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Re: [sdw] ssn:ext proposal comment: note on section 5.1 (#1154)

From: Simon Cox via GitHub <sysbot+gh@w3.org>
Date: Mon, 09 Dec 2019 22:40:43 +0000
To: public-sdwig@w3.org
Message-ID: <issue_comment.created-563473286-1575931242-sysbot+gh@w3.org>
@rob-metalinkage wrote
> SOSA requires all results to be from the one observation procedure

Not quite sure what you mean here. SOSA only supports the description of a single, atomic, observation, so of course there is only one procedure involved. 

One of the key things in SSN-ext is the addition of ObservationCollection, which allows for aggregations of atomic observations into homogeneous groupings, in which one or more of observed-property, FOI, procedure, sensor etc are common across the collection. This is why a comparison of SSN-ext with QB is warranted (whereas a comparison of SOSA with QB was not very interesting). 

 

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