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 [...]
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 [...]
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 [...]
Towards Reconciling SPARQL and Certain Answers
SPARQL entailment regimes are strongly influenced by the big body of works on ontology-based query answering, notably in the area of Description Logics (DLs). However, [...]
Querying Semantic Data
After this tutorial, you should be able to: Build your own basic SPARQL queries, step-by-step; Understand that SPARQL is not just a query language, it [...]
Usage of Linked Data: Introduction and Application Scenarios
This slide presentation introduces the main principles of Linked Data, as well as underlying technologies and background standards. It provides basic knowledge for how data [...]
RDF – Connecting Software and People
A short introduction to Semantic Web standards for people with some software engineering background. Using the example of the "Mythical Man Month", this talk describes [...]
Linked Open Data and Cultural Heritage
This talk provides an overview of principles and methods of Linked Open Data (LOD) and discusses advantages as well as challenges of adopting a Linked [...]
Building Linked Data Applications
This slide presentation gives details on technologies and approaches for exploiting Linked Data by building Linked Data applications. It gives an overview of existing applications [...]
Challenges with Linked Data in Libraries
This talk addresses the obstacles that libraries will have to overcome in order to integrate library data into the Semantic Web reap the benefits of [...]