{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/217615700"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/154805040" ] } },

    { "id" : "http://webisa.webdatacommons.org/154805040"
      "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" : [ "has many links, grouped by subject, such as US History, Humanities, and Science." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "aclibrary.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/437483301"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/154805040"] } } }
