{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/507727815"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/425110925" ] } },

    { "id" : "http://webisa.webdatacommons.org/425110925"
      "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" : [ "rare earth metal compound or a mixture thereof, wherein the zerovalent zinc compound has the formula ZnR2, and wherein each R is a monovalent hydrocarbon or alkoxy, with the provision that at least one R is a monovalent hydrocarbon and wherein the interaction of said compounds is conducted in an inert liquid medium and under a non-oxidizing atmosphere." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/53882350"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/425110925"] } } }
