Understands how components of the RDF data model (datasets, graphs, statements, and various types of node) are expressed in the RDF library of a given programming language by constructs such as object-oriented classes.
Simple Example of Manipulating Graph Data Using SPARQL Update
The author of this post was unable to find many good examples of the basic actions required to manipulate graphs using SPARQL, so he pieced [...]
ELITE: An Entailment-based Federated Query Engine for Complete and Transparent Semantic Data Integration
In recent years, the core of the Semantic Web has evolved to a conceptual layer built by a set of ontologies mapped onto data distributed [...]
Semantic Python: Mastering Linked Data with Python
Python offers a very powerful and easy to use library to work with Linked Data: rdflib. RDFLib is a lightweight and functionally complete RDF library, [...]
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 [...]
Build a Small Knowledge Graph: Managing Graph Data With Cayley
Building on the previous video in the series, this video introduces the user to graph processing using Cayley, an open source graph database written in [...]
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 [...]
How-to Guide for Creating a Linked Data Site
The author attempts to walk the reader through the process of creating what he considers to be a Linked Data site. He assumes that the [...]
Apache Jena Tutorial: Write Models in Different Formats with Jena (RDF,TURTLE,JSON)
This tutorial shows how to retrieve previously loaded data, which was written in RDF/XML format, and load it into a Jena object called a "model". [...]
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, [...]
Publish your SKOS Vocabulary with Skosmos
This slide presentation explains how to put a thesaurus (or any other type of KOS) on the Semantic Web. Focus is on the use of [...]