{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/4574533"
      "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" : [ "y to the other when employed to modulate a signal on the optical carrier wave.BACKGROUND OF THE INVENTIONSemiconductor lasers have a variety of applications including communication systems and consumer electronics." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "docstoc.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/139460971"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/4574533" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/446103915"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/4574533"] } } }
