{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/55920681"
      "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" : [ "Nuclear magnetic resonance (NMR) methods began to be used to determine structures, thus providing additional types of information to be archived in the PDB. These structures now make up about 15% of the structures in the archive." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "iucr.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/277698764"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/55920681"] } } }
