This set of FAQs was written before SPARQL 1.1, making it obsolete for practical purposes. However, its treatment of topics such as how SPARQL deals with RDF Schema and OWL entailment regimes, sub-queries, and insert, update, and delete operations is informative in the sense that it explains the reasons why the changes made in SPARQL 1.1 were necessary.
URL: http://thefigtrees.net/lee/sw/sparql-faq#universal
Keywords: SPARQL, Triples, Graph
Author: Feigenbaum, Lee
Date created: 2008-02-08 05:00:00.000
Language: http://id.loc.gov/vocabulary/iso639-2/eng
Time required: P20M
Educational audience: student
- Formulates advanced queries using subqueries.
- Understands blank nodes and their uses.
- Understands that a SPARQL query matches an RDF graph against a pattern of triples with fixed and variable values.
- Understands the difference between SQL query language (which operates on database tables) and SPARQL (which operates on RDF graphs).