SELECT EXPAND(ret) FROM (
  MATCH 
		{class: SimpleFacet, as: simplefacet, where: ($currentMatch['@class'] INSTANCEOF 'SimpleFacet')}
		.inE('ConsistsOf').outV('Configuration') {as: configuration, where: ($currentMatch['@class'] INSTANCEOF 'Configuration')}
		.outE('IsIdentifiedBy').inV('IdentifierFacet') {where: (($currentMatch['@class'] INSTANCEOF 'IdentifierFacet') AND value='gcat-configuration')}
		.inE('IsIdentifiedBy').outV('Configuration') {where: ($matched.configuration == $currentMatch)}
		.outE('IsCustomizedBy').inV('VirtualService')
		.outE('IsIdentifiedBy').inV('SoftwareFacet') {where: (($currentMatch['@class'] INSTANCEOF 'SoftwareFacet') AND name='catalogue-virtual-service' AND group='org.gcube.data-catalogue')}
  RETURN
      DISTINCT(simplefacet) as ret
)