{
await QueuedTask.Run(() =>
{
//Create a connection properties
var kg_props =
new KnowledgeGraphConnectionProperties(new Uri(url));
using (var kg = new KnowledgeGraph(kg_props))
{
// use the KnowledgeGraphPropertyInfo
var propInfo = kg.GetPropertyNameInfo();
var supportsProvenance = propInfo.SupportsProvenance;
var provenanceType = propInfo.ProvenanceTypeName;
var provenanceInfo = propInfo.ProvenancePropertyInfo;
}
});
}
{
await QueuedTask.Run(() =>
{
// check if provenance supported
var propInfo = kg.GetPropertyNameInfo();
if (!propInfo.SupportsProvenance)
return;
//Instantiate an operation for the Create
var edit_op = new EditOperation()
{
Name = "Create a new provenance record",
SelectNewFeatures = true
};
var provName = propInfo.ProvenanceTypeName;
//we will add a row to the provenance for person entity
var person_tbl = kg.OpenDataset<Table>("Person");
//Arbitrarily retrieve the first "person" row
var instance_id = Guid.Empty;
using (var rc = person_tbl.Search())
{
if (!rc.MoveNext())
return;
instance_id = rc.Current.GetGlobalID();//Get the global id
}
var originHandle = new RowHandle(person_tbl, instance_id);
var pd = new KnowledgeGraphProvenanceDescription(
originHandle, "name", KnowledgeGraphSourceType.Document,
"Annual Review 2024", "HR records", "Rock star");
//Create the provenance row
edit_op.Create(pd);
if (edit_op.Execute())
{
//TODO: Operation succeeded
}
});
}
Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)