A brief, text-based tutorial demonstrating a simple first query and how to execute it with Apache Jena. Shows how to formulate a simple command line query using SELECT and WHERE, then execute it using ARQ. Contains a brief overview of how variables and fixed values work.
URL: http://jena.apache.org/tutorials/sparql_query1.html
Keywords: ARQ, Apache Jena, SPARQL
Publisher: The Apache Software Foundation
Language: http://id.loc.gov/vocabulary/iso639-2/eng
Time required: P10M
Educational use: instruction
Educational audience: student
Interactivity type: active
- Execute SPARQL queries using the Jena ARQ command-line utility.
- Interacting with RDF data
- Querying RDF data
- Uses available tools, servers, and endpoints to issue queries against a dataset.
- Execute SPARQL queries using the Jena ARQ command-line utility.
- Execute SPARQL queries using the Jena ARQ command-line utility.
- Uses available tools, servers, and endpoints to issue queries against a dataset.
- Querying RDF data
- Interacting with RDF data
- 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
- Understands the basic syntax of a SPARQL query.
- Interacting with RDF data
- Querying RDF data
- Understands the basic syntax of a SPARQL query.
- Uses angle brackets for delimiting URIs.
- Uses question marks for indicating variables.
- Uses PREFIX for base URIs.
- Understands the basic syntax of a SPARQL query.
- Querying RDF data
- Interacting with RDF data
- Uses variables in SELECT and WHERE clauses to yield a table of results.
- Interacting with RDF data
- Querying RDF data
- Demonstrates a working knowledge of the forms and uses of SPARQL result sets (SELECT, CONSTRUCT, DESCRIBE, and ASK).
- Uses variables in SELECT and WHERE clauses to yield a table of results.
- Uses variables in SELECT and WHERE clauses to yield a table of results.
- Demonstrates a working knowledge of the forms and uses of SPARQL result sets (SELECT, CONSTRUCT, DESCRIBE, and ASK).
- Querying RDF data
- Interacting with RDF data
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