this.concept = concept;
this.properties = new LinkedHashMap<String, Object>(concept.getProperties());
this.backend = backend;
this.conceptMappers = new ArrayList<ConceptQueryMapper>();
this.conceptMappers.add(new AggregationConceptMapper());
this.conceptMappers.add(new AlignmentConceptMapper());
this.conceptMappers.add(new BooleanConceptMapper());
this.conceptMappers.add(new ColorConceptMapper());
this.conceptMappers.add(new ColumnWidthConceptMapper());
this.conceptMappers.add(new DataTypeConceptMapper());