Uses available tools, servers, and endpoints to issue queries against a dataset.
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 [...]
Web-Scale Querying through Linked Data Fragments
To unlock the full potential of Linked Data sources, we need flexible ways to query them. Public SPARQL endpoints aim to fulfill that need, but [...]
FEATR: SPARQL Feature Detection
This video discusses FEATR, a tool which was developed as a practical solution for Web developers to detect the features of a SPARQL endpoint 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 [...]
SPARQL Queries on a Web 3.0 Database
Demonstrates how to load RDF and OWL knowledge bases into AllegroGraph and how queries are executed over the data with an optimized SPARQL engine. Also [...]
Linked Data Tutorial: From Document Web to a Web of Linked Data
This slide presentation explains the "Data Web" vision, including some of the preliminary standards and technologies. It also covers tools and technological building blocks developed [...]
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 [...]
Visualizing SPARQL Query Results
Learn how to visualize SPARQL query results with the Information Workbench. This screen-cam features the visualization and accessible views over data. This video was created [...]
Querying Linked Data with SPARQL
This slideset was part of the "How to Consume Linked Data" tutorial at the International Semantic Web Conference (ISWC), Oct. 2009. Predates SPARQL 1.1, so [...]