{ "items" : [
    { "id" : "http://dbpedia.org/resource/Doob_martingale"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A Doob martingale (also known as a Levy martingale) is a mathematical construction of a stochastic process which approximates a given random variable and has the martingale property with respect to the given filtration."] } } }
