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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 [...]

By |May 5th, 2018|Comments Off on 0 to 60 on SPARQL Queries in 50 Minutes

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 [...]

By |August 19th, 2017|Comments Off on Swagger, the API Economy, REST, Linked Data, and a Semantic Web

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 [...]

By |August 13th, 2017|Comments Off on Don’t Use a Hammer to Screw in a Nail: Alternatives to REGEX in SPARQL

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 "=" [...]

By |August 13th, 2017|Comments Off on Equality and Inequality in SPARQL

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. [...]

By |August 6th, 2017|Comments Off on Maximising (Re)Usability of Library Metadata Using Linked Data

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 [...]

By |August 6th, 2017|Comments Off on SKOS and Linked Data

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 [...]

By |August 6th, 2017|Comments Off on SPARQL Package for R: Movie Star Graph Visualization Tutorial

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 [...]

By |August 6th, 2017|Comments Off on Using the SPARQL Package in R to Handle Spatial Linked Data: Part II

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 [...]

By |August 6th, 2017|Comments Off on Using the SPARQL Package in R to Handle Spatial Linked Data: Part I

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 [...]

By |August 6th, 2017|Comments Off on SPARQL Package for R: Linked Open Piracy Tutorial