Reasoning over RDF data
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 [...]
Using SPARQL with RDFS and OWL Entailment
This chapter accompanied the lecture on SPARQL with entailment regimes given at the 7th Reasoning Web Summer School in Galway, Ireland, 2011. It first introduces [...]
On the Semantics of SPARQL Queries with Optional Matching under Entailment Regimes
This paper studies the semantics of SPARQL queries with optional matching features under entailment regimes. It argues that the normative semantics may lead to answers [...]
Web Ontology Language
A walk-through of the basic technologies underpinning OWL and the Semantic Web. Very brief and provides no exposition. May provide inspiration for the outline of [...]
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 [...]
Research Description Framework
This video is targeted for blind users- it contains no visuals, only audio. However, it contains a very thorough description of the RDF Data model, [...]
Protege: How To Create Classes And Properties
This video is about defining classes, properties, class hierarchies and property hierarchies using Protégé, a free, open-source ontology editor and framework. Although the video deals [...]
Linked Data Life Cycles, Part 3
Based on the author's experience in Linked Data publishing and consumption over the past years, he has identified involved parties and fundamental phases, which provide [...]
OWL Web Ontology Language
A slide presentation of ontology languages focusing on OWL, with information on RDF, RDF Schema, and XML as well. Discusses the three "species" of OWL- [...]
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 [...]