There are several solutions out there, but basically every one is using the same approach: create layer on top of your source to let you query at high level create a front end layer to talk with the level explained above use the visualization tool you want As miro marchi pointed, there are several solutions … Read more
By far the best RDF linked open data visualization tool that I’ve come across is LodLive: http://en.lodlive.it/ It knows of numerous SPARQL endpoints, including DBpedia. I’ve previously implemented a web based RDF authoring tool that hooks into it: https://github.com/robstewart57/discover-me-semantically .
As a visualizer plays a song file, it reads the audio data in very short time slices (usually less than 20 milliseconds). The visualizer does a Fourier transform on each slice, extracting the frequency components, and updates the visual display using the frequency information. How the visual display is updated in response to the frequency … Read more