@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2007-05-16" ; dct:creator "Ingo Simonis" ; ns2:hasProfile ; ns1:doctype ; ns1:status ; rdfs:seeAlso , ; skos:altLabel "06-028r3", "Sensor Alert Service" ; skos:broader ; skos:definition "The Sensor Alert Service (SAS) can be compared with an event notification system. The sensor node is the object of interest. Each node has to advertise its publications at a SAS (advertise). "@en ; skos:notation "06-028r3" ; skos:prefLabel "Sensor Alert Service"@en .