0 to 60 on SPARQL Queries in 50 Minutes
This webinar provides an introduction to SPARQL, a query language for RDF. Users will gain hands on experience crafting queries, starting simply, but evolving in [...]
Swagger, the API Economy, REST, Linked Data, and a Semantic Web
In this blog post, the author presents the following situation analysis: The network commonly referred to as the World Wide Web (“Web”) is built upon [...]
Don’t Use a Hammer to Screw in a Nail: Alternatives to REGEX in SPARQL
This brief blog post explains that regular expressions are expensive to evaluate regardless of what language you are using them in. The author suggests that [...]
Equality and Inequality in SPARQL
This brief blog post discusses issues surrounding expression semantics in SPARQL. Practices that people are used to from other languages (like the use of "=" [...]
Maximising (Re)Usability of Library Metadata Using Linked Data
In this video, the speaker explores challenges related to the re-usability of library linked metadata in the field of cultural heritage- and for other purposes. [...]
SKOS and Linked Data
This slideshare presentation introduces SKOS and explains how it can be used to represent RDF in a simple way. It explains how SKOS differs from [...]
SPARQL Package for R: Movie Star Graph Visualization Tutorial
The SPARQL Package allows you to directly import results of SPARQL SELECT queries into the statistical environment of R as a data frame, allowing one [...]
Using the SPARQL Package in R to Handle Spatial Linked Data: Part II
Continuing where Part I left off, this tutorial shows how to access Spatial and Temporal Data about the complex environmental system of the Brazilian Amazon [...]
Using the SPARQL Package in R to Handle Spatial Linked Data: Part I
As a solution to bridge two communities, those of statistical computing and the Semantic Web, there is now the SPARQL Package for R, which enables [...]
SPARQL Package for R: Linked Open Piracy Tutorial
This tutorial shows how to do a visual analysis and basic statistical analysis of the data in the Linked Open Piracy data set. It makes [...]