/// <summary>
/// Checks if the skos:narrower/skos:narrowerTransitive/skos:narrowMatch relation can be added to the given aConcept with the given bConcept
/// </summary>
internal static Boolean CheckNarrowerRelation(RDFSKOSConceptScheme conceptScheme,
RDFSKOSConcept aConcept,
RDFSKOSConcept bConcept)
{
var canAddNarrowerRel = false;
//Avoid clash with hierarchical relations
canAddNarrowerRel = !conceptScheme.CheckHasBroaderConcept(aConcept, bConcept);
//Avoid clash with associative relations
if (canAddNarrowerRel)
{
canAddNarrowerRel = !conceptScheme.CheckHasRelatedConcept(aConcept, bConcept);
}
//Avoid clash with mapping relations
if (canAddNarrowerRel)
{
canAddNarrowerRel = (!conceptScheme.CheckHasBroadMatchConcept(aConcept, bConcept) &&
!conceptScheme.CheckHasCloseMatchConcept(aConcept, bConcept) &&
!conceptScheme.CheckHasExactMatchConcept(aConcept, bConcept) &&
!conceptScheme.CheckHasRelatedMatchConcept(aConcept, bConcept));
}
return(canAddNarrowerRel);
}
/// <summary>
/// Checks if the skos:hiddenLabel/skosxl:hiddenLabel informations can be added to the given concept
/// </summary>
internal static Boolean CheckHiddenLabel(RDFSKOSConceptScheme conceptScheme,
RDFOntologyFact concept,
RDFOntologyLiteral literal)
{
var canAddHiddenLabelInfo = false;
//Pairwise disjointness with skos:prefLabel/skosxl:prefLabel must be preserved
canAddHiddenLabelInfo = !(conceptScheme.Annotations.PrefLabel.SelectEntriesBySubject(concept)
.Any(x => x.TaxonomyObject.Equals(literal)));
if (canAddHiddenLabelInfo)
{
canAddHiddenLabelInfo = !(conceptScheme.Relations.PrefLabel.SelectEntriesBySubject(concept)
.Any(x => conceptScheme.Relations.LiteralForm.SelectEntriesBySubject(x.TaxonomyObject)
.Any(y => y.TaxonomyObject.Equals(literal))));
}
//Pairwise disjointness with skos:altLabel/skosxl:altLabel must be preserved
if (canAddHiddenLabelInfo)
{
canAddHiddenLabelInfo = !(conceptScheme.Annotations.AltLabel.SelectEntriesBySubject(concept)
.Any(x => x.TaxonomyObject.Equals(literal)));
}
if (canAddHiddenLabelInfo)
{
canAddHiddenLabelInfo = !(conceptScheme.Relations.AltLabel.SelectEntriesBySubject(concept)
.Any(x => conceptScheme.Relations.LiteralForm.SelectEntriesBySubject(x.TaxonomyObject)
.Any(y => y.TaxonomyObject.Equals(literal))));
}
return(canAddHiddenLabelInfo);
}
/// <summary>
/// Builds a new difference scheme from this scheme and a given one
/// </summary>
public RDFSKOSConceptScheme DifferenceWith(RDFSKOSConceptScheme conceptScheme)
{
var result = new RDFSKOSConceptScheme(new RDFResource());
if (conceptScheme != null)
{
//Add difference concepts
foreach (var c in this)
{
if (!conceptScheme.Concepts.ContainsKey(c.PatternMemberID))
{
result.AddConcept(c);
}
}
//Add difference collections
foreach (var c in this.Collections.Values)
{
if (!conceptScheme.Collections.ContainsKey(c.PatternMemberID))
{
result.AddCollection(c);
}
}
//Add difference ordered collections
foreach (var o in this.OrderedCollections.Values)
{
if (!conceptScheme.OrderedCollections.ContainsKey(o.PatternMemberID))
{
result.AddOrderedCollection(o);
}
}
//Add difference labels
foreach (var l in this.Labels.Values)
{
if (!conceptScheme.Labels.ContainsKey(l.PatternMemberID))
{
result.AddLabel(l);
}
}
//Add difference relations
result.Relations.TopConcept = this.Relations.TopConcept.DifferenceWith(conceptScheme.Relations.TopConcept);
result.Relations.Broader = this.Relations.Broader.DifferenceWith(conceptScheme.Relations.Broader);
result.Relations.BroaderTransitive = this.Relations.BroaderTransitive.DifferenceWith(conceptScheme.Relations.BroaderTransitive);
result.Relations.BroadMatch = this.Relations.BroadMatch.DifferenceWith(conceptScheme.Relations.BroadMatch);
result.Relations.Narrower = this.Relations.Narrower.DifferenceWith(conceptScheme.Relations.Narrower);
result.Relations.NarrowerTransitive = this.Relations.NarrowerTransitive.DifferenceWith(conceptScheme.Relations.NarrowerTransitive);
result.Relations.NarrowMatch = this.Relations.NarrowMatch.DifferenceWith(conceptScheme.Relations.NarrowMatch);
result.Relations.Related = this.Relations.Related.DifferenceWith(conceptScheme.Relations.Related);
result.Relations.RelatedMatch = this.Relations.RelatedMatch.DifferenceWith(conceptScheme.Relations.RelatedMatch);
result.Relations.SemanticRelation = this.Relations.SemanticRelation.DifferenceWith(conceptScheme.Relations.SemanticRelation);
result.Relations.MappingRelation = this.Relations.MappingRelation.DifferenceWith(conceptScheme.Relations.MappingRelation);
result.Relations.CloseMatch = this.Relations.CloseMatch.DifferenceWith(conceptScheme.Relations.CloseMatch);
result.Relations.ExactMatch = this.Relations.ExactMatch.DifferenceWith(conceptScheme.Relations.ExactMatch);
result.Relations.Notation = this.Relations.Notation.DifferenceWith(conceptScheme.Relations.Notation);
result.Relations.PrefLabel = this.Relations.PrefLabel.DifferenceWith(conceptScheme.Relations.PrefLabel);
result.Relations.AltLabel = this.Relations.AltLabel.DifferenceWith(conceptScheme.Relations.AltLabel);
result.Relations.HiddenLabel = this.Relations.HiddenLabel.DifferenceWith(conceptScheme.Relations.HiddenLabel);
result.Relations.LiteralForm = this.Relations.LiteralForm.DifferenceWith(conceptScheme.Relations.LiteralForm);
result.Relations.LabelRelation = this.Relations.LabelRelation.DifferenceWith(conceptScheme.Relations.LabelRelation);
//Add difference annotations
result.Annotations.PrefLabel = this.Annotations.PrefLabel.DifferenceWith(conceptScheme.Annotations.PrefLabel);
result.Annotations.AltLabel = this.Annotations.AltLabel.DifferenceWith(conceptScheme.Annotations.AltLabel);
result.Annotations.HiddenLabel = this.Annotations.HiddenLabel.DifferenceWith(conceptScheme.Annotations.HiddenLabel);
result.Annotations.Note = this.Annotations.Note.DifferenceWith(conceptScheme.Annotations.Note);
result.Annotations.ChangeNote = this.Annotations.ChangeNote.DifferenceWith(conceptScheme.Annotations.ChangeNote);
result.Annotations.EditorialNote = this.Annotations.EditorialNote.DifferenceWith(conceptScheme.Annotations.EditorialNote);
result.Annotations.HistoryNote = this.Annotations.HistoryNote.DifferenceWith(conceptScheme.Annotations.HistoryNote);
result.Annotations.ScopeNote = this.Annotations.ScopeNote.DifferenceWith(conceptScheme.Annotations.ScopeNote);
result.Annotations.Definition = this.Annotations.Definition.DifferenceWith(conceptScheme.Annotations.Definition);
result.Annotations.Example = this.Annotations.Example.DifferenceWith(conceptScheme.Annotations.Example);
}
else
{
//Add concepts from this scheme
foreach (var c in this)
{
result.AddConcept(c);
}
//Add collections from this scheme
foreach (var c in this.Collections.Values)
{
result.AddCollection(c);
}
//Add ordered collections from this scheme
foreach (var o in this.OrderedCollections.Values)
{
result.AddOrderedCollection(o);
}
//Add labels from this scheme
foreach (var l in this.Labels.Values)
{
result.AddLabel(l);
}
//Add relations from this scheme
result.Relations.TopConcept = result.Relations.TopConcept.UnionWith(this.Relations.TopConcept);
result.Relations.Broader = result.Relations.Broader.UnionWith(this.Relations.Broader);
result.Relations.BroaderTransitive = result.Relations.BroaderTransitive.UnionWith(this.Relations.BroaderTransitive);
result.Relations.BroadMatch = result.Relations.BroadMatch.UnionWith(this.Relations.BroadMatch);
result.Relations.Narrower = result.Relations.Narrower.UnionWith(this.Relations.Narrower);
result.Relations.NarrowerTransitive = result.Relations.NarrowerTransitive.UnionWith(this.Relations.NarrowerTransitive);
result.Relations.NarrowMatch = result.Relations.NarrowMatch.UnionWith(this.Relations.NarrowMatch);
result.Relations.Related = result.Relations.Related.UnionWith(this.Relations.Related);
result.Relations.RelatedMatch = result.Relations.RelatedMatch.UnionWith(this.Relations.RelatedMatch);
result.Relations.SemanticRelation = result.Relations.SemanticRelation.UnionWith(this.Relations.SemanticRelation);
result.Relations.MappingRelation = result.Relations.MappingRelation.UnionWith(this.Relations.MappingRelation);
result.Relations.CloseMatch = result.Relations.CloseMatch.UnionWith(this.Relations.CloseMatch);
result.Relations.ExactMatch = result.Relations.ExactMatch.UnionWith(this.Relations.ExactMatch);
result.Relations.Notation = result.Relations.Notation.UnionWith(this.Relations.Notation);
result.Relations.PrefLabel = result.Relations.PrefLabel.UnionWith(this.Relations.PrefLabel);
result.Relations.AltLabel = result.Relations.AltLabel.UnionWith(this.Relations.AltLabel);
result.Relations.HiddenLabel = result.Relations.HiddenLabel.UnionWith(this.Relations.HiddenLabel);
result.Relations.LiteralForm = result.Relations.LiteralForm.UnionWith(this.Relations.LiteralForm);
result.Relations.LabelRelation = result.Relations.LabelRelation.UnionWith(this.Relations.LabelRelation);
//Add annotations from this scheme
result.Annotations.PrefLabel = result.Annotations.PrefLabel.UnionWith(this.Annotations.PrefLabel);
result.Annotations.AltLabel = result.Annotations.AltLabel.UnionWith(this.Annotations.AltLabel);
result.Annotations.HiddenLabel = result.Annotations.HiddenLabel.UnionWith(this.Annotations.HiddenLabel);
result.Annotations.Note = result.Annotations.Note.UnionWith(this.Annotations.Note);
result.Annotations.ChangeNote = result.Annotations.ChangeNote.UnionWith(this.Annotations.ChangeNote);
result.Annotations.EditorialNote = result.Annotations.EditorialNote.UnionWith(this.Annotations.EditorialNote);
result.Annotations.HistoryNote = result.Annotations.HistoryNote.UnionWith(this.Annotations.HistoryNote);
result.Annotations.ScopeNote = result.Annotations.ScopeNote.UnionWith(this.Annotations.ScopeNote);
result.Annotations.Definition = result.Annotations.Definition.UnionWith(this.Annotations.Definition);
result.Annotations.Example = result.Annotations.Example.UnionWith(this.Annotations.Example);
}
return(result);
}
/// <summary>
/// Checks if the skos:prefLabel/skosxl:prefLabel informations can be added to the given concept
/// </summary>
internal static Boolean CheckPrefLabel(RDFSKOSConceptScheme conceptScheme,
RDFOntologyFact concept,
RDFOntologyLiteral literal)
{
var canAddPrefLabelInfo = false;
var prefLabelLiteralLang = ((RDFPlainLiteral)literal.Value).Language;
//Plain literal without language tag: only one occurrence of this information is allowed
if (String.IsNullOrEmpty(prefLabelLiteralLang))
{
//Check skos:prefLabel annotation
canAddPrefLabelInfo = !(conceptScheme.Annotations.PrefLabel.SelectEntriesBySubject(concept)
.Any(x => x.TaxonomyObject.Value is RDFPlainLiteral &&
String.IsNullOrEmpty(((RDFPlainLiteral)x.TaxonomyObject.Value).Language)));
//Check skosxl:prefLabel relation
if (canAddPrefLabelInfo)
{
canAddPrefLabelInfo = !(conceptScheme.Relations.PrefLabel.SelectEntriesBySubject(concept)
.Any(x => conceptScheme.Relations.LiteralForm.SelectEntriesBySubject(x.TaxonomyObject)
.Any(y => y.TaxonomyObject.Value is RDFPlainLiteral &&
String.IsNullOrEmpty(((RDFPlainLiteral)y.TaxonomyObject.Value).Language))));
}
}
//Plain literal with language tag: only one occurrence of this information per language tag is allowed
else
{
//Check skos:prefLabel annotation
canAddPrefLabelInfo = !(conceptScheme.Annotations.PrefLabel.SelectEntriesBySubject(concept)
.Any(x => x.TaxonomyObject.Value is RDFPlainLiteral &&
!String.IsNullOrEmpty(((RDFPlainLiteral)x.TaxonomyObject.Value).Language) &&
(((RDFPlainLiteral)x.TaxonomyObject.Value).Language).Equals(prefLabelLiteralLang, StringComparison.OrdinalIgnoreCase)));
//Check skosxl:prefLabel relation
if (canAddPrefLabelInfo)
{
canAddPrefLabelInfo = !(conceptScheme.Relations.PrefLabel.SelectEntriesBySubject(concept)
.Any(x => conceptScheme.Relations.LiteralForm.SelectEntriesBySubject(x.TaxonomyObject)
.Any(y => y.TaxonomyObject.Value is RDFPlainLiteral &&
!String.IsNullOrEmpty(((RDFPlainLiteral)x.TaxonomyObject.Value).Language) &&
(((RDFPlainLiteral)x.TaxonomyObject.Value).Language).Equals(prefLabelLiteralLang, StringComparison.OrdinalIgnoreCase))));
}
}
//Pairwise disjointness with skos:altLabel/skosxl:altLabel must be preserved
if (canAddPrefLabelInfo)
{
//Check skos:altLabel annotation
canAddPrefLabelInfo = !(conceptScheme.Annotations.AltLabel.SelectEntriesBySubject(concept)
.Any(x => x.TaxonomyObject.Equals(literal)));
//Check skosxl:altLabel relation
if (canAddPrefLabelInfo)
{
canAddPrefLabelInfo = !(conceptScheme.Relations.AltLabel.SelectEntriesBySubject(concept)
.Any(x => conceptScheme.Relations.LiteralForm.SelectEntriesBySubject(x.TaxonomyObject)
.Any(y => y.TaxonomyObject.Equals(literal))));
}
}
//Pairwise disjointness with skos:hiddenLabel/skosxl:hiddenLabel must be preserved
if (canAddPrefLabelInfo)
{
//Check skos:hiddenLabel annotation
canAddPrefLabelInfo = !(conceptScheme.Annotations.HiddenLabel.SelectEntriesBySubject(concept)
.Any(x => x.TaxonomyObject.Equals(literal)));
//Check skosxl:hiddenLabel assertion
if (canAddPrefLabelInfo)
{
canAddPrefLabelInfo = !(conceptScheme.Relations.HiddenLabel.SelectEntriesBySubject(concept)
.Any(x => conceptScheme.Relations.LiteralForm.SelectEntriesBySubject(x.TaxonomyObject)
.Any(y => y.TaxonomyObject.Equals(literal))));
}
}
return(canAddPrefLabelInfo);
}
/// <summary>
/// Builds a new union scheme from this scheme and a given one
/// </summary>
public RDFSKOSConceptScheme UnionWith(RDFSKOSConceptScheme conceptScheme)
{
var result = new RDFSKOSConceptScheme(new RDFResource());
//Add concepts from this scheme
foreach (var c in this)
{
result.AddConcept(c);
}
//Add collections from this scheme
foreach (var c in this.Collections.Values)
{
result.AddCollection(c);
}
//Add ordered collections from this scheme
foreach (var o in this.OrderedCollections.Values)
{
result.AddOrderedCollection(o);
}
//Add labels from this scheme
foreach (var l in this.Labels.Values)
{
result.AddLabel(l);
}
//Add relations from this scheme
result.Relations.TopConcept = result.Relations.TopConcept.UnionWith(this.Relations.TopConcept);
result.Relations.Broader = result.Relations.Broader.UnionWith(this.Relations.Broader);
result.Relations.BroaderTransitive = result.Relations.BroaderTransitive.UnionWith(this.Relations.BroaderTransitive);
result.Relations.BroadMatch = result.Relations.BroadMatch.UnionWith(this.Relations.BroadMatch);
result.Relations.Narrower = result.Relations.Narrower.UnionWith(this.Relations.Narrower);
result.Relations.NarrowerTransitive = result.Relations.NarrowerTransitive.UnionWith(this.Relations.NarrowerTransitive);
result.Relations.NarrowMatch = result.Relations.NarrowMatch.UnionWith(this.Relations.NarrowMatch);
result.Relations.Related = result.Relations.Related.UnionWith(this.Relations.Related);
result.Relations.RelatedMatch = result.Relations.RelatedMatch.UnionWith(this.Relations.RelatedMatch);
result.Relations.SemanticRelation = result.Relations.SemanticRelation.UnionWith(this.Relations.SemanticRelation);
result.Relations.MappingRelation = result.Relations.MappingRelation.UnionWith(this.Relations.MappingRelation);
result.Relations.CloseMatch = result.Relations.CloseMatch.UnionWith(this.Relations.CloseMatch);
result.Relations.ExactMatch = result.Relations.ExactMatch.UnionWith(this.Relations.ExactMatch);
result.Relations.Notation = result.Relations.Notation.UnionWith(this.Relations.Notation);
result.Relations.PrefLabel = result.Relations.PrefLabel.UnionWith(this.Relations.PrefLabel);
result.Relations.AltLabel = result.Relations.AltLabel.UnionWith(this.Relations.AltLabel);
result.Relations.HiddenLabel = result.Relations.HiddenLabel.UnionWith(this.Relations.HiddenLabel);
result.Relations.LiteralForm = result.Relations.LiteralForm.UnionWith(this.Relations.LiteralForm);
result.Relations.LabelRelation = result.Relations.LabelRelation.UnionWith(this.Relations.LabelRelation);
//Add annotations from this scheme
result.Annotations.PrefLabel = result.Annotations.PrefLabel.UnionWith(this.Annotations.PrefLabel);
result.Annotations.AltLabel = result.Annotations.AltLabel.UnionWith(this.Annotations.AltLabel);
result.Annotations.HiddenLabel = result.Annotations.HiddenLabel.UnionWith(this.Annotations.HiddenLabel);
result.Annotations.Note = result.Annotations.Note.UnionWith(this.Annotations.Note);
result.Annotations.ChangeNote = result.Annotations.ChangeNote.UnionWith(this.Annotations.ChangeNote);
result.Annotations.EditorialNote = result.Annotations.EditorialNote.UnionWith(this.Annotations.EditorialNote);
result.Annotations.HistoryNote = result.Annotations.HistoryNote.UnionWith(this.Annotations.HistoryNote);
result.Annotations.ScopeNote = result.Annotations.ScopeNote.UnionWith(this.Annotations.ScopeNote);
result.Annotations.Definition = result.Annotations.Definition.UnionWith(this.Annotations.Definition);
result.Annotations.Example = result.Annotations.Example.UnionWith(this.Annotations.Example);
//Manage the given scheme
if (conceptScheme != null)
{
//Add concepts from the given scheme
foreach (var c in conceptScheme)
{
result.AddConcept(c);
}
//Add collections from the given scheme
foreach (var c in conceptScheme.Collections.Values)
{
result.AddCollection(c);
}
//Add ordered collections from the given scheme
foreach (var o in conceptScheme.OrderedCollections.Values)
{
result.AddOrderedCollection(o);
}
//Add labels from the given scheme
foreach (var l in conceptScheme.Labels.Values)
{
result.AddLabel(l);
}
//Add relations from the given scheme
result.Relations.TopConcept = result.Relations.TopConcept.UnionWith(conceptScheme.Relations.TopConcept);
result.Relations.Broader = result.Relations.Broader.UnionWith(conceptScheme.Relations.Broader);
result.Relations.BroaderTransitive = result.Relations.BroaderTransitive.UnionWith(conceptScheme.Relations.BroaderTransitive);
result.Relations.BroadMatch = result.Relations.BroadMatch.UnionWith(conceptScheme.Relations.BroadMatch);
result.Relations.Narrower = result.Relations.Narrower.UnionWith(conceptScheme.Relations.Narrower);
result.Relations.NarrowerTransitive = result.Relations.NarrowerTransitive.UnionWith(conceptScheme.Relations.NarrowerTransitive);
result.Relations.NarrowMatch = result.Relations.NarrowMatch.UnionWith(conceptScheme.Relations.NarrowMatch);
result.Relations.Related = result.Relations.Related.UnionWith(conceptScheme.Relations.Related);
result.Relations.RelatedMatch = result.Relations.RelatedMatch.UnionWith(conceptScheme.Relations.RelatedMatch);
result.Relations.SemanticRelation = result.Relations.SemanticRelation.UnionWith(conceptScheme.Relations.SemanticRelation);
result.Relations.MappingRelation = result.Relations.MappingRelation.UnionWith(conceptScheme.Relations.MappingRelation);
result.Relations.CloseMatch = result.Relations.CloseMatch.UnionWith(conceptScheme.Relations.CloseMatch);
result.Relations.ExactMatch = result.Relations.ExactMatch.UnionWith(conceptScheme.Relations.ExactMatch);
result.Relations.Notation = result.Relations.Notation.UnionWith(conceptScheme.Relations.Notation);
result.Relations.PrefLabel = result.Relations.PrefLabel.UnionWith(conceptScheme.Relations.PrefLabel);
result.Relations.AltLabel = result.Relations.AltLabel.UnionWith(conceptScheme.Relations.AltLabel);
result.Relations.HiddenLabel = result.Relations.HiddenLabel.UnionWith(conceptScheme.Relations.HiddenLabel);
result.Relations.LiteralForm = result.Relations.LiteralForm.UnionWith(conceptScheme.Relations.LiteralForm);
result.Relations.LabelRelation = result.Relations.LabelRelation.UnionWith(conceptScheme.Relations.LabelRelation);
//Add annotations from the given scheme
result.Annotations.PrefLabel = result.Annotations.PrefLabel.UnionWith(conceptScheme.Annotations.PrefLabel);
result.Annotations.AltLabel = result.Annotations.AltLabel.UnionWith(conceptScheme.Annotations.AltLabel);
result.Annotations.HiddenLabel = result.Annotations.HiddenLabel.UnionWith(conceptScheme.Annotations.HiddenLabel);
result.Annotations.Note = result.Annotations.Note.UnionWith(conceptScheme.Annotations.Note);
result.Annotations.ChangeNote = result.Annotations.ChangeNote.UnionWith(conceptScheme.Annotations.ChangeNote);
result.Annotations.EditorialNote = result.Annotations.EditorialNote.UnionWith(conceptScheme.Annotations.EditorialNote);
result.Annotations.HistoryNote = result.Annotations.HistoryNote.UnionWith(conceptScheme.Annotations.HistoryNote);
result.Annotations.ScopeNote = result.Annotations.ScopeNote.UnionWith(conceptScheme.Annotations.ScopeNote);
result.Annotations.Definition = result.Annotations.Definition.UnionWith(conceptScheme.Annotations.Definition);
result.Annotations.Example = result.Annotations.Example.UnionWith(conceptScheme.Annotations.Example);
}
return(result);
}