Sign in or Join


Log in

­

Uses available tools, servers, and endpoints to issue queries against a dataset.

Visualising The Location Graph With Gephi and Ordnance Survey Linked Data

Building on a previous post, the author shares another example using a SPARQL endpoint to query Linked Open Data and turn the results into a [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |January 13th, 2017|Comments Off on Visualising The Location Graph With Gephi and Ordnance Survey Linked Data

Ordnance Survey Linked Data: A Simple Spatial Query

In this blog post, the author discusses the relative lack of spatial indexes for data in RDF triple stores, compared to data stored in GIS [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |January 10th, 2017|Comments Off on Ordnance Survey Linked Data: A Simple Spatial Query

Simple Protege Tutorial: Running SPARQL Queries on Both Ontologies

Building on the previous videos in the series, this final video shows how to use the Jena Fuseki Server issue SPARQL queries against two different [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |January 8th, 2017|Comments Off on Simple Protege Tutorial: Running SPARQL Queries on Both Ontologies

Simple Protege Tutorial: Running Simple SPARQL Queries

In this video, the Jena Fuseki Server is run on the computer's local host and the ontology file (previously created using the Protege tool) is [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |January 8th, 2017|Comments Off on Simple Protege Tutorial: Running Simple SPARQL Queries

Simple Protege Tutorial: Downloading and Running Jena Fuseki Server

In this video, the Jena Fuseki Server is downloaded so that it can be used to run SPARQL queries against the ontology (previously created using [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |January 8th, 2017|Comments Off on Simple Protege Tutorial: Downloading and Running Jena Fuseki Server

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 [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |December 28th, 2016|Comments Off on Wikidata SPARQL Query Tutorial

SPARQL: Using Operators Tutorial and Quiz

This slide tutorial focuses on using various operators in SPARQL queries. Several examples are provided which include the RDF data being queried, the SPARQL query [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |November 23rd, 2016|Comments Off on SPARQL: Using Operators Tutorial and Quiz

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 [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |November 23rd, 2016|Comments Off on SPARQL: Using DESCRIBE and CONSTRUCT 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 [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |November 23rd, 2016|Comments Off on SPARQL: Using ASK 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 [...]

1 Star2 Stars3 Stars4 Stars5 Stars (Please share your rating)
Loading...
By |November 23rd, 2016|Comments Off on SPARQL: Using SELECT Tutorial and Quiz