FOAF-a-Matic
FOAF-a-matic is a simple JavaScript application that allows you to create a FOAF (Friend-of-A-Friend) description of yourself. FOAF is a way to describe yourself using [...]
Querying Linked Data
This presentation looks in detail at SPARQL and introduces approaches for querying and updating semantic data. It covers the SPARQL algebra, the SPARQL protocol, and [...]
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 [...]
Simple SPARQL Tutorial: RDF Model – Turtle Format … the data to query
In this video, the presenter lays the groundwork for learning SPARQL by explaining the purpose of RDF triples. He then introduces the viewer to the [...]
SPARQL Tutorial: Alternatives in a Pattern
This brief tutorial shows that another way of dealing with the semi-structured nature of RDF data is to query for one of a number of [...]
SPARQL Tutorial: Optional Information
This brief tutorial emphasizes that RDF is semi-structured data, which means that SPARQL has the ability to query for data but will fail when that [...]
An Introduction to RDF and the Jena API
This is a tutorial introduction to both W3C's Resource Description Framework (RDF) and Jena, a Java API for RDF. It is written for the programmer [...]
Structured Data with Schema.org Codelab
This tutorial shows how to take a simple web page that contains a codelab and enhance it so that it contains structured data. It uses [...]
Simple SPARQL Tutorial: Using SUM and AVG
Building on the previous tutorial in the series and its discussion of the COUNT keyword, this tutorial explains several other mathematical functions of SPARQL queries. [...]
A Complete Example of How to Link Data, Part 2
This video picks up where the introductory video left off, covering the first two steps in the Linked Data Pipeline. Google Refine is used to [...]