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Understands how to combine and filter graph patterns using operators such as UNION, OPTIONAL, FILTER, and MINUS.

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

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 [...]

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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 [...]

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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 [...]

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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 [...]

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

DBPedia SPARQL Endpoint Exercises

This slide tutorial teaches the user how to form SPARQL queries to answer various questions of interest and retrieve results from DBpedia's SPARQL endpoint. In [...]

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By |November 23rd, 2016|Comments Off on DBPedia SPARQL Endpoint Exercises

Querying Linked Data Quiz

Ten multiple choice questions that are intended to test one's knowledge after reading and viewing the materials in Module 2: Querying Linked Data (http://www.euclid-project.eu/modules/course2).URL: http://www.euclid-project.eu/content/chapter-2-quiz.htmlKeywords: [...]

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By |October 20th, 2016|Comments Off on Querying Linked Data Quiz