Jeremy J. Carroll; Chris Bizer; Pat Hayes; Patrick Stickler. <a href="http://sites.wiwiss.fu-berlin.de/suhl/bizer/SWTSGuide/carroll-ISWC2004.pdf"><cite>Named Graphs, Provenance and Trust</cite></a>, The Semantic Web — ISWC2004, Yokohama, Springer–Verlag, 2005. URL: <a href='http://sites.wiwiss.fu-berlin.de/suhl/bizer/SWTSGuide/carroll-ISWC2004.pdf'>http://sites.wiwiss.fu-berlin.de/suhl/bizer/SWTSGuide/carroll-ISWC2004.pdf</a>.