{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/516198916"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/401511619" ] } },

    { "id" : "http://webisa.webdatacommons.org/401511619"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "The copper layer or copper alloy layer (ii) preferably has a thickness of 5 to 210 ??m, in particular 15 to 35 ??m." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.fr"] } } }
