Differentiates between a Default Graph and a Named Graph, and formulates queries using the GRAPH clause.
Semantic Queries
This is the sixth chapter in MarkLogic's "Semantic Developer's Guide". This chapter discusses the principal techniques and tools used for performing semantic queries on RDF [...]
SPARQL FAQs
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 [...]
Learning SPARQL: 2nd Edition
This book teaches how to use SPARQL 1.1, starting off with simple queries that demonstrate the language using a query-by-example approach and then taking the [...]
Learning SPARQL: 2nd Edition – Sample data, queries, scripts, and output
These sample queries and output were originally published as teaching tools intended to complement Learning SPARQL: 2nd Edition by Bob DuCharme. The preface of the [...]
University of Southampton SPARQL endpoint
This interface implements SPARQL and SPARQL+ via HTTP Bindings. Enabled operations: select, construct, ask, describe (Max. number of results : 2000). Includes three sample queries: [...]
SPARQL by Example: The Cheat Sheet
SPARQL Cheat Sheet is a short collection of slides intended to act as a guide or reference to SPARQL developers. It includes the syntax and [...]
Learn About SPARQL 1.1
This S5 format slideshow details the changes made to the query language in SPARQL 1.1- it is not a basic introduction to SPARQL and assumes [...]
Expressive Languages for Querying the Semantic Web
SPARQL 1.1 was recently released, which includes entailment regimes for RDFS and OWL vocabularies and a mechanism to express navigation patterns through regular expressions. Unfortunately, [...]
Dynamic Querying of Mass-Storage RDF Data with Rule-Based Entailment Regimes?
SPARQL is the W3C standard for querying RDF data, but it mostly provides means for querying simple RDF graphs only, whereas querying with respect to [...]
Using SPARQL with RDFS and OWL Entailment
This chapter accompanied the lecture on SPARQL with entailment regimes given at the 7th Reasoning Web Summer School in Galway, Ireland, 2011. It first introduces [...]