Copyright © 2014 Open Geospatial Consortium.
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10.3.2 Feature level 10.3.2.1 Having controls of the applications schema
If we have control of the application schema, we can personalize it to store provenance at feature level. We include new optional tags for sources and processes that are already
described as a feature level so only links to the right elements of the dataset level metadata will suffice.
xmp:Spring gml:id=ID_SPRING_1 xmp:isoSource
xlink:href=https:bob.opengeospatial.orgSpringDatasetISOLineage.xml SC_USGS
xmp:isoProcesStep xlink:href=https:bob.opengeospatial.orgSpringDatasetISOLineage.xml
PS_WPS_1 xmp:position...
xmp:nameGold springxmp:name xmp:Spring
10.3.2.2 Reusing a preexisting applications schema
In some cases we will not have the capability to modify the application schema. In this case there is no other way than use the deprecated metaDataProperty element as a feature
collection level. But even if we do so, this is a bit trickier because we want to do an xlink to the sources and process steps of the dataset level but the reader can not anticipate the
purpose of this links until it reads the actual objects that are linked.
Specifically, we have to make use of the following attributes: xlink:href, xlink:role and the xlink:arcrole to fully describe the relation between the Gazetteer features to the
provenance elements in the dataset level provenance file either in ISO or W3C format. Some clues about the meaning or role and arcrole can be found in the W3C xlink
standards but they are not so clear to the authors of this document. This topic is also discussed in section 8.1 Xlinks — Object associations and remote properties of GML
3.2.1
We have to be aware that OGC already discussed encoding property metadata in GML features in 20062007 without any emerging best-practice. Three documents in the OGC
portal discuss this topic:
06-001r1 Use case for GML feature properties metadata Arliss Whiteside. o The document discusses which elements of the ISO19115 are more likely
to be useful as Feature property metadata feature level and Feature property value types attribute level
o Table 3 lists the metadata items from [ISO 19115] that they think are likely to be useful for feature level metadata. Interesting to note than most