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Understands the concept of Federated Searches.

Linked Statistical Data Analysis

Linked Data design principles are increasingly employed to publish and consume high-fidelity, heterogeneous statistical datasets in a distributed fashion. While vast amounts of linked statistics [...]

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By |August 13th, 2017|Comments Off on Linked Statistical Data Analysis

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 [...]

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By |January 13th, 2017|Comments Off on Visualising The Location Graph With Gephi and Ordnance Survey Linked Data

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 [...]

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By |December 28th, 2016|Comments Off on Wikidata SPARQL Query Tutorial

Federating SPARQL Queries Across Government Linked Data

The author describes how to create a single SPARQL query which pulls Linked Data from two separate endpoints to answer complex questions in cases where [...]

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By |December 28th, 2016|Comments Off on Federating SPARQL Queries Across Government Linked Data

Linked Data and SPARQL Queries Tutorial

This tutorial goes through some basic SPARQL queries in order to give the user a sense of how to discover and query different Linked Data [...]

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By |December 30th, 2015|Comments Off on Linked Data and SPARQL Queries Tutorial

Linked Data Query Processing: Introduction

These slides represent the first of a five-part tutorial presentation given at the 22nd International World Wide Web Conference (WWW 2013). This introduction gives a [...]

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By |October 20th, 2015|Comments Off on Linked Data Query Processing: Introduction

Learn About SPARQL 1.1

This S5 format slideshow details the changes made to the query language in SPARQL 1.1- it is not a basic introduction to SPARQL and assumes [...]

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By |September 15th, 2015|Comments Off on Learn About SPARQL 1.1

Querying Semantic Web Data with SPARQL (and SPARQL 1.1)

This lengthy slide presentation covers SPARQL 1.1. It begins with the fundamentals: graph patterns, operators, and algebraic representations. The second half dives deeply into complex [...]

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By |September 15th, 2015|Comments Off on Querying Semantic Web Data with SPARQL (and SPARQL 1.1)

ELITE: An Entailment-based Federated Query Engine for Complete and Transparent Semantic Data Integration

In recent years, the core of the Semantic Web has evolved to a conceptual layer built by a set of ontologies mapped onto data distributed [...]

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By |September 15th, 2015|Comments Off on ELITE: An Entailment-based Federated Query Engine for Complete and Transparent Semantic Data Integration

Querying Linked Data with SPARQL

This slideset was part of the "How to Consume Linked Data" tutorial at the International Semantic Web Conference (ISWC), Oct. 2009. Predates SPARQL 1.1, so [...]

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By |August 13th, 2015|0 Comments