{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/301892034"
      "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" : [ ",j]+(curl[i,j]/R-curl[i,j-1]/R) where curl[i,j]=x[i,j]-x[i+1,j]+y[i,j+1]-y[i,j]; and R is a real number greater than one. 18." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.co.uk" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/54706168"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/301892034" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/54091739"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/301892034"] } } }
