{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/108287556"
      "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" : [ " our detectives to piece together the scene.???The investigation has also been hampered by some 30 different explosive devices, including some timed to explode later, that have been found in and around the high school.The Jefferson County District Attorney said the two alleged gunmen had been in trouble before.???Both were known to the juvenile justice system,??? David Thomas told a Wednesday pres" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "pbs.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/324594754"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/108287556"] } } }
