{ "items" : [
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      "properties" : {
        "http://www.w3.org/2004/02/skos/core#broader" : [ "http://webisa.webdatacommons.org/concept/geothermal_energy_" ] } },

    { "id" : "http://webisa.webdatacommons.org/concept/_geyser_"
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        "http://www.w3.org/2004/02/skos/core#broader" : [ "http://webisa.webdatacommons.org/concept/geothermal_energy_" ] } },

    { "id" : "http://webisa.webdatacommons.org/concept/_heating_"
      "properties" : {
        "http://www.w3.org/2004/02/skos/core#broader" : [ "http://webisa.webdatacommons.org/concept/geothermal_energy_" ] } },

    { "id" : "http://webisa.webdatacommons.org/concept/_wind_"
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    { "id" : "http://webisa.webdatacommons.org/concept/ground+source+heat_pump_"
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