/// <summary>
/// Applies the reasoner on the given ontology, producing a reasoning report.
/// </summary>
public RDFOntologyReasonerReport ApplyToOntology(ref RDFOntology ontology)
{
var report = new RDFOntologyReasonerReport();
if (ontology != null)
{
RDFSemanticsEvents.RaiseSemanticsInfo(String.Format("Reasoner is going to be applied on Ontology '{0}'...", ontology.Value));
//STEP 1: Expand ontology
var ontologyValue = ontology.Value;
ontology = ontology.UnionWith(RDFBASEOntology.Instance);
//STEP 2: Execute BASE rules
#region BASE rules
var baseRules = this.Rules.Where(x => x.RulePriority <= RDFOntologyReasonerRuleset.RulesCount)
.OrderBy(x => x.RulePriority);
foreach (var bRule in baseRules)
{
RDFSemanticsEvents.RaiseSemanticsInfo(String.Format("Launching execution of BASE reasoning rule '{0}'...", bRule));
var bRuleReport = bRule.ExecuteRule(ontology);
report.Merge(bRuleReport);
RDFSemanticsEvents.RaiseSemanticsInfo(String.Format("Completed execution of BASE reasoning rule '{0}': found {1} evidences.", bRule, bRuleReport.EvidencesCount));
}
#endregion
//STEP 3: Execute custom rules
#region Custom rules
var customRules = this.Rules.Where(x => x.RulePriority > RDFOntologyReasonerRuleset.RulesCount)
.OrderBy(x => x.RulePriority);
foreach (var cRule in customRules)
{
RDFSemanticsEvents.RaiseSemanticsInfo(String.Format("Launching execution of reasoning rule '{0}'...", cRule));
var cRuleReport = cRule.ExecuteRule(ontology);
report.Merge(cRuleReport);
RDFSemanticsEvents.RaiseSemanticsInfo(String.Format("Completed execution of reasoning rule '{0}': found {1} evidences.", cRule, cRuleReport.EvidencesCount));
}
#endregion
//STEP 4: Unexpand ontology
ontology = ontology.DifferenceWith(RDFBASEOntology.Instance);
ontology.Value = ontologyValue;
RDFSemanticsEvents.RaiseSemanticsInfo(String.Format("Reasoner has been applied on Ontology '{0}': found " + report.EvidencesCount + " evidences.", ontology.Value));
}
return(report);
}
