✓ Entity Type & Sample Entities Query Results

Named Graph: http://demo.openlinksw.com/demo#

Ontology Graph: http://demo.openlinksw.com/schemas/demo#

Status: ✓ Ontology Fully Loaded - All Property IRIs Resolvable

SELECT ?entityType (SAMPLE(?entity) AS ?sampleEntity) (COUNT(DISTINCT ?entity) AS ?entityCount) WHERE { GRAPH <http://demo.openlinksw.com/demo#> { ?entity rdf:type ?entityType ; ?predicate ?obj . } } GROUP BY ?entityType ORDER BY DESC(?entityCount)

✓ Query Execution Successful

The following SPARQL query was executed against the Knowledge Graph named graph to retrieve entity type distribution with sample entity IRIs. All results now include fully resolvable semantic metadata via the loaded OWL ontology.

8
Entity Types
3,203
Total Entities
7
Business Types
469
Ontology Triples

Entity Type & Sample Entities - Hyperlinked Results

Entity Type (IRI) Sample Entity (IRI) Entity Count
demo:Order_Details /demo/order_details/OrderID/10285/ProductID/1#this Order ID: 10285, Product ID: 1 2,156
demo:Orders /demo/orders/OrderID/10643#this Order ID: 10643 831
demo:Customers /demo/customers/CustomerID/ALFKI#this Customer ID: ALFKI (Alfreds Futterkiste) 91
demo:Products /demo/products/ProductID/1#this Product ID: 1 77
demo:Suppliers /demo/suppliers/SupplierID/1#this Supplier ID: 1 29
demo:Categories /demo/categories/CategoryID/1#this Category ID: 1 8
aowl:Content
(Binary Content) 		/demo/objects/categories/CategoryID/1/Picture.bin Category Picture - Binary Data 8
demo:Shippers /demo/shippers/ShipperID/3#this Shipper ID: 3 3

Query Execution Details

  • Named Graph: http://demo.openlinksw.com/demo# (RDF data layer)
  • Ontology Graph: http://demo.openlinksw.com/schemas/demo# (469 triples loaded)
  • Data Source: Demo.demo relational schema (7 tables)
  • Quad Maps: 7 active (Customers, Orders, Order_Details, Products, Categories, Suppliers, Shippers)
  • Execution Time: Real-time SPARQL query on virtual RDF Views
  • Result Set: 8 entity types with 3,203 total entities
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX demo: <http://demo.openlinksw.com/schemas/demo/> SELECT ?entityType (SAMPLE(?entity) AS ?sampleEntity) (COUNT(DISTINCT ?entity) AS ?entityCount) WHERE { GRAPH <http://demo.openlinksw.com/demo#> { ?entity rdf:type ?entityType ; ?predicate ?obj . } } GROUP BY ?entityType ORDER BY DESC(?entityCount)

✓ Knowledge Graph Verification Complete

All sample entity IRIs are now fully resolvable with complete semantic metadata. Click on any Entity Type link to view the ontology definition with all properties, domains, and ranges. Click on any Sample Entity link to view the complete RDF description with resolved property labels and types.

Linked Data Principles Verified: Unique HTTP-resolvable IRIs with content negotiation support, semantic metadata via OWL ontology, and RDF triple representation of all entities and relationships.