Uses available tools, servers, and endpoints to issue queries against a dataset.
Querying Datasets on the Web with High Availability
As the Web of Data is growing at an ever increasing speed, the lack of reliable query solutions for live public data becomes apparent. SPARQL [...]
University of Southampton SPARQL endpoint
This interface implements SPARQL and SPARQL+ via HTTP Bindings. Enabled operations: select, construct, ask, describe (Max. number of results : 2000). Includes three sample queries: [...]
Watch this: Probe the Semantic Web with SPARQL
One thing that is immediately obvious from the triple pattern of SPARQL queries is that harvesting information from the Semantic Web is more complex than [...]
public-sparql-dev@w3.org Mail Archives
A public mailing list dedicated to discussing development of and with SPARQL: "Discussion of SPARQL software: building it, using it, etc.". Archived discussions about building [...]
Learning SPARQL: 2nd Edition
This book teaches how to use SPARQL 1.1, starting off with simple queries that demonstrate the language using a query-by-example approach and then taking the [...]
sparqlproxy Web Service (0.23)
This service rewrites SPARQL SELECT query results into different format, e.g. JSON (Google Visualization, Exhibit), XML, HTML, CSV. Links are given to the XSLTs used [...]
How to Install Virtuoso SPARQL endpoint
This tutorial is for installing Virtuoso Open Source Edition (VOSE) on 64bit Linux servers. For installation tutorials on other platforms, please refer to the "Downloading, [...]
Open Data Communities SPARQL endpoint
This endpoint is provided by the UK Department for Communities and Local Government as part of its Open Data Strategy- a commitment to routinely releasing [...]
SPARQL with R in less than 5 minutes
This article describes how to get up and running on the Semantic Web in less than 5 minutes using SPARQL with R. It begins with [...]
Markup Languages and Document Processing: Vocabularies and Queries
This lesson plan was used for the course "Markup Languages and Document Processing", part of the Master in Informatics and Computing Engineering program at Porto [...]