RDQLPlus is a tool for querying RDF graphs, featuring
graphical results in a zoomable user interface (ZUI). It can
work with existing RDF files, Jena2 RDF databases, and a
native Java database called Mckoi.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.