Replacing old version of comp index.
Deciphering the Semantic Web
What is the Semantic Web? Technology Voice interviewed some leading Semantic Web researchers with both academic and industrial experience to find out what it is, [...]
Simple SPARQL Tutorial: Assigning Values, String Functions .. more on Subqueries
Building on previous tutorials in the series, this tutorial quickly reviews how to bind properties to variables, then moves on to showing how string functions [...]
Simple SPARQL Tutorial: Querying a SPARQL Service
Building on the previous tutorial, which showed how to query a remote dataset using the FROM keyword, this tutorial shows how to query a SPARQL [...]
W3C RDF Validation Service
This free service allows you to check and visualize your RDF documents. By entering a URI or pasting an RDF/XML document into the text field, [...]
Google Refine 2.0 – Data Augmentation
This tutorial shows how to use Google Refine (now Open Refine) to add value to your dataset by accessing other datasets. Examples use Open Street [...]
Simple SPARQL Tutorial: Using the UNION Keyword
Tutorial showing how to modify a query to combine the results of two separate graph patterns (or conditions) using the UNION keyword. The topic is [...]
Using Taxonomies with a Semantic Graph Database
This is a PDF version of a presentation originally given at Taxonomy Boot Camp 2014. It contains a practical example of how to use taxonomies [...]
Freebase: An Open, Writable Database of the World's Information
Freebase was an open database of the world's information, built by a global community and free for anyone to query, contribute to, and use as [...]
Simple SPARQL Tutorial: Easy to Read SPARQL Query Results
The creator of this video attempts to show us how to "think" in SPARQL by breaking down the results of one simple query and explaining [...]
Simple SPARQL Tutorial: Using SUM and AVG
Building on the previous tutorial in the series and its discussion of the COUNT keyword, this tutorial explains several other mathematical functions of SPARQL queries. [...]