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Understands the role of formally declared domains and ranges for inferencing.

Concepts in RDF: Tutorial

This tutorial introduces concepts in RDF broken into three categories: 1) Fundamental (such as HTTP URIs); 2) Schema-definition concepts (useful for defining a new vocabularies); [...]

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By |November 9th, 2015|Comments Off on Concepts in RDF: Tutorial

Euclid Project: Chapter 1 Quiz

Ten multiple choice questions that are intended to test one's knowledge after reading and viewing the materials in Module 1: Introduction and Application Scenarios.URL: http://www.euclid-project.eu/content/chapter-1-quizKeywords: [...]

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By |November 6th, 2015|Comments Off on Euclid Project: Chapter 1 Quiz

Semantic Web Tutorial 11/14: RDF Schema and OWL 3/4

Follows where previous video left off with its description of classes, properties, domain and range. Discusses how RDF Schema approaches membership of a class differently [...]

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By |September 30th, 2015|Comments Off on Semantic Web Tutorial 11/14: RDF Schema and OWL 3/4

Semantic Web Tutorial 10/14: RDF Schema and OWL 2/4

Follows where previous video left off, describing how RDF Schema is itself a vocabulary and how it can be used to define new classes of [...]

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By |September 30th, 2015|Comments Off on Semantic Web Tutorial 10/14: RDF Schema and OWL 2/4

RDF Schema (RDFS)

Textual tutorial describing how RDF Schema (RDFS) extends RDF vocabulary to allow for describing taxonomies of classes and properties. RDFS also extends definitions for some [...]

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By |September 30th, 2015|Comments Off on RDF Schema (RDFS)

Ontologies and the Semantic Web

This site introduces ontologies and the Semantic Web, with an emphasis on how ontologies are defined and used for applications. There are about about thirty [...]

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By |September 15th, 2015|Comments Off on Ontologies and the Semantic Web

Answering Queries Over OWL Ontologies with SPARQL

This slide presentation discusses the various types of RDF Schema and OWL entailment regimes defined by SPARQL 1.1. It highlights where limitations and restrictions exist [...]

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By |September 15th, 2015|Comments Off on Answering Queries Over OWL Ontologies with SPARQL

Real-time RDF Extraction from Unstructured Data Streams

Most of the Web of Data is limited to a large compendium of encyclopedic knowledge describing entities. The timely and massive extraction of RDF facts [...]

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By |September 15th, 2015|Comments Off on Real-time RDF Extraction from Unstructured Data Streams

Updating RDFS ABoxes and TBoxes in SPARQL

Updates in RDF stores have recently been standardized in the SPARQL 1.1 Update specification. However, computing answers entailed by ontologies in triple stores is usually [...]

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By |September 15th, 2015|Comments Off on Updating RDFS ABoxes and TBoxes in SPARQL

Querying Linked Data

This slide presentation looks in detail at SPARQL and introduces approaches for querying and updating semantic data. It covers SPARQL algebra and protocol, and also [...]

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By |August 13th, 2015|0 Comments