{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/395606939"
      "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" : [ "The Drill String ??? A drill string consists of the drill pipe, the bottomhole assembly and any other tools used to provide the torque that rotates the drill bit at the bottom of the wellbore." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "krilloil.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/382082704"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/395606939"] } } }
