Reads and understands high-level descriptions of the classes and properties of a dataset in order to write queries.
Querying Biomedical Linked Data with Natural Language Questions
Recent and intensive research in the biomedical area has led to the accumulation and dissemination of biomedical knowledge through various knowledge bases increasingly available on [...]
Mapping Keywords to Linked Data Resources for Automatic Query Expansion
Linked Data usage is still heavily dependent on 1) the familiarity of end users with the RDF data model and its query language, SPARQL, and [...]
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 [...]
DBpedia: Visualising Linked Data – Graph of Members of Punk Rock Bands
Using DBpedia, Google Refine, R, and Gephi to play with Linked Data. This tutorial uses data from DBpedia with the aforementioned tools to create visualizations [...]
Using DBPedia
A brief video on DBPedia and SPARQL. Demonstrates how to query DBPedia for useful/interesting questions. Shows not just how to construct SPARQL queries, but also [...]
DBpedia Semantic Search with "Explore&Query" by Vinge Free
Demonstration of "Explore&Query", a new visual search method for the Semantic Web. The presenter builds an advanced SPARQL query- without writing any code- that uses [...]
Never Write SPARQL Again – Build your Queries Visually
A demonstration of Gruff, a freely available graphical triple-store browser that attempts to make data retrieval more pleasant and powerful with a variety of tools [...]
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. [...]
Retrieving And Using SKOS Taxonomy Data and More from DBpedia
This slide presentation was originally given at Taxonomy Boot Camp 2014. The author briefly explains what SKOS is and demonstrates how to use its properties [...]