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, [...]
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 [...]
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 [...]
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 [...]
Semantic Modeling
After this tutorial, you should be able to: 1) Compare and contrast the properties of the various data modeling types and their typical scope; 2) [...]
SKOS for Classification Systems
These slides present challenges and best-practice recommendations for expressing classification systems using SKOS. Topics discussed include: nesting, index terms, and class-topic relationships.URL: http://www.slideshare.net/mzeng/skos-for-classification-systems?related=1Keywords: Simple Knowledge [...]
Learn SPARQL
This set of lessons is an introduction to SPARQL, the Semantic Web query language. The lessons begin with a basic SPARQL tutorial for beginners before [...]
Linked Data, Life Sciences, and RDF Stores – Exploration and Demonstration
There is an explosion of linked RDF datasets in the life sciences domain. In practice, the exploration of these data sources is far from trivial. [...]
An Introduction to RDF Schema
This slide presentation discusses RDF Schema, including classes, sub-classes, and instances. Concepts such as domain and range, datatypes and literals, labels and comments are also [...]
Linked Archival Metadata: A Guidebook (Version 0.99)
Linked Archival Metadata: A Guidebook provides archivists with an overview of the Linked Data landscape. It begins by defining basic concepts, such as the RDF [...]