Tutorial showing how to modify a query to return instances of data that may or may not exist- the OPTIONAL Graph Pattern.

URL: https://www.youtube.com/watch?v=Bu24sfQcyow
Keywords: SPARQL
Author: Sadawi, Noureddin
Date created: 2014-03-03 07:00:00.000
Language: http://id.loc.gov/vocabulary/iso639-2/eng
Time required: P10M

  • Competencies