssn:Observation . > :o2 ssn:observedBy :mySensor2 . # Possibly :mySensor1 > :o2 ssn:observedProperty :depth . > :o2 ssn:featureOfInterest :earthquakePhenomenon . > :o2 ssn:observationResult :sensorOutput2 . # -> links to the > observation value > > Cheers, > Markus > > > On Wed, Apr 9, 2014 at 9:00 PM, Alejandro Llaves <allaves@fi.upm.es> wrote: >> Hi all, >> >> I read in the group's final report [1], section 5.3.6.1 Observation >> module, the following: "Observations of multiple features or multiple >> properties of the one feature should be represented as either >> compound properties, features and values or as multiple observations, >> grouped in some appropriate structure." >> >> Is there any working example where the SSN ontology is used with >> observations involving multiple properties, and thus multiple values? >> >> In our case, we are struggling with earthquake observations that >> include properties such as magnitude and depth, which belong to the >> same FOI: the earthquake phenomenon. >> >> Any thoughts on this? >> >> [1] http://www.w3.org/2005/Incubator/ssn/XGR-ssn/ >> >> Alejandro >> >> -- >> Alejandro Llaves >> >> Ontology Engineering Group (OEG) >> >> Facultad de Informática >> >> Universidad Politécnica de Madrid >> >> Avda. Montepríncipe s/n >> >> Boadilla del Monte, 28660 Madrid, Spain >> >> http://www.oeg-upm.net/ >> >> >> allaves@fi.upm.es
Received on Friday, 11 April 2014 06:06:23 UTC