{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/374733228"
      "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" : [ "Emphysema is a form of chronic obstructive pulmonary disease (COPD), a major cause of disability and the fourth leading cause of death in the USA. In 2007, the economic burden of COPD was $42.6 billion in healthcare costs and lost productivity in the USA alone." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "biospace.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/147160968"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/374733228"] } } }
