{ "items" : [
    { "id" : "http://dbpedia.org/resource/Variational_inequality"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In mathematics, a variational inequality is an inequality involving a functional, which has to be solved for all possible values of a given variable, belonging usually to a convex set."] } } }
