Wikidata SPARQL Query Tutorial
This video presentation demonstrates how to construct SPARQL queries simply and easily using the Wikidata Query Service. It works through an example of searching for [...]
The Difference Between URLs and URIs
In this blog post, the author succinctly explains the difference between two terms that are often used interchangeably, but are actually different ways to identify [...]
Five Star Open Data
This webpage looks at Tim Berners-Lee's graduated deployment scheme for Open Data, giving examples for each step and explaining the costs and benefits that come [...]
What Is Ontology? Introduction to the Word and the Concept
This video explains the many different meanings of the word "ontology". It begins by discussing the terms origins and use in philosophy, then moves on [...]
URL vs URI vs URN: The Science Behind The Terms
This blog post briefly explains the difference between three types of resource identifiers: the Uniform Resource Locator (URL), the Uniform Resource Identifier (URI), and the [...]
Is Your Linked Data Vocabulary 5-Star?
This blog post argues that is is not enough just to publish one's Linked Data datasets according to a set of best practices, it is [...]
Permanent Identifiers and Vocabulary Publication: purl.org and w3id
This blog post addresses concerns with the stability of purl for hosting permanent URIs. As a possible alternative, the author presents w3id.org, an effort launched [...]
Towards a Human Readable Maintainable Ontology Documentation
Ontology documentation is critical to support reuse, as it provides an overview of the terms of the ontology with examples, diagrams and their definitions. In [...]
Make Your Thesaurus Smart
This video explains how Linked Open Data (LOD) concepts can be used in conjunction with your thesaurus to create dynamic web pages, offer relevant content [...]
Expressing Dublin Core Metadata Using RDF
This document provides recommendations for expressing Dublin Core metadata using RDF, the Resource Description Framework. It describes how the features of the DCMI Abstract Model [...]