procedures.xsd Components to describe procedures used in observations and measurements, and other events. Copyright (c) 2005 Open Geospatial Consortium - see http://www.opengeospatial.org/about/?page=ipr Use gml:description element to describe the procedure or link to a definitive description. Abstract Head of substitution group. Procedures may be listed in a Dictionary (i.e. lightweight registry) Description of an event involving a procedure. Description of an event involving a procedure. An ordered sequence of ProcedureEvents.