Category Archives: Semantic Web


Most of us around RDF and the Semantic Web have by now probably heard the news about Talis; if not, see Leigh Dodds’ blog post. Talis are shutting down their general activities around Semantic Web and Linked Data, including the Kasabi data marketplace. Failures are usually complex and Twitter is already abuzz with punditry, speculation [...]

Dilbert schematics

How can we package, manage, mix and merge graph datasets that come from different contexts, without getting our data into a terrible mess? During the last W3C RDF Working Group meeting, we were discussing approaches to packaging up ‘graphs’ of data into useful chunks that can be organized and combined. A related question, one always [...]

Linked Literature, Linked TV – Everything Looks like a Graph

Ben Fry in ‘Visualizing Data‘: Graphs can be a powerful way to represent relationships between data, but they are also a very abstract concept, which means that they run the danger of meaning something only to the creator of the graph. Often, simply showing the structure of the data says very little about what it actually [...]

Querying Linked GeoData with R SPARQL client

Assuming you already have the R statistics toolkit installed, this should be easy. Install Willem van Hage‘s R SPARQL client. I followed the instructions and it worked, although I had to also install the XML library, which was compiled and installed when I typed install.packages(“XML“, repos = ““) ‘ within the R interpreter. Yesterday I set [...]

Video Linking: Archives and Encyclopedias

This is a quick visual teaser for some work I’m doing with NoTube colleagues, and a collaboration with Kingsley Idehen on navigating it. In NoTube we are trying to match people and TV content by using rich linked data representations of both. I love and with their help have crawled an experimental subset [...]