{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/302852991"
      "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" : [ "That is, metal catalyst includes metals such as ruthenium, osmium, rhodium, iridium, palladium, platinum or a mixture thereof, as well as precursors of other transition metals such as metal oxides, metal halides, metal carbides, metal nitrides, metal phosphides and metal sulfides sulfides of metals including but not limited to Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, La, Ce, W or combinat" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/13059316"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/302852991"] } } }
