arcrole hierarchies in DTS
The ConceptRelation filter is not related to the table link, but to hierarchies in the DTS in general. A filter like this:
<crf:conceptRelation
id="BalanceSheetHousingDvi_PrtFST1ChildrenExistDParentExists1_RelationEquityAndLiabilities"
xlink:label="BalanceSheetHousingDvi_PrtFST1ChildrenExistDParentExists1_RelationEquityAndLiabilities"
xlink:type="resource">
<crf:qname>jenv-bw2-i:EquityAndLiabilities</crf:qname>
<crf:linkrole>urn:bzk:linkrole:balance-sheet-housing-dvi</crf:linkrole>
<crf:arcrole>http://www.nltaxonomie.nl/2019/sbr-arcrole-2019/ParentChildSummation</crf:arcrole>
<crf:axis>child</crf:axis>
</crf:conceptRelation>
should be resolved by resolving the parent/child relationships of: /validation/bzk-dvi-balance-sheet-daeb-housing-dvi-parentchildsummation.xml
<link:arcroleRef arcroleURI="http://www.nltaxonomie.nl/2019/sbr-arcrole-2019/ParentChildSummation" xlink:href="http://www.nltaxonomie.nl/2019/xbrl/sbr-arcroles-2019.xsd#sbr-arc-2019_ParentChildSummation" xlink:type="simple"/>
<gen:link xlink:role="urn:bzk:linkrole:balance-sheet-daeb-housing-dvi" xlink:type="extended">
<gen:arc order="1" xlink:arcrole="http://www.nltaxonomie.nl/2019/sbr-arcrole-2019/ParentChildSummation" xlink:from="jenv-bw2-i_EquityAndLiabilities_loc" xlink:to="jenv-bw2-i_Equity_loc" xlink:type="arc"/>
<gen:arc order="2" xlink:arcrole="http://www.nltaxonomie.nl/2019/sbr-arcrole-2019/ParentChildSummation" xlink:from="jenv-bw2-i_EquityAndLiabilities_loc" xlink:to="rj-i_EqualisationAccount_loc" xlink:type="arc"/>
<gen:arc order="3" xlink:arcrole="http://www.nltaxonomie.nl/2019/sbr-arcrole-2019/ParentChildSummation" xlink:from="jenv-bw2-i_EquityAndLiabilities_loc" xlink:to="jenv-bw2-i_Provisions_loc" xlink:type="arc"/>
<gen:arc order="4" xlink:arcrole="http://www.nltaxonomie.nl/2019/sbr-arcrole-2019/ParentChildSummation" xlink:from="jenv-bw2-i_EquityAndLiabilities_loc" xlink:to="jenv-bw2-i_LiabilitiesNoncurrent_loc" xlink:type="arc"/>
<gen:arc order="5" xlink:arcrole="http://www.nltaxonomie.nl/2019/sbr-arcrole-2019/ParentChildSummation" xlink:from="jenv-bw2-i_EquityAndLiabilities_loc" xlink:to="jenv-bw2-i_LiabilitiesCurrent_loc" xlink:type="arc"/>
So I guess in this case, I should be filtering on those child facts.
In order to do this, we should probably create parent/child overviews on DTS discovery for custom gen:link arcroles.