Uses the regular expression (regex()) function for string matching.
Jena Full Text Search
This documentation explains how to configure and use the Full Text extension to Apache Jena's ARQ (the module is included in Fuseki). The extension combines [...]
Don’t Use a Hammer to Screw in a Nail: Alternatives to REGEX in SPARQL
This brief blog post explains that regular expressions are expensive to evaluate regardless of what language you are using them in. The author suggests that [...]
SPARQL and Linked Data Homework Exercises
This document contains several "written" and "electronic" homework questions originally from the course "Semantic Web Topics" at LeHigh University. They include: Write a series of [...]
SPARQL: Using Operators Tutorial and Quiz
This slide tutorial focuses on using various operators in SPARQL queries. Several examples are provided which include the RDF data being queried, the SPARQL query [...]
XQuery/SPARQL Tutorial
This page shows how to access a SPARQL endpoint using an interface provided by Talis. Potentially more valuable, it also provides several dozen example queries, [...]
0 to 60 on SPARQL queries in 50 minutes
This links to the PDF version of Ethan Gruber's webinar, which provides an introduction to SPARQL, a query language for RDF. Users will gain hands-on [...]
Introduction to SPARQL
A simple (yet thorough) introduction to SPARQL query language based on the W3C documentation. Focuses on aspects of the query language present in SPARQL 1.0 [...]
SPARQL Tutorial: Filters
This brief tutorial discusses how graph matching allows patterns in a graph to be found. This section describes how the values in a solution can [...]