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Uses common entailment regimes and understands their uses.

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)

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, [...]

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By |September 15th, 2015|Comments Off on Towards Reconciling SPARQL and Certain Answers

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

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