Understands the difference between SQL query language (which operates on database tables) and SPARQL (which operates on RDF graphs).
Answering SPARQL Queries over Databases under OWL 2 QL Entailment Regime
This paper presents an extension of the ontology-based data access platform Ontop that supports answering SPARQL queries under the OWL 2 QL direct semantics entailment [...]
Querying Semantic Data
After this tutorial, you should be able to: Build your own basic SPARQL queries, step-by-step; Understand that SPARQL is not just a query language, it [...]
Usage of Linked Data: Introduction and Application Scenarios
This slide presentation introduces the main principles of Linked Data, as well as underlying technologies and background standards. It provides basic knowledge for how data [...]
Challenges with Linked Data in Libraries
This talk addresses the obstacles that libraries will have to overcome in order to integrate library data into the Semantic Web reap the benefits of [...]
Simple SPARQL Tutorial: Overview
In this video the presenter explains how he intends, over a series of videos, to teach the viewer the SPARQL query language. The exercises are [...]
NoSQL and Triple Stores
This slide presentation offers a comparison and contrast of RDF triple stores and NoSQL, seeking to answer the question, "are triples stores NoSQL, or not"?URL: [...]
SPARQL Queries on a Web 3.0 Database
Demonstrates how to load RDF and OWL knowledge bases into AllegroGraph and how queries are executed over the data with an optimized SPARQL engine. Also [...]
From SQL to SPARQL
This presentation gives an overview of the SPARQL query language and how it is different than SQL, which is used for relational databases. Mentions several [...]
Learn SPARQL
This set of lessons is an introduction to SPARQL, the Semantic Web query language. The lessons begin with a basic SPARQL tutorial for beginners before [...]
Module 1: Introduction and Application Scenarios
This module introduces the main principles of Linked Data, the underlying technologies and background standards. It provides basic knowledge for how data can be published [...]