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Querying RDF data

Semantic Web Topics: Term Project

This document outlines a final project originally from the course "Semantic Web Topics" at LeHigh University. Students are asked to extend, create, or apply one [...]

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By |January 20th, 2017|Comments Off on Semantic Web Topics: Term Project

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

Wikidata and Authority Control

This video discuss Wikidata's pivotal role in bolstering authority control in Wikipedia through automated interactions with VIAF and other international authority files. Also includes a [...]

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By |January 16th, 2017|Comments Off on Wikidata and Authority Control

An Introduction to Wikidata

Describes Wikidata, a "free and open knowledge base" which houses the data formerly located at Google's Freebase. Discusses how Wikidata is well-placed to solve data [...]

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By |January 16th, 2017|Comments Off on An Introduction to Wikidata

SPARQL Endpoint Probe Service

This is a PHP-based tool for probing statistics about SPARQL endpoints. These include: number of triples stored, number of triples in named graphs, number of [...]

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By |January 16th, 2017|Comments Off on SPARQL Endpoint Probe Service

Putting SPARQL on the Map with Ordnance Survey Linked Data and OS OpenSpace

In this blog post, the author describes how to plot SPARQL query results from the Ordnance Survey dataset, available as Linked Open data (LOD) onto [...]

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By |January 15th, 2017|Comments Off on Putting SPARQL on the Map with Ordnance Survey Linked Data and OS OpenSpace

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

Ordnance Survey: SPARQL Endpoint

In this blog post, the author draws attention to an interesting feature of some SPARQL endpoints. When a query is entered, the full HTTP GET [...]

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By |January 15th, 2017|Comments Off on Ordnance Survey: SPARQL Endpoint