@base <http://example.org/> .

@prefix view: <https://cube.link/view/> .
@prefix schema: <http://schema.org/> .

<view> a view:View ;
  view:projection
    [
      view:columns ( <dimension/roomLabel> )
    ] ;
  view:dimension
    <dimension/room>,
    <dimension/roomLabel> ;
  view:filter
    <filter/roomLabelLanguage> .

<source/cube/sensor> a view:CubeSource ;
  view:cube <sensor/cube> .

<dimension/room> a view:Dimension ;
  view:from
    [
      view:source <source/cube/sensor> ;
      view:path schema:location
    ] ;
  view:as schema:location .

<source/room> a view:LookupSource .

<dimension/roomLabel> a view:Dimension ;
  view:from
    [
      view:source <source/room> ;
      view:join <dimension/room> ;
      view:path schema:name
    ] ;
  view:as schema:name .

<filter/roomLabelLanguage> a view:Filter ;
  view:dimension <dimension/roomLabel> ;
  view:operation view:Lang ;
  view:argument ( "de" "en" "*" ) .