{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/404310509"
      "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" : [ "NGC 4258 is a key galaxy for the absolute calbration of the Extragalactic Distance Scale, given its precise (3%) geometric distance obtained through VLBI observations of water masers." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "aas.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/210297978"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/404310509"] } } }
