{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/267394458"
      "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" : [ "In previous studies, CVD has been associated with shorter and poor quality sleep, and persons with less education and fewer financial resources often suffer the worst sleep. ???The link between sleep and cardiovascular risk factors, such as obesity and diabetes, is known to vary by race and ethnic group,??? Carnethon said. ???This study suggests race differences in sleep characteristics are not co" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "northwestern.edu" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/486163559"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/267394458" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/274369480"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/267394458"] } } }
