Visualization is a technique to graphically represent sets of data. When data is large or abstract, visualization can help make the data easier to read or understand. There are visualization tools for search, music, networks, online communities, and almost anything else you can think of. Whether you want a desktop application or a web-based tool, there are many specific tools are available on the web that let you visualize all kinds of data. Here are some of the best:
RDF GRAph VIsualization Tool (RDF Gravity) is a tool for visualizing directed graphs built in RDF and OWL. The tool provides a simple yet powerful visualization of RDF graph structures and the ability to filter out and visualize specific parts or fragments of RDF Graphs.