{ "items" : [
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      "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" : [ "If the camera and light source are located near where an advertisement such as on an illuminated sign or billboard or electronic display such as a ???JumboTron??? the system in this embodiment of the invention could measure the effectiveness of what is being displayed such as an advertisement." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/507404816"
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    { "id" : "http://webisa.webdatacommons.org/prov/145275861"
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