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Understands the use of SPARQL functions and operators.

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

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. [...]

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By |January 13th, 2017|Comments Off on All Roads Lead To? Experiments With Gephi, Linked Data and Wikipedia

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

Foundations of RDF Databases

This older presentation presents the argument that the RDF data model can be viewed as an extension of the traditional database model, rather than as [...]

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By |March 9th, 2016|Comments Off on Foundations of RDF Databases

Toward the Web of Functions: Interoperable High-Order Functions in SPARQL

This video addresses the problem needing to know the specific URI of any third-party custom SPARQL function in order for the computation to be executed [...]

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By |January 16th, 2016|Comments Off on Toward the Web of Functions: Interoperable High-Order Functions in SPARQL

SPARQL Queries for Publications and Authors

This page contains SPARQL queries useful for finding information on authors and publications on VIVO. These query examples, if adapted, have other useful applications as [...]

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By |January 16th, 2016|Comments Off on SPARQL Queries for Publications and Authors

Learning SPARQL: 2nd Edition – Sample data, queries, scripts, and output

These sample queries and output were originally published as teaching tools intended to complement Learning SPARQL: 2nd Edition by Bob DuCharme. The preface of the [...]

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By |January 16th, 2016|Comments Off on Learning SPARQL: 2nd Edition – Sample data, queries, scripts, and output

Querying the Linked Archives Hub data using SPARQL

This blog post provides a few sample SPARQL queries that can be used as a starting point for exploring an unfamiliar dataset. The queries are [...]

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By |January 16th, 2016|Comments Off on Querying the Linked Archives Hub data using SPARQL

SPARQL Examples for the DCMI/ASIS&T Webinar

These gits were created to demonstrate the SPARQL examples used in the DCMI/ASIS&T webinar, "From 0 to 60 on SPARQL queries in 50 minutes". Each [...]

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By |January 16th, 2016|Comments Off on SPARQL Examples for the DCMI/ASIS&T Webinar

XQuery/SPARQL Tutorial

This page shows how to access a SPARQL endpoint using an interface provided by Talis. Potentially more valuable, it also provides several dozen example queries, [...]

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By |January 16th, 2016|Comments Off on XQuery/SPARQL Tutorial