{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/137300572"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/267338435" ] } },

    { "id" : "http://webisa.webdatacommons.org/267338435"
      "properties" : {
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        "http://www.w3.org/ns/prov#value" : [ "One embodiment of the present invention is a method of performing a return-call operation, comprising: receiving a forwarded call originally directed by a caller to a first telephone line associated with a user; receiving signaling information, including a phone number associated with the caller; determining whether the phone number is one of a private phone number and a public phone number; gener" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.co.uk"] } } }
