To Browse Semantic Web/Linked Data there are special Browsers which are able to extract the RDF Data or the RDFa Data from Web Pages and then to show them to the user in a special way. In addition there also Browser extension for common Web Browser that one can use to extract RDF Data that is somewhere in the HTML Web Page or access RDF Datasets it will be structured and browsed in a way that one can read it.
RDF Data to be visualized does not necessarily residue in local repository, but is distributed in the Web
Tabulator (Tim Berners-Lee, MIT-)
enables Visualization as Graph, Timeline, Map, etc. [http://ode.openlinksw.com/]
Zitgist Browser [http://browser.zitgist.com/]
DISCO Browser [http://sites.wiwiss.fu-berlin.de/suhl/bizer/ng4j/disco/]
