1. AllegroGraph
RDF Graph Database
Create Triples with Talend ETL

2. Confidential
How to ETL from a Relational system to
an RDF Graph
•Source and Metadata Column and datatype
•Mapping and Transformation
•Generate Output
•N-Triples
•N-Quads
•N-Quads Extended

3. Confidential
Designer

4. Confidential
Create New Data Source Connection

5. Confidential
• Enter Connection
Information
• Check the Connection
• DB Version: refers to the
JDBC driver
New Connection

6. Confidential
• Collect information about
the table
• Columns
• Datatypes
• Field Lengths
Connection Metadata

7. Confidential
Connection Metadata cont.

8. Confidential
Connection Metadata cont.

9. Confidential
Create an ETL Job

10. Confidential
Add Data Source to the Job

11. Confidential
Add Data Source to the Job

12. Confidential
Add Components to the Job

13. Confidential
Connecting Data Source to Mapper

14. Confidential
• Editable Options
• Change the Query
• Join/Filter
DataSource Details

15. Confidential
Run the Job

16. Confidential
Open the Mapper

17. Confidential
Create the Class to Output

18. Confidential
Back to the Mapper

19. Confidential
Add Mappings

20. Confidential
Add Mapping cont

21. Confidential
Expression Builder

22. Confidential
Expression Builder cont.

23. Confidential
Expression Builder cont.

24. Confidential
Building Output

25. Confidential
Connecting Output

26. Confidential
Testing and Debugging

27. Confidential
Testing and Debugging cont.

28. Confidential
Legal RDF

29. Confidential
Little Details

30. Confidential
Other Transformations