Tutorial explaining how the UNION keyword works using RDF principles. Topic is continued from the last video of the series, which showed an example of the UNION keyword in use.
URL: https://www.youtube.com/watch?v=rPp1DOkk4RE
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: P5M
- Understands that a SPARQL query matches an RDF graph against a pattern of triples with fixed and variable values.
- Interacting with RDF data
- Querying RDF data
- Understands that a SPARQL query matches an RDF graph against a pattern of triples with fixed and variable values.
- Understands that a SPARQL query matches an RDF graph against a pattern of triples with fixed and variable values.
- Querying RDF data
- Interacting with RDF data
- Uses UNION to formulate queries with multiple possible graph patterns.
- Interacting with RDF data
- Querying RDF data
- Understands how to combine and filter graph patterns using operators such as UNION, OPTIONAL, FILTER, and MINUS.
- Uses UNION to formulate queries with multiple possible graph patterns.
- Uses UNION to formulate queries with multiple possible graph patterns.
- Understands how to combine and filter graph patterns using operators such as UNION, OPTIONAL, FILTER, and MINUS.
- Querying RDF data
- Interacting with RDF data
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