XML Summer School : September 2009 : Practicals
SPARQL spec:
http://www.w3.org/TR/rdf-sparql-query/
Query web form:
http://sparql.org/xmlss_query.html
Practical 1
The data is already loaded into the query service
- Try some queries:
- All triples (example)
- Get Alice's name given email is <mailto:alice@example.com>.
(example)
- Find the name of the pairsof people who know each other, that is
everybody who knows foaf:knows someone who foaf:knows them back (bonus:
without duplicates) (example)
- Find the books with SPARQL in the title (use regex) (example)
- Execute an example query. Look at the URL used for the request and the
XML returned (use "view source").
- Use the validator to look at the SPARQL algebra.
Practical 2
Software installed
The server is running Joseki for the
SPARQL protocol and ARQ (and
Jena) for the query engine. All are open
source with a BSD-class license.