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Demonstrates a working knowledge of the forms and uses of SPARQL result sets (SELECT, CONSTRUCT, DESCRIBE, and ASK).

SPARQL and Linked Data Homework Exercises

This document contains several "written" and "electronic" homework questions originally from the course "Semantic Web Topics" at LeHigh University. They include: Write a series of [...]

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By |January 20th, 2017|Comments Off on SPARQL and Linked Data Homework Exercises

Ordnance Survey Linked Data: Combining Postcode and Spatial Queries

Building on previous blog posts, the author shows how to query and combine data from two different datasets. Although the datasets were published by the [...]

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By |January 15th, 2017|Comments Off on Ordnance Survey Linked Data: Combining Postcode and Spatial Queries

Ordnance Survey Linked Data: A Simple Postcode Query

This blog post shares give some simple examples of what can be done with the Code-Point(R) Open dataset, available as Linked Open Data (LOD). This [...]

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By |January 15th, 2017|Comments Off on Ordnance Survey Linked Data: A Simple Postcode Query

Ordnance Survey Linked Data: Simple SPARQL Example

This blog post shares how to retrieve several variables of data from the Ordnance Survey dataset, available as Linked Open Data (LOD). Includes SPARQL queries [...]

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By |January 15th, 2017|Comments Off on Ordnance Survey Linked Data: Simple SPARQL Example

Pulling SKOS "prefLabel" and "altLabel" Values Out of DBpedia

In this blog post, the author proposes that DBpedia may be the best source of reusable URIs when one is seeking to describe entities in [...]

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By |January 9th, 2017|Comments Off on Pulling SKOS "prefLabel" and "altLabel" Values Out of DBpedia

SPARQL: Using DESCRIBE and CONSTRUCT Tutorial and Quiz

This slide tutorial focuses on using DESCRIBE and CONSTRUCT in SPARQL queries, but also includes other basic operators. Several examples are provided which include the [...]

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By |November 23rd, 2016|Comments Off on SPARQL: Using DESCRIBE and CONSTRUCT Tutorial and Quiz

SPARQL: Using SELECT Tutorial and Quiz

This slide tutorial focuses on using SELECT in SPARQL queries, but also includes other basic operators. Several examples are provided which include the RDF data [...]

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By |November 23rd, 2016|Comments Off on SPARQL: Using SELECT Tutorial and Quiz

SPARQL: Using ASK Tutorial and Quiz

This slide tutorial focuses on using ASK in SPARQL queries, but also includes other basic operators. Several examples are provided which include the RDF data [...]

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By |November 23rd, 2016|Comments Off on SPARQL: Using ASK Tutorial and Quiz

Rich Export SPARQL Queries

The VIVO "rich export" functionality was developed by Stella Mitchell to provide a means of executing one or more pre-defined queries via a URL within [...]

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By |October 31st, 2016|Comments Off on Rich Export SPARQL Queries

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 [...]

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By |October 22nd, 2016|Comments Off on Introduction and Application Scenarios