The semantic planetary data system
J. Steven Hughes, Daniel J. Crichton, Sean C. Kelly, Chris A. Mattmann · 2005
Abstract. The Planetary Data System (PDS) data model was developed in the late 1980’s and models the entities and relationships of interest within the Planetary Science Community. It was developed to both prescribe the metadata to be collected for the planetary science data archive and to design the PDS Catalog, a high level inventory of the data holdings in the archive. This catalog, an inventory of over one thousand data sets and related entities, represents a planetary science ontology. Since the advent of the Web, most of the information on the Web has been designed for human consumption using HTML and the