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- SPARQL Tutorial
- Getting Started with SPARQL
- SPARQL Queries for Data Maintenance
- SPARQL Queries for Publications and Authors
- SPARQL for Developers
- Setting up a VIVO SPARQL Endpoint
- Rich export SPARQL queries
Also, as a reference work:Learning Sparql is an excellent O'Reilly book. The book's web site has examples, video and other resources for those learning SPARQL.