@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2001-05-01" ; dct:creator "Peter Vretanos" ; ns2:hasProfile ; ns1:doctype ; ns1:status ; rdfs:seeAlso , ; skos:altLabel "02-059", "Filter Encoding" ; skos:broader ; skos:definition "A filter is a construct used to describe constraints on properties of a feature class for the purpose of identifying a subset of feature instances to be operated upon in some way."@en ; skos:notation "02-059" ; skos:prefLabel "Filter Encoding"@en .