Opportunities for Semantic Technologies in the NASA Heliophysics Data Environment. - Thomas W. Narock; Adam Szabo; Jan Merka (AAAI Spring Symposium: Semantic Scientific Knowledge Integration, 2008)

Navigating through SPASE to heliospheric and magnetospheric data. - Jan Merka; Thomas W. Narock; Adam Szabo (Earth Sci. Informatics, 2008)

Using semantics to extend the space physics data environment. - Thomas W. Narock; Adam Szabo; Jan Merka (Comput. Geosci., 2009)