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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
All Roads Lead To? Experiments With Gephi, Linked Data and Wikipedia
This blog post shares an example using the Semantic Web Import plugin (available for the Gephi visualization tool) to create a rather complex geospatial visualization. [...]