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Understands the principles and practice of inferencing.

Foundations of Semantic Web Technologies: SPARQL Entailment Regimes

Slides covering the following topics: SPARQL can now be used with RDF Schema, OWL, and RIF semantics. Entailment Regimes overwrite evaluation of basic graph patterns. [...]

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By |September 15th, 2015|Comments Off on Foundations of Semantic Web Technologies: SPARQL Entailment Regimes

Schema-Agnostic Query Rewriting in SPARQL 1.1

SPARQL 1.1 supports the use of ontologies to enrich query results with logical entailments, and OWL 2 provides a dedicated fragment OWL QL for this [...]

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By |September 15th, 2015|Comments Off on Schema-Agnostic Query Rewriting in SPARQL 1.1

SPARQL 1.1 Entailment Regimes

There are different possible ways of defining a basic graph pattern matching extension for an entailment relation. This document specifies one such way for a [...]

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By |September 15th, 2015|Comments Off on SPARQL 1.1 Entailment Regimes

SPARQL Query Containment under RDFS Entailment Regime

This research paper addresses the problem of SPARQL query containment, which is defined as determining if the result of one query is included in the [...]

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By |September 15th, 2015|Comments Off on SPARQL Query Containment under RDFS Entailment Regime

Answering SPARQL Queries over Databases under OWL 2 QL Entailment Regime

This paper presents an extension of the ontology-based data access platform Ontop that supports answering SPARQL queries under the OWL 2 QL direct semantics entailment [...]

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By |September 15th, 2015|Comments Off on Answering SPARQL Queries over Databases under OWL 2 QL Entailment Regime

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

The Rise of Graph Databases/Dataspaces and Their Relations with Linked Data and Ontologies

This talk was presented at the Laboratory of Information Systems' Institute of Computing UNICAMP in December, 2013. It discusses several research topics which should be [...]

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By |August 13th, 2015|0 Comments

Intro to OWL & Ontology

This slide presentation is an overview of OWL, including its classes, properties, and restrictions. Also includes brief coverage of how OWL relates to RDF Schema [...]

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By |August 13th, 2015|0 Comments

The Semantic Web: An Introduction

This document is designed as being a "simple but comprehensive introductory publication for anybody trying to get into the Semantic Web: from beginners through to [...]

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By |August 13th, 2015|0 Comments

Learn OWL and RDFS

This set of lessons is an introduction to OWL and an introduction to RDF Schema (RDFS). OWL and RDFS are key Semantic Web technologies that [...]

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By |August 13th, 2015|0 Comments