Interacting with RDF data
SPARQL Tutorial: Basic Patterns
A brief, text-based tutorial covering basic patterns and solutions, the main building blocks of SPARQL queries. Discusses variables and fixed values, the SELECT query, and [...]
Installing and Managing Virtuoso SPARQL Endpoint
Instructions for installing, configuring, and managing Virtuoso SPARQL endpoints (community edition). This tutorial documents instructions for installing, configuring and managing Virtuoso Open Source Edition (VOSE) [...]
Simple SPARQL Tutorial: Counting with COUNT
Tutorial explaining how the COUNT keyword allows one to determine the number of triples present in a dataset. Also shows how to use COUNT to [...]
Simple SPARQL Tutorial: More on SPARQL UNION
Tutorial explaining how the UNION keyword works using RDF principles. Topic is continued from the last video of the series, which showed an example of [...]
SPARQL Nuts & Bolts
The "SPARQL 101" lesson introduced SPARQL, explained how it relates to other query languages, and went through its basic syntax. This lesson builds on that [...]
Tutorial on Ontology Management
This PowerPoint presentation uses the famous Wine Ontology example to cover ontology development basics. It answers the question, "What is an ontology and why do [...]
Designing and Developing Vocabularies in RDF
This slide presentation aims to help the user answer the following questions: What are the best practices or creating an RDF vocabulary for modelling data; [...]
Building Linked Open Government Data Visualizations
By the end of this tutorial the user should be able to generate a Javascript-based visualization through the Google Visualization API. This tutorial assumes familiarity [...]
JSON-LD 1.0
This specification defines JSON-LD, a JSON-based format to serialize Linked Data. The syntax is designed to easily integrate into deployed systems that already use JSON, [...]
Mashing Up LOGD Data with SPARQL
By the end of this tutorial the user should be able to understand how to use SPARQL queries to mash up LOGD datasets, as well [...]